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Frequently Asked Questions About Viagra

What is Viagra?

Sildenafil, also known as viagra is used for the management of erectile dysfunction. It is a phosphodiesterase-5 (PDE5) inhibitor.

How does it work?

Viagra performs its function in the body by causing the muscles of blood vessels to relax. This in turn causes an increase in blood flow to certain parts of the body.

Apart from being used to treat erectile dysfunction in men, it is also used to improve exercise capacity and treat pulmonary arterial hypertension in men and women.

Side effects of viagra

Viagra is associated with the following side effects:

  • Stuffy nose
  • Stomach pain
  • Nausea
  • Diarrhea
  • Upset stomach
  • Memory problems
  • Redness or warmth in the neck, face, or chest
  • Back pain
  • Not being able to differentiate between blue and green colors
  • Loss of hearing
  • Dizziness
  • Ringing in the ears

Dosage

It is recommended to take viagra 30 minutes to 4 hours before engaging in sexual activity. The recommended dose range from 25mg to 100mg.

Viagra-drugs/supplements/substances interaction

Sildenafil/viagra may interact with other medicines in its class such as avanafil, tadalafil(cialis), or vardenafil. It may also interact with the following medicines from different classes:

  • Cimetidine
  • Conivaptan
  • Imatinib
  • Isoniazid
  • Antidepressants
  • Antibiotics
  • Antifungals
  • Drugs for prostate disorder
  • Heart/blood pressure medications
  • Hepatitis C medications
  • HIV/AIDS medicines

When you visit your doctor, disclose to them all the supplements and medications you use.

Can Viagra be used during pregnancy or breastfeeding?

Viagra use is intended for men. It is highly unlikely for it to be used by pregnant or breastfeeding mothers.

Nonetheless, it is not harmful to a fetus. Let your doctor know if you are pregnant or have plans of becoming pregnant.

Stop taking sildenafil if you have the following:

  • Sudden vision loss or vision changes
  • Symptoms of heart attack: nausea, sweating, pain spreading to your shoulder or jaw, chest pain or pressure
  • Painful erection or one that lasts longer that 4 hours. Prolonged erection can cause damage to your penis.

Immediately call your doctor if you have the following:

  • Sudden hearing loss or ringing in your ears
  • Swelling in your feet, ankles, or hands
  • Seizure or convulsions
  • Irregular heartbeat
  • Severe shortness of breath
  • Cough with foamy mucus

Most important information to know before taking oral viagra

  • Let your doctor know all your current medicines and supplements.
  • Avoid taking viagra if you are on nitrate drugs for heart problems and chest pain. These drugs include isosorbide mononitrate, nitroglycerin, isosorbide dinitrate, and recreational drugs such as “poppers”.

What to avoid when taking oral viagra

  • Grape fruit: An interaction between grapefruit an sildenafil may lead to undesired side effects. Avoid products that contain grapefruit.
  • Avoid using other impotence medicines such as yohimbine or alprostadil without first consulting with your doctor.
  • Avoid taking alcohol.

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