Phenytoin pills dosage

How should i take phenytoin

Other measures, including concomitant administration of an IV benzodiazepine such as diazepam, or an IV short-acting barbiturate, will usually be necessary for rapid control of seizures because of the required slow rate of administration of phenytoin. Hypotension does occur when the drug is administered rapidly by the intravenous route. All women of child-bearing age should talk to their healthcare provider about using other possible treatments instead of Dilantin. The cause of the interaction is not known. Phenytoin may decrease serum concentrations of T4. It may also produce lower than normal values for dexamethasone or metyrapone tests. Phenytoin may cause increased serum levels of glucose, alkaline phosphatase, and gamma glutamyl transpeptidase GGT. augmentin pills dosage

Highlights for phenytoin

Topiramate: May increase the serum concentration of Phenytoin. Phenytoin may decrease the serum concentration of Topiramate. Clarithromycin: CYP3A4 Inducers Strong may increase serum concentrations of the active metabolites of Clarithromycin. Clarithromycin may increase the serum concentration of CYP3A4 Inducers Strong. CYP3A4 Inducers Strong may decrease the serum concentration of Clarithromycin. Management: Consider alternative antimicrobial therapy for patients receiving a CYP3A inducer. Drugs that enhance the metabolism of clarithromycin into 14-hydroxyclarithromycin may alter the clinical activity of clarithromycin and may impair clarithromycin efficacy.

Phenytoin dosage

Before giving you any new medicine, how often did hospital staff tell you what the medicine was for? OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional. The liver is the chief site of biotransformation of phenytoin; patients with impaired liver function, elderly patients, or those who are gravely ill may show early signs of toxicity.

About phenytoin

ABCB1 Inducers may decrease the serum concentration of Dabigatran Etexilate. Management: Avoid concurrent use of dabigatran with p-glycoprotein inducers when possible. Serum concentrations should be monitored and care should be taken when switching a patient from the sodium salt to the free acid form. The free acid form of phenytoin is used in Dilantin-125 Suspension and Dilantin Infatabs. Dilantin extended capsules and parental Dilantin are formulated with the sodium salt of phenytoin. Because there is approximately an 8% increase in drug content with the free acid form over that of the sodium salt, dosage adjustments and serum level monitoring may be necessary when switching from a product formulated with the free acid to a product formulated with the sodium salt and vice versa.



Use of phenytoin

Soft tissue irritation and inflammation has occurred at the site of injection with and without extravasation of intravenous phenytoin. Soft tissue irritation may vary from slight tenderness to extensive necrosis, sloughing, and in rare instances has led to amputation. Improper administration including subcutaneous or perivascular injection should be avoided to help prevent the possibility of the above. QuiNIDine: Phenytoin may decrease the serum concentration of QuiNIDine. This may not be a complete list of all interactions that may occur. Ask your health care provider if phenytoin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine. The patient should be advised that, because these signs and symptoms may signal a serious reaction, they should report any occurrence immediately to a physician even if mild or when occurring after extended use. Nappi JM. Warfarin and phenytoin interaction. Antiepileptic drugs AEDs including phenytoin, increase the risk of suicidal thoughts or behavior in patients taking these drugs for any indication. Acute alcoholic intake may increase phenytoin serum levels while chronic alcohol use may decrease serum levels. It is therefore suggested that phenytoin not be administered concomitantly with an enteral feeding preparation. More frequent serum phenytoin level monitoring may be necessary in these patients. Phenytoin passes into breast milk. Consult your doctor before breast-feeding. Your healthcare provider may change your dose if needed. Do not change your dose of Dilantin without talking to your healthcare provider. Special Senses: Altered taste sensation including metallic taste. Store at room temperature away from moisture, light, and heat. What happens if I miss a dose? Phenytoin may cause fetal harm when administered to a pregnant woman. This should not be used if you have certain medical conditions. If any of these effects persist or worsen, tell your doctor or promptly.



