Skip to Content
Print Share

Dilantin (phenytoin) Drug Interactions

A total of 1270 drugs are known to interact with Dilantin (phenytoin).

  • 214 major drug interactions
  • 988 moderate drug interactions
  • 68 minor drug interactions

Show all medications in the database that may interact with Dilantin (phenytoin).

Check for interactions

Type in a drug name to check for interactions with Dilantin (phenytoin).

Most frequently checked interactions

View interaction reports for Dilantin (phenytoin) and the medicines listed below.

  • Adderall (amphetamine / dextroamphetamine)
  • Advil (ibuprofen)
  • albuterol (Ventolin, Ventolin HFA, ProAir HFA, Proventil, Proventil HFA, ProAir RespiClick, AccuNeb, Respirol, Vospire ER, Volmax, ProAir Digihaler, Airet)
  • Aleve (naproxen)
  • aspirin (Aspir 81, Ecotrin, Aspirin Low Strength, Acetylsalicylic Acid, Bayer Aspirin, Aspir-Low, Bufferin, Ascriptin, Arthritis Pain, Aspiritab, Aspergum, Fasprin, Halfprin, Easprin, Ecotrin Adult Low Strength, Empirin, Migralex, Aspi-Cor, St. Joseph 81 mg Chewable Aspirin, Bayer Children's Aspirin, Buffered Aspirin, Durlaza, Ecotrin Maximum Strength, Entercote, Bufferin Extra Strength, Ascriptin Enteric, St. Joseph 81 mg Aspirin Enteric Safety-Coated, Bayer Aspirin Regimen, Ascriptin Maximum Strength, Arthritis Foundation Pain Reliever, Bayer Aspirin with Heart Advantage, Aspirtab, Bufferin Low Dose, Medi-Seltzer, Sloprin, ZORprin, Low Dose ASA, Bayer Aspirin Extra Strength Plus, Buffex, Extra Strength Bayer, Genacote, Gennin-FC, Genprin, Litecoat Aspirin, Minitabs, Tri-Buffered Aspirin, Entaprin, Bufferin Arthritis Strength, Therapy Bayer, St. Joseph Aspirin, Stanback Analgesic, Norwich Aspirin, Acuprin 81, Ecpirin, Bayer Women's Aspirin With Calcium, Zero-Order Release, YSP Aspirin, Miniprin, Aspirin Lite Coat, Heartline, Bayer Advanced Aspirin, Buffasal)
  • Ativan (lorazepam)
  • Benadryl (diphenhydramine)
  • clonazepam (Klonopin, Klonopin Wafer)
  • Coumadin (warfarin)
  • Dextrose (glucose)
  • folic acid (Folvite, FA-8, Folacin-800, FaLessa)
  • gabapentin (Neurontin, Gralise, Gabarone, Fanatrex)
  • grapefruit
  • ibuprofen (Advil, Motrin, IBU, Children's Motrin, Proprinal, Advil Liqui-Gels, Ibu-8, Motrin IB, Motrin Childrens, Rufen, Childrens Ibuprofen Berry, IBU-200, Ibuprofen PMR, Advil Migraine, Ibu-Tab, Genpril, Menadol, Advil Children's, Midol Maximum Strength Cramp Formula, Motrin Migraine Pain, Addaprin, Motrin Infant Drops, NeoProfen, Caldolor, Motrin Pediatric, Haltran, Midol IB, Saleto-200, Q-Profen, Saleto-400, Saleto-600, Saleto-800, A-G Profen, Nuprin, Advil Junior Strength, Actiprofen, PediaCare Infants' IB Ibuprofen Pain Reliever/Fever Reducer, Ibu-4, PediaCare Children's IB Ibuprofen Pain Reliever/Fever Reducer, Ibu-6, Motrin Junior Strength, Help I Have An Aching Body, Children's ElixSure IB, Advil Infant's Concentrated Drops, Cap-Profen, Advil Film-Coated)
  • Keppra (levetiracetam)
  • Lasix (furosemide)
  • levothyroxine (Synthroid, Levoxyl, Tirosint, Levothroid, Eltroxin, Euthyrox, Unithroid, Levothyrox, Eutroxsig, Levo-T, Oroxine, L Thyroxine Roche, Levotabs, Novothyrox, Tirosint-Sol, Levotec, Evotrox)
  • Lipitor (atorvastatin)
  • lisinopril (Zestril, Prinivil, Qbrelis)
  • melatonin (Melatonin Time Release, SGard, Bio-Melatonin, Health Aid Melatonin, VesPro Melatonin)
  • metformin (Glucophage, Glumetza, Glucophage XR, Fortamet, Riomet)
  • omeprazole (Prilosec, Prilosec OTC, Zegerid (Original Formulation), Omesec)
  • phenobarbital (Luminal, Solfoton)
  • Plavix (clopidogrel)
  • Synthroid (levothyroxine)
  • tramadol (Ultram, Tramadol Hydrochloride ER, Tramal, Ultram ER, ConZip, Zydol, Tramal SR, GenRx Tramadol, Zamadol, Ryzolt, Tramedo, Larapam SR, Tramahexal SR, Tramahexal, Zydol XL, Rybix ODT, Ultram ODT)
  • trazodone (Desyrel, Oleptro, Desyrel Dividose)
  • Tylenol (acetaminophen)
  • Vicodin (acetaminophen / hydrocodone)
  • Vitamin D3 (cholecalciferol)
  • Xanax (alprazolam)

Dilantin (phenytoin) alcohol/food interactions

There is 1 alcohol/food interaction with Dilantin (phenytoin)

Dilantin (phenytoin) disease interactions

There are 12 disease interactions with Dilantin (phenytoin) which include:

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

Drugs.com Mobile Apps

The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Available for Android and iOS devices.

Explore Apps
Hide