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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.

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Type in a drug name to check for interactions with Viagra (sildenafil).

Medications known to interact with Viagra (sildenafil)

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    • grepafloxacin (Raxar)
    • griseofulvin (Griseofulicin, Griseofulvic, Gris-PEG, Fulvicin P/G, Grifulvin V, Fulvicin U/F, Grisactin Ultra, Grisactin 250, Grisactin 500)
    • guaifenesin / hydrocodone (Hydrocod-GF, Narcof, Hycosin Expectorant, Vortex, Condasin, Obredon, Vicodin Tuss, Vicoclear, Vitussin Expectorant, Monte-G HC, CodiCLEAR DH, Maxi-Tuss HCG, EndaCof-Tab, Ztuss ZT, Tusso-HC, Execlear, Hycotuss Expectorant, Pneumotussin HC, Propatuss Expectorant, Kwelcof, Vi-Q-Tuss, Co-Tussin, Codotuss, Fentuss Expectorant, Co-Tuss V Expectorant, Endacof XP, Vicotuss, G-Tuss, Hycoclar Tuss, Cotuss V, 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, Flowtuss)
    • 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 (Glyceryl T, Quibron, 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, Theophyll-GG)
    • 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

    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.

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