What conditions does phenytoin treat

Ixazomib: CYP3A4 Inducers Strong may decrease the serum concentration of Ixazomib. If administration of Phenytoin Sodium Injection does not terminate seizures, the use of other anticonvulsants, intravenous barbiturates, general anesthesia and other appropriate measures should be considered. Phenytoin crosses the placenta Harden and Pennell 2009. An increased risk of congenital malformations and adverse outcomes may occur following in utero phenytoin exposure. What does phenytoin sodium extended oral look like? Molindone Hydrochloride contains calcium ions which interfere with the absorption of phenytoin. Ingestion times of phenytoin and antacid preparations containing calcium should be staggered in patients with low serum phenytoin levels to prevent absorption problems. 3. Drugs which may either increase or decrease phenytoin serum levels include: Phenobarbital, valproic acid and sodium valproate. Similarly, the effect of phenytoin on phenobarbital, valproic acid and sodium valproate serum levels is unpredictable. 4. Although not a true drug interaction, tricyclic antidepressants may precipitate seizures in susceptible patients and phenytoin dosage may need to be adjusted. 5. Drugs whose efficacy is impaired by phenytoin include: Corticosteroids, coumarin anticoagulants, oral contraceptives, quinidine, vitamin D, digitoxin, rifampin, doxycycline, estrogens, furosemide. Seizure control is very important during pregnancy. Do not start or stop taking this medicine without your doctor's advice if you are pregnant. Phenytoin may cause harm to an unborn baby, but having a seizure during pregnancy could harm both mother and baby. Tell your doctor right away if you become pregnant while taking this medicine. Store phenytoin suspension at room temperature, between 68 and 77 degrees F 20 and 25 degrees C. Do not freeze. Store away from heat, moisture, and light. Do not store in the bathroom. Keep phenytoin suspension out of the reach of children and away from pets. If you are pregnant, DO NOT START TAKING phenytoin unless your doctor tells you to. If you become pregnant while taking phenytoin, DO NOT STOP TAKING the medicine without your doctor's advice. Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use phenytoin for a condition for which it was not prescribed. Do not give phenytoin to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or healthcare provider for information about phenytoin that is written for health professionals. If you take a calcium product eg, certain antacids colesevelam, or molindone, ask your doctor or pharmacist how to take it with phenytoin suspension. Delamanid: CYP3A4 Inducers Strong may decrease the serum concentration of Delamanid. metoprolol



Phenytoin brand names

It is not an antidote to acyclovir. What are the possible side effects of Dilantin? You may or may not have a rash with these types of reactions. IM dose is increased by 50 percent over the previously established oral dose. To avoid drug cumulation due to absorption from the muscle depots, it is recommended that for the first week back on oral phenytoin, the dose be reduced to half of the original oral dose one third of the IM dose. Experience for periods greater than one week is lacking and blood level monitoring is recommended. For administration of phenytoin in patients who cannot take oral medication for periods greater than a week, gastric intubation may be considered. Phenytoin suspension comes with an extra patient information sheet called a Medication Guide. Read it carefully. Read it again each time you get phenytoin suspension refilled. Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Women who take phenytoin may experience an increase in seizure activity if they become pregnant. Discuss any questions or concerns with your doctor. If you think you may be pregnant, contact your doctor. asok.info prandin



Phenytoin ingredients

F; see USP controlled room temperature. Have had an allergic reaction to CEREBYX fosphenytoin PEGANONE ethotoin or MESANTOIN mephenytoin. Methadone: Phenytoin may decrease the serum concentration of Methadone. When a change in the dosage form or brand is prescribed, careful monitoring of phenytoin serum levels should be carried out. Therefore, it is very important that you follow the package instructions to find the first tablet, start with the first tablet in the pack, and take them in the correct order. Do not skip any doses. is more likely if you miss pills, start a new pack late, or take your pill at a different time of the day than usual. Do not take these products at the same time as your phenytoin dose. Separate liquid nutritional products at least 1 hour before and 1 hour after your phenytoin dose, or as directed by your doctor. CAPSULES. If you would like more information, talk with your healthcare provider. Patients should be encouraged to enroll in the North American Antiepileptic Drug NAAED Pregnancy Registry if they become pregnant. This registry is collecting information about the safety of antiepileptic drugs during pregnancy. In all cases of lymphadenopathy, follow-up observation for an extended period is indicated and every effort should be made to achieve seizure control using alternative antiepileptic drugs. Levine M, Sheppard I. Biphasic interaction of phenytoin with warfarin. Ivacaftor: CYP3A4 Inducers Strong may decrease the serum concentration of Ivacaftor. Clindamycin Systemic: CYP3A4 Inducers Strong may decrease the serum concentration of Clindamycin Systemic. Refer to the specific clindamycin systemic - rifampin drug interaction monograph for information concerning that combination. topiramate drop



What happens if I overdose Dilantin?

