What Drugs Shouldn't Be Taken With Viagra (Sildenafil)

Updated Jun,2020

Before taking Viagra (Sildenafil), notify your doctor of any current medications you're taking as well as any preexisting conditions you may have. Though Viagra (Sildenafil) is generally regarded as a safe drug, you must be cautious if you have any issues with your heart. Always follow your doctors strict usage instructions and report any side effects immediately.

Drug interactions

Some drug combinations are safe to take together. However, it's important to check with your doctor about any possible drug interactions before taking Viagra (Sildenafil) . Don't take Viagra (Sildenafil) before checking your current medications with your doctor.

Below are medications that you cannot take with Viagra (Sildenafil):

  • Amprenavir
  • Amyl Nitrite
  • Atazanavir
  • Boceprevir
  • Cobicistat
  • Darunavir
  • Erythrityl Tetranitrate
  • Fosamprenavir
  • Indinavir
  • Isosorbide Dinitrate
  • Isosorbide Mononitrate
  • Lopinavir
  • Molsidomine
  • Nelfinavir
  • Nitrogycerin
  • Nitroprusside
  • Pentaerythritol Tetranitrate
  • Propatyl Nitrate
  • Riociguat
  • Ritonavir
  • Saquinavir
  • Telaprevir
  • Tipranavir

Warnings

Tell your doctor if you decide to take Viagra (Sildenafil). Also, tell your doctor if you have or have had any current or past heart problems. This medicine may cause serious side effects for people with heart problems.

If you're experience an emergency heart problem, tell your doctor when you last took Viagra (Sildenafil).

Never take Viagra (Sildenafil) with any other medicine or device that causes erections, even if you're taking Viagra (Sildenafil) for pulmonary arterial hypertension. Don't take Viagra (Sildenafil) with other PDE5 inhibitors, as this increases your chances of side effects.

Don't drink excessive amounts of alcohol when taking Viagra (Sildenafil). When taken in excess, alcohol increases your chances of getting a headache or dizziness, increases your heart rate, or lowers your blood pressure.

Don't eat grapefruit or drink grapefruit juice while you're using this medicine. Grapefruits may change the amount of Viagra (Sildenafil) that's absorbed in the body.

Stop taking Viagra (Sildenafil) and get medical help immediately if you experience:

  • A light-headed feeling, like you might pass out
  • Your erection is painful or lasts longer than 4 hours
  • Vision changes or sudden vision loss
  • Ringing in your ears or sudden hearing loss
  • Heart Attack Symptoms: chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating

Viagra (Sildenafil) doesn't protect you against sexually transmitted diseases. Continue to use protective measures when taking Viagra (Sildenafil).

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