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Viagra (sildenafil) Drug Interactions

Currently displaying a list of 495 drugs known to interact with Viagra (sildenafil).

See also: The most common drugs checked in combination with this medicine.

Check for interactions with Viagra (sildenafil)

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Medications known to interact with Viagra (sildenafil)

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  • grepafloxacin (Raxar)
  • griseofulvin (Griseofulicin, Grifulvin V, Griseofulvic, Gris-PEG, Grisactin Ultra, Grisactin 500, Fulvicin P/G, Fulvicin U/F, Grisactin 250)
  • guaifenesin / hydrocodone (Narcof, Vortex, Execlear, Flowtuss, Fentuss Expectorant, Hydrocod-GF, Condasin, Maxi-Tuss HCG, Vicodin Tuss, Kwelcof, Vicotuss, Monte-G HC, Obredon, CodiCLEAR DH, EndaCof-Tab, Ztuss ZT, Tusso-HC, Hycotuss Expectorant, Pneumotussin HC, Propatuss Expectorant, Vi-Q-Tuss, Co-Tussin, Codotuss, Co-Tuss V Expectorant, Vicoclear, Endacof XP, Hycosin Expectorant, G-Tuss, Hycoclar Tuss, Cotuss V, Vitussin Expectorant, Hydrotuss, Gua HC, Hycoclear, Medcodin, Pneumotussin 2.5, Entuss, Pneumotussin, Tusso-DF, Execof, Pancof XP, Touro HC, Xpect-HC, Atuss HX, Extendryl HC, Hydro-Tussin HG, Canges-XP, Z-Cof HCX, Tussicle, A-Cof DH, Relasin-HCX)
  • guaifenesin / hydrocodone / pheniramine / phenylephrine / phenylpropanolamine (S-T Forte)
  • guaifenesin / hydrocodone / pheniramine / phenylpropanolamine / pyrilamine
  • guaifenesin / hydrocodone / phenylephrine (Mintuss G, Atuss G, Ambi 5/15/100, Tussafed-HC, Levall 5.0, Hydro GP, De-Chlor G, Dynatuss HC, Tussafed-HCG, Uni-Lev 5.0, Crantex HC, Duratuss HD, Simuc-HD, Gentex HC, Donatussin DC, Guiaplex HC, Exetuss-HC, Qual-Tussin DC, Nariz HC, MonteFlu HC, Nazarin HC, HydroFed)
  • guaifenesin / hydrocodone / pseudoephedrine (Hycofenix, Entuss-D JR, Decotuss-HD, Vanex Expectorant, Tussadur-HD, Tussend Expectorant, Detussin Expectorant, Tussgen Expectorant, SRC Expectorant, Nalex Expectorant, Deconamine CX, Poly-Tussin XP, Entuss-D, Hydrotussin HD, KG-Tuss HD, Medtuss HD, Spantuss HD, Vanacon, Su-Tuss HD Elixir, Tussafin Liquid, Hytussin Expectorant, Drituss HD, Hydro-Tuss XP, Dynex HD, Entex HC, Pseudatex HC)
  • guaifenesin / hydromorphone (Dilaudid Cough Syrup)
  • guaifenesin / theophylline (Quibron, Glyceryl T, Theophyll-GG, Elixophyllin GG, Theomar GG, Broncodur, Asbron G, Slo-Phyllin GG, Uni Bronchial, Bronchial, Theolate, Quibron 300, Theocon, Q-B, Broncomar GG, Solu-Phyllin GG, Equibron G, Theo G, Ed-Bron G)
  • guanabenz (Wytensin)
  • guanadrel (Hylorel)
  • guanethidine (Ismelin)
  • guanethidine / hydrochlorothiazide (Esimil)
  • guanfacine (Intuniv, Tenex)
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Viagra (sildenafil) alcohol/food interactions

There are 2 alcohol/food interactions with Viagra (sildenafil)

Viagra (sildenafil) disease interactions

There are 9 disease interactions with Viagra (sildenafil) 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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