What is Dilantin toxicity? Stopping a seizure medicine suddenly can cause you to have seizures more often or seizures that will not stop status epilepticus. Hypotension and severe cardiac arrhythmias eg, heart block, ventricular tachycardia, ventricular fibrillation may occur with rapid administration; adverse cardiac events have been reported at or below the recommended infusion rate. Cardiac monitoring is necessary during and after administration of intravenous phenytoin; reduction in rate of administration or discontinuation of infusion may be necessary. For nonemergency use, intravenous phenytoin should be administered more slowly; the use of oral phenytoin should be used whenever possible. Eliglustat: CYP3A4 Inducers Strong may decrease the serum concentration of Eliglustat. Phenytoin can speed up the removal of other medications from your body, which may affect how they work. You may need to stop this medication for a time or take special precautions. Avoid drinking alcohol while you are taking phenytoin. Alcohol use can increase your blood levels of phenytoin and may increase side effects. Daily alcohol use can decrease your blood levels of phenytoin, which can increase your risk of seizures. You may report side effects to FDA at 1- 800-FDA-1088. Swallow the tablet whole or chew it thoroughly before being swallowed together with a glass of water. The reports suggesting a higher incidence of birth defects in children of drug-treated epileptic women cannot be regarded as adequate to prove a definite cause and effect relationship. There are intrinsic methodologic problems in obtaining adequate data on drug teratogenicity in humans; genetic factors or the epileptic condition itself may be more important than drug therapy in leading to birth defects. The great majority of mothers on antiepileptic medication deliver normal infants. It is important to note that antiepileptic drugs should not be discontinued in patients in whom the drug is administered to prevent major seizures, because of the strong possibility of precipitating status epilepticus with attendant hypoxia and threat to life. In individual cases where the severity and frequency of the seizure disorder are such that the removal of medication does not pose a serious threat to the patient, discontinuation of the drug may be considered prior to and during pregnancy, although it cannot be said with any confidence that even minor seizures do not pose some hazard to the developing embryo or fetus. The prescribing physician will wish to weigh these considerations in treating or counseling epileptic women of childbearing potential. Check with your doctor before you drink alcohol while you are taking phenytoin. Alcohol may increase or decrease the amount of medicine in your blood. Phenytoin can cause a type of serious allergic reaction that may affect different parts of the body such as your liver, kidneys, blood, heart, skin or other parts of your body. These can be very serious and cause death. Tell your doctor if this medicine does not seem to work as well in treating your condition. Lopinavir: Phenytoin may decrease the serum concentration of Lopinavir. Lopinavir may decrease the serum concentration of Phenytoin. Most important. A change in your diet, medicine, or dosage is likely to be necessary. Promptly consult your doctor or pharmacist. Withdrawal: Anticonvulsants should not be discontinued abruptly because of the possibility of increasing seizure frequency; therapy should be withdrawn gradually to minimize the potential of increased seizure frequency, unless safety concerns require a more rapid withdrawal. store omeprazole work



