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T-Phyl (theophylline) Drug Interactions

A total of 404 drugs are known to interact with T-Phyl (theophylline).

  • 53 major drug interactions
  • 290 moderate drug interactions
  • 61 minor drug interactions

Check for interactions with T-Phyl (theophylline)

Type in a drug name and select a drug from the list.

Medications known to interact with T-Phyl (theophylline)

A B C D E F G H I K L M N O P Q R S T U V Z

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  • emtricitabine / lopinavir / ritonavir / tenofovir (AccessPak for HIV PEP Expanded with Kaletra)
  • emtricitabine / nelfinavir / tenofovir (AccessPak for HIV PEP Expanded with Viracept)
  • enalapril / felodipine (Lexxel)
  • enoxacin (Penetrex)
  • ephedrine (Akovaz, Corphedra)
  • ephedrine nasal (Pretz-D)
  • ephedrine / guaifenesin (Bronkaid, Primatene, Broncho-Dilate, Broncholate Syrup, Broncholate)
  • ephedrine / guaifenesin / theophylline (Primatene Dual Action)
  • ephedrine / hydroxyzine / theophylline (Marax, Hydrophed, Ami-rax, Hydroxy Compound, Marax DF, Theomax DF)
  • ephedrine / phenobarbital / potassium iodide / theophylline (Quadrinal)
  • ephedrine / phenobarbital / theophylline (Tedrigen, Theodrine)
  • ephedrine / potassium iodide (KIE)
  • erythromycin (Erythrocin, E-Mycin, Ery-Tab, EryPed, Ilosone, Erythrocin Lactobionate, Erythrocin Stearate Filmtab, E.E.S. Granules, E.E.S.-200, Robimycin, PCE Dispertab, Wyamycin S, E.E.S.-400, E.E.S.-400 Filmtab, Erythrocot, Eryc, MY-E)
  • erythromycin / sulfisoxazole (Pediazole, Eryzole, Sulfimycin, E S P)
  • esmolol (Brevibloc)
  • esomeprazole (Nexium, Nexium 24HR, Nexium IV)
  • esomeprazole / naproxen (Vimovo)
  • estazolam (Prosom)
  • estradiol (Estrace, Estradiol Patch, Climara, Vivelle-Dot, Vivelle, Estrogen Patches, Estrogel, Minivelle, Delestrogen, Alora, Progynova, Divigel, Femring, Elestrin, Evamist, Depo-Estradiol, Estradot, Oestrogel, Estraderm, Estragyn LA 5, Estrofem, Estra Pellets, Valergen, Depogen, Duragen, Esclim, Nuvelle TS Phase I, Climodien, Oestradiol Implants, Delidose, Estradiol G GAM, Oestrodose, Provames, Menostar, Femtrace, Dep Gynogen, Gynogen LA 20, Dioval 40, Dioval XX, Estra-C, Estra-V 40, Estro-Cyp, Gynodiol, Estro-Span 40, Medidiol 10, Dura-Estrin, Fempatch, Oesclim, Clinagen LA 40, Estro-LA, Menaval-20, Estradot 37.5, Estradot 50, Estradot 75, Estradot 100, Oestrogel Pump-Pack, Dermestril, Evorel, FemSeven, Progynova TS, Aerodiol, Sandrena, Elleste Solo, Zumenon, Adgyn Estro, Fematrix, FemSeven Sequi Phase I, Menorest Patch, Climaval, FemTab, Estrasorb, Femtran, Primogyn Depot, Organon Oestradiol, Bedol, Dermestril Septem, Estrapatch, Estreva, Femsept, Menorest, Oromone, Systen, Thais, Thaissept)
  • estradiol / levonorgestrel (Climara Pro)
  • estradiol / medroxyprogesterone (Lunelle)
  • estradiol / norethindrone (Activella, Lopreeza, CombiPatch, Amabelz, Mimvey, Ena, Mimvey Lo)
  • estradiol / norgestimate (Prefest, Ortho-Prefest)
  • estradiol / testosterone (Depo-Testadiol, Depotestogen, Dep Androgyn, Delatestadiol, Estra-Testrin, Valertest No 1, Duo-Cyp, Dura-Dumone, Duratestrin)
  • etanercept (Enbrel, Erelzi)
  • ethinyl estradiol (Estinyl)
  • ethinyl estradiol / ethynodiol (Zovia 1/35E, Kelnor 1/35, Demulen, Demulen 1/35, Demulen 1/50, Kelnor 1/50, Zovia 1/50E, Malmorede)
  • ethinyl estradiol / etonogestrel (NuvaRing)
  • ethinyl estradiol / folic acid / levonorgestrel (FaLessa Kit)
