September 2, 2015
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Dilantin Patient Information including If I Miss a Dose

What happens if I miss a dose (Dilantin)?


What happens if I overdose (Dilantin)?


What should I avoid while taking phenytoin (Dilantin)?




What other drugs will affect phenytoin (Dilantin)?

Many drugs can interact with phenytoin. Below is just a partial list. Tell your doctor if you are using:

  • antibiotics such as cycloserine (Seromycin), doxycycline (Doryx, Vibramycin, Adoxa), isoniazid (for treating tuberculosis), linezolid (Zyvox), rifampin (Rimactane, Rifadin, Rifamate), or sulfa drugs (Bactrim, Septra, Sulfatrim, SMX-TMP, and others);
  • an antidepressant (such as Elavil, Vanatrip, Limbitrol, Sinequan, Silenor, Pamelor, Paxil, Zoloft, Desyrel, and others);
  • aspirin or other salicylates;
  • birth control pills or hormone replacement therapy;
  • certain sedatives (Librium, Librax, Limbitrol, Valium) or antidepressants (Desyrel, Luvox, Zoloft, Prozac, Rapiflux, Sarafem, Selfemra, Symbyax);
  • heart medication such as amiodarone (Cordarone, Pacerone), digoxin (digitalis, Lanoxin), furosemide (Lasix), or quinidine (Quin-G);
  • prochlorperazine (Compazine, Compro), promethazine (Pentazine, Phenergan, Anergan, Antinaus), and other phenothiazines;
  • steroid medicines (prednisone and others);
  • seizure medicine (such as Carbatrol, Equetro, Tegretol, Solfoton, Depakene, or Depakote);
  • stomach acid reducers (such Tagamet, Prilosec, Zegerid, Zantac, Pepcid, or Axid); or

This list is not complete and there are many other medicines that can interact with phenytoin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

Where can I get more information?

Your pharmacist can provide more information about phenytoin.



Copyright 1996-2013 Cerner Multum, Inc. Version: 12.01. Revision date: 2/14/2012.



Dilantin 125 - User Reviews

Dilantin 125 User Reviews



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