Phenytoin side effects

Ivabradine: CYP3A4 Inducers Strong may decrease the serum concentration of Ivabradine. MetyroSINE: CNS Depressants may enhance the sedative effect of MetyroSINE. Long-term treatment with phenytoin suspension may cause low blood vitamin D levels. This may increase the risk of low blood calcium or phosphate levels. It may also increase the risk of bone softening, weak bones, or other bone problems eg, fractures. Discuss any questions or concerns with your doctor. Thyroid Products: Phenytoin may decrease the serum concentration of Thyroid Products. Phenytoin may also displace thyroid hormones from protein binding sites. The addition of Phenytoin Sodium Injection to intravenous infusion is not recommended due to the lack of solubility and resultant precipitation. Chlormethiazole: May enhance the CNS depressant effect of CNS Depressants. Management: Monitor closely for evidence of excessive CNS depression. The chlormethiazole labeling states that an appropriately reduced dose should be used if such a combination must be used. QuiNINE: Phenytoin may decrease the serum concentration of QuiNINE. Bazedoxifene: Phenytoin may decrease the serum concentration of Bazedoxifene. This may lead to loss of efficacy or, if bazedoxifene is combined with estrogen therapy, an increased risk of endometrial hyperplasia. Phenytoin can make birth control pills less effective. To prevent pregnancy while you are taking phenytoin, use a non-hormonal form of birth control such as a condom or diaphragm with spermicide. Phenytoin may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking phenytoin. Sukul, A. Potentized Mercuric chloride and Nux vomica facilitate water permeability in erythrocytes of a fresh-water catfish Clarius batrachus under acute ethanol intoxication. J Altern. The adequacy of the respiratory and circulatory systems should be carefully observed and appropriate supportive measures employed. Hemodialysis can be considered since phenytoin is not completely bound to plasma proteins. Total exchange transfusion has been used in the treatment of severe intoxication in pediatric patients. Check with your doctor immediately if you notice any unusual bleeding or bruising, black, tarry stools, blood in the urine or stools, or pinpoint red spots on your skin.



Phenytoin adult dosage

Tapentadol: May enhance the CNS depressant effect of CNS Depressants. Management: Avoid concomitant use of tapentadol and benzodiazepines or other CNS depressants when possible. These agents should only be combined if alternative treatment options are inadequate. If combined, limit the dosages and duration of each drug. Will the groundprog be frightened by its own shadow and hide - or will there be another season of insane protests? This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. PDT I meant to give this 4 stars for a rating. Please change it from two. Different phenytoin products are absorbed by the body in different ways and cannot be substituted for one another. If you need to switch from one phenytoin product to another, your doctor may need to adjust your dose. Each time you receive your medication, check to be sure that you have received the phenytoin product that was prescribed for you. Ask your pharmacist if you are not sure that you received the right medication. The tablets may be chewed thoroughly before swallowing or swallowed whole. In one case report, maternal phenytoin dosage requirements decreased as breastfeeding was discontinued. Coarsening of the facial features, enlargement of the lips, gingival hyperplasia, hypertrichosis, and Peyronie's disease. Accusations of siding with the enemy leave Sgt. Body as a Whole: Allergic reactions in the form of rash and rarely more serious forms see Skin and Appendages paragraph below and DRESS see have been observed. Anaphylaxis has also been reported. Phenytoin is extensively bound to plasma proteins and is prone to competitive displacement. Phenytoin is metabolized by hepatic cytochrome P450 enzymes CYP2C9 and CYP2C19, and is particularly susceptible to inhibitory drug interactions because it is subject to saturable metabolism. Inhibition of metabolism may produce significant increases in circulating phenytoin concentrations and enhance the risk of drug toxicity. Monitoring of phenytoin serum levels is recommended when a drug interaction is suspected. Topotecan: Fosphenytoin-Phenytoin may decrease the serum concentration of Topotecan. Management: Monitor topotecan response closely, and consider alternatives to phenytoin when possible. No specific guidelines for topotecan dose adjustment are available. Dronabinol: CYP3A4 Inducers Strong may decrease the serum concentration of Dronabinol. Hormonal birth control eg, birth control pills may not work as well while you are using phenytoin. To prevent pregnancy, use an extra form of birth control eg, condoms. probalan