  • ethinyl estradiol / levonorgestrel (Aviane, Lutera, Seasonique, Alesse, Levora, Portia, Ashlyna, Vienva, Camrese, Levlen, Orsythia, Lillow, Jolessa, Trivora, Introvale, Amethyst, Falmina, Kurvelo, Seasonale, Lessina, Chateal, Larissia, Aubra, Amethia, Sronyx, Lybrel, Altavera, Balcoltra, Levlite, Marlissa, Daysee, Fayosim, Alesse-28, Triphasil, Setlakin, Ayuna, LoSeasonique, Amethia Lo, Enpresse, Quasense, CamreseLo, Quartette, Levonest, Nordette-28, Triphasil-28, Nordette, Triquilar 21, Myzilra, Chateal EQ, Rivelsa, Simpesse, Lo Simpesse, Jaimiess, Afirmelle, Nordette-21, Elifemme, Tri-Levlen, Triphasil-21, Alesse-21, Preven EC, Triquilar 28, Min-Ovral 21, Min-Ovral 28, Delyla, Iclevia, Aubra EQ)
  • ethinyl estradiol / norelgestromin (Xulane, Ortho Evra)
  • ethinyl estradiol / norethindrone (Lo Loestrin Fe, Junel Fe 1/20, Microgestin Fe 1/20, Taytulla, Loestrin 24 Fe, Minastrin 24 Fe, Necon 1/35, Necon 0.5/35, Cyclafem 1/35, Blisovi Fe 1/20, Jinteli, Loestrin 21 1/20, Blisovi 24 Fe, Junel Fe 24, Mibelas 24 Fe, Estrostep Fe, Balziva, Loestrin Fe 1/20, Loestrin Fe 1.5/30, Aranelle, Junel Fe 1.5/30, Alyacen 1/35, Larin Fe 1/20, Brevicon, Gildess Fe 1/20, Ortho-Novum 1/35, femhrt, Nortrel 1/35, Microgestin 1/20, Microgestin 1.5/30, Larin Fe 1.5/30, Melodetta 24 Fe, Blisovi Fe 1.5/30, Generess Fe, Microgestin Fe 1.5/30, Junel 1.5/30, Dasetta 1/35, Jevantique, Modicon, Cyclafem 7/7/7, Ortho-Novum 7/7/7, Tri-Norinyl, Nortrel 0.5/35, Fyavolv, Gildagia, Tilia Fe, Dasetta, Vyfemla, Larin 24 Fe, Wera, Wymzya Fe, Pirmella 7/7/7, Ovcon 35, Gildess Fe 1.5/30, Norethin 1/35 E, Tarina Fe 1/20, Jenest, Nortrel 7/7/7, Necon 7/7/7, Leena, Junel 1/20, Zenchent, Lo Minastrin Fe, Lomedia 24 Fe, Dasetta 7/7/7, Hailey 1.5/30, Alyacen 7/7/7, Microgestin 24 Fe, Larin 1.5/30, Layolis Fe, Gildess 24 Fe, Hailey Fe 1/20, Hailey 24 Fe, Pirmella 1/35, Genora 0.5/35, Nelova 0.5/35, Norinyl 1+35, Genora 1/35, Loestrin 21 1.5/30, Nelova 10/11, Nelova 1/35, Necon 10/11, Ovcon 50, Ortho-Novum 10/11, Zenchent Fe, Ovcon 35 Fe, Femcon Fe, Nylia 7/7/7, Cyonanz, Nylia 1/35, Aurovela Fe 1.5/30, Aurovela 24 Fe, Aurovela Fe 1/20, Aurovela 1/20, Leribane, Aurovela 1.5/30, Cyclafem 0.5/35, Kaitlib Fe, Tri-Legest, Tri-Legest Fe, Briellyn, Philith, Zeosa, Hailey Fe 1.5/30, Nexesta Fe, Gildess 1.5/30, Gildess 1/20, Larin 1/20, Jevantique Lo)
  • ethinyl estradiol / norgestimate (Sprintec, Ortho Tri-Cyclen, TriNessa, Tri-Sprintec, Mononessa, Estarylla, Ortho Cyclen, Femynor, Ortho Tri-Cyclen Lo, Mono-Linyah, TriNessa Lo, Previfem, Tri-Linyah, Tri Femynor, Tri-Lo-Marzia, Tri-Lo-Estarylla, Tri-Estarylla, Tri-VyLibra, VyLibra, Mili, Tri-Previfem, Tri-Lo-Sprintec, Tri-Lo-Mili, Tri-Mili)
  • ethinyl estradiol / norgestrel (Lo/Ovral, Cryselle, Ovral, Elinest, Low-Ogestrel-28, Lo/Ovral-28, Ovral-21, Ogestrel 0.5/50, Ovral-28)
  • ethinyl estradiol / segesterone (Annovera)
  • ethotoin (Peganone)
  • etonogestrel (Nexplanon, Implanon)
  • evening primrose (Primrose Oil, Evening Primrose Oil)
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T-Phyl (theophylline) alcohol/food Interactions

There are 3 alcohol/food interactions with T-Phyl (theophylline)

T-Phyl (theophylline) disease Interactions

There are 7 disease interactions with T-Phyl (theophylline) which include:

Drug Interaction Classification

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.
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 information available.

Do not stop taking any medications without consulting your healthcare provider.

Further information

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

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