Keep container tightly closed

Valbenazine: CYP3A4 Inducers Strong may decrease the serum concentration of Valbenazine. The most commonly occurring drug interactions are listed below. Call your healthcare provider right away if you have any of the symptoms listed above. Phenytoin may help control your condition but will not cure it. Continue to take phenytoin even if you feel well. Do not stop taking phenytoin without talking to your doctor, even if you experience side effects such as unusual changes in behavior or mood. If you suddenly stop taking phenytoin, your seizures may worsen. Your doctor will probably decrease your dose gradually. Use with caution. May make these conditions worse. Women who take phenytoin suspension may experience an increase in seizure activity if they become pregnant. Discuss any questions or concerns with your doctor. If you think you may be pregnant, contact your doctor. Propylene glycol: Some dosage forms may contain propylene glycol; large amounts are potentially toxic and have been associated hyperosmolality, lactic acidosis, seizures and respiratory depression; use caution AAP 1997; Zar 2007. Woolf, A. D. Strychnine poisoning from a Cambodian traditional remedy. Am J Emerg. Eosinophilia is often present. Because this disorder is variable in its expression, other organ systems not noted here may be involved. It is important to note that early manifestations of hypersensitivity, such as fever or lymphadenopathy, may be present even though rash is not evident. If such signs or symptoms are present, the patient should be evaluated immediately. Phenytoin should be discontinued if an alternative etiology for the signs or symptoms cannot be established. Tacrolimus Systemic: Phenytoin may decrease the serum concentration of Tacrolimus Systemic. Tacrolimus Systemic may increase the serum concentration of Phenytoin. Orphenadrine: CNS Depressants may enhance the CNS depressant effect of Orphenadrine. Due to an increased fraction of unbound phenytoin in patients with renal or hepatic disease, or in those with hypoalbuminemia, the interpretation of total phenytoin plasma concentrations should be made with caution. Unbound phenytoin concentrations may be more useful in these patient populations. Phenytoin can speed up the removal of other medications from your body, which may affect how they work. Examples of affected drugs include atazanavir, some drugs to treat cancer such as imatinib, irinotecan cobicistat, corticosteroids such as prednisone felodipine, quetiapine, quinidine, suvorexant, theophylline, vitamin D, warfarin, among others. effexor where to buy payment



Phenytoin dosing information

Vesicant; ensure proper needle or catheter placement prior to and during IV infusion. Avoid extravasation. Do not stop taking any medications without consulting your healthcare provider. Call your healthcare provider right away, if you have any of the symptoms listed above. Abrupt withdrawal of phenytoin in epileptic patients may precipitate status epilepticus. When, in the judgment of the clinician, the need for dosage reduction, discontinuation, or substitution of alternative anticonvulsant medication arises, this should be done gradually. In the event of an allergic or hypersensitivity reaction, more rapid substitution of alternative therapy may be necessary. In this case, alternative therapy should be an anticonvulsant drug not belonging to the hydantoin chemical class. The manufacturer product information should be consulted. The patient should be advised that, because these signs and symptoms may signal a serious reaction, that they must report any occurrence immediately to a physician. In addition, the patient should be advised that these signs and symptoms should be reported even if mild or when occurring after extended use. Keep all follow-up visits with your healthcare provider as scheduled. Call your healthcare provider between visits as needed, especially if you are worried about symptoms. Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose. What happens if I overdose? CAPSULES for a condition for which it was not prescribed. Tadalafil: CYP3A4 Inducers Strong may decrease the serum concentration of Tadalafil. Management: Erectile dysfunction: monitor for decreased effectiveness - no standard dose adjustments recommended. Avoid use of tadalafil for pulmonary arterial hypertension in patients receiving a strong CYP3A4 inducer. If you are of childbearing age and are not planning on getting pregnant, you should use effective birth control contraception while taking phenytoin. Some phenytoin side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. If you become pregnant while taking Dilantin, the level of Dilantin in your blood may decrease, causing your seizures to become worse. Your healthcare provider may change your dose of Dilantin. kroger pharmacy disulfiram price



General information about phenytoin

The risk increases if you are also taking other drugs that increase serotonin, so tell your doctor or pharmacist of all the drugs you take see section. Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. These medicines can change the levels of phenytoin in your blood. Miconazole Oral: May increase the serum concentration of Phenytoin. Injection may contain sodium. Where can I get more information? Some products that may interact with this drug include: azapropazone, darunavir, delavirdine, dofetilide, etravirine, nisoldipine, rilpivirine, colesevelam, molindone, pyridoxine vitamin B6 sucralfate, sulfa drugs, telithromycin. The overall incidence of malformations for children of epileptic women treated with antiepileptic drugs, including phenytoin, during pregnancy is about 10%, or two- to three-fold that in the general population. Disopyramide: Phenytoin may decrease the serum concentration of Disopyramide. Check your blood or urine glucose level frequently, as directed by your doctor. Promptly report any abnormal results as directed. Food and Drug Administration. WebMD does not endorse any specific product, service, or treatment. CycloSPORINE Systemic: Phenytoin may increase the metabolism of CycloSPORINE Systemic. avlocardyl



Some MEDICINES MAY INTERACT with phenytoin

Phenytoin is metabolized by hepatic cytochrome P450 enzymes CYP2C9 and CYP2C19. Because phenytoin is hydroxylated in the liver by an enzyme system which is saturable at high serum levels, small incremental doses may increase the half-life and produce very substantial increases in serum levels, when these are in the upper range. The steady-state level may be disproportionately increased, with resultant intoxication, from an increase in dosage of 10% or more. The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables. Kennedy MC, Wade DN. The effect of food on the absorption of phenytoin. Your speech is slurred. Careful cardiac monitoring is needed during and after administering intravenous phenytoin. Although the risk of cardiovascular toxicity increases with infusion rates above the recommended infusion rate, these events have also been reported at or below the recommended infusion rate. Reduction in rate of administration or discontinuation of dosing may be needed. Carcinogenesis: See for information on carcinogenesis. Phenytoin may cause an increase in your blood sugar. Talk to your doctor about the symptoms of high blood sugar and what to do if you experience these symptoms. Phenytoin may cause side effects. Tell your doctor or dentist that you take phenytoin suspension before you receive any medical or dental care, emergency care, or surgery. Keep all follow-up visits with your healthcare provider as scheduled. Etoposide: CYP3A4 Inducers Strong may decrease the serum concentration of Etoposide. Management: When possible, seek alternatives to strong CYP3A4-inducing medications in patients receiving etoposide. If these combinations cannot be avoided, monitor patients closely for diminished etoposide response. Joe Biden to Russia: "We will bury you by turning more of Eastern Europe over to your control! At this rate, toxicity should be minimized. Phenytoin suspension may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking phenytoin suspension. CloZAPine: CYP3A4 Inducers Strong may decrease the serum concentration of CloZAPine. Lymph nodes may remain swollen or firm long after an initial infection is gone. This is especially true in children, whose glands may decrease in size while remaining firm and visible for many weeks.



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What are the possible side effects of phenytoin


What should I avoid while taking phenytoin?

Dispense in a tight, light-resistant container as defined in the USP using a child-resistant closure. Ezogabine: Fosphenytoin-Phenytoin may decrease the serum concentration of Ezogabine. Management: Consider increasing the ezogabine dose when adding phenytoin. Patients using this combination should be monitored closely for evidence of adequate ezogabine therapy. Take phenytoin exactly as your healthcare provider tells you. CYP3A4 inducers with roflumilast. The Canadian product monograph makes no such recommendation but notes that such agents may reduce roflumilast therapeutic effects.

Phenytoin consumer information

Pay attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. Your pharmacist can provide more information about phenytoin. Patients, their caregivers, and families should be counseled that AEDs, including Dilantin, may increase the risk of suicidal thoughts and behavior and should be advised of the need to be alert for the emergence or worsening of symptoms of depression, any unusual changes in mood or behavior, or the emergence of suicidal thoughts, behavior, or thoughts about self-harm. Behaviors of concern should be reported immediately to healthcare providers.

What should I avoid while taking Dilantin?

No. 3 capsules with a white, opaque body and a medium orange cap containing a white powder. Capsule is imprinted with black rectified radial print, "PD" on cap and "Dilantin 100 mg" on body. It is not known whether this drug passes into milk. Consult your doctor before -feeding. TI - Herpes simplex virus encephalitis.

What other drugs will affect phenytoin

Halothane: May increase the serum concentration of Phenytoin. Take Dilantin exactly as your healthcare provider tells you. Similarly, if there is a history of hypersensitivity reactions to these structurally similar drugs in the patient or immediate family members, consider alternatives to Dilantin.

Are allergic to phenytoin or any of the ingredients in Dilantin. See the end of this leaflet for a complete list of ingredients in Dilantin. Dosage should be individualized to provide maximum benefit. In some cases, serum blood level determinations may be necessary for optimal dosage adjustments. Do not keep outdated medicine or medicine no longer needed. Do not drink alcohol while you take phenytoin without first talking to your healthcare provider. Drinking alcohol while taking phenytoin may change your blood levels of phenytoin which can cause serious problems. Dilantin phenytoin sodium US prescribing information. Pfizer, Inc. August, 2014.

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