What is Viagra?

  • Viagra is the brand name for Sildenafil Citrate, a medication used to treat erectile dysfunction (ED).

  • It works by relaxing blood vessels in the penis, increasing blood flow during sexual arousal, which helps achieve and maintain an erection.

Important Information

  • Works only with sexual stimulation, does not increase libido.

  • Available in tablets (25 mg, 50 mg, 100 mg).

  • Do not use with nitrate medicines (heart medications).

  • Store in a cool, dry place, away from children.

What to know before taking Viagra?

Consult your doctor if you have heart problems, high/low blood pressure, kidney/liver disease, history of stroke or heart attack.

  • Avoid excess alcohol → may reduce effectiveness.

  • Inform your doctor about other medications to prevent interactions.

  • Viagra is not advisable if you are allergic to it, its components, or similar drugs.
  • Please don't use Viagra if you have the following health disorders or history thereof:
  • Heart disease
  • Heart rhythm disorders
  • Coronary artery disease
  • Heart attack
  • Congestive heart failure
  • Stroke
  • Fluctuating blood pressure level
  • Liver disease
  • Kidney disorders
  • Sickle cell anemia, multiple myeloma, leukemia, or any other blood cells disorders
  • Bleeding disorders
  • Stomach ulcers
  • Retinitis pigmentosa
  • Avoid taking Viagra if you have recently consumed any medicine containing nitrates.
  • It is advisable to avoid taking Viagra if you are pregnant or breastfeeding; Viagra is not safe for your child's health and may cause them congenital disabilities.
  • Ask your physician about all the risks and benefits associated with the medicine.

How to take Viagra?

  • Take 1 tablet orally, 30–60 minutes before sexual activity.

  • Can be taken with or without food, but high-fat meals may delay effect.

  • Works only with sexual stimulation.

Viagra dosage

  • Common doses: 25 mg, 50 mg, 100 mg.

  • Start with 50 mg, adjust based on effectiveness and side effects.

  • Do not exceed one dose per day.

The following are the usual Viagra dosage that your doctor can prescribe you:

Dosage for treating Erectile dysfunction

In the form of oral tablets

  • For adults (18 years and above)

50 mg of the medicine one hour before indulging in sexual activity

  • For children (below 18 years of age)

  • Mild to moderate ED: 25–50 mg as needed

  • Severe ED: 50–100 mg as needed

  • Adjust based on doctor’s advice and tolerance

What to avoid while using Viagra?

  • Nitrate medications (heart medications)

  • Excess alcohol

  • Consuming herbal products, vitamins, and other nutritional supplements while using Viagra is unsafe; They can dangerously interact with the medicine.
  • Taking alcohol with Viagra is dangerous and can adversely affect your health; please avoid taking them together.
  • You should also ask your doctor before taking other medicines to treat impotence simultaneously with Viagra.
  • Avoid taking grapefruit or its juice while taking Viagra; it can dangerously interact with the medicine and cause death.

  • Grapefruit or grapefruit juice

  • Recreational drugs like amyl nitrite

Viagra side effects

Viagra blocks certain enzymes in the body to treat erectile dysfunction and may cause you the following side effects:

  • Sudden hot or cold flashes
  • Red and warm skin
  • Tingliness on the skin
  • Blurred vision
  • Runny or stuffy nose
  • Sleeping disorders
  • Muscular pain
  • Pain in the back
  • Upset stomach

It is obvious to experience these mild side effects after using Viagra, and you should not worry too much about them unless they bother you. However, you must consult your doctor if these mild side effects are unbearable or make your life too complicated. Please stop taking Viagra and seek emergency medical assistance ASAP if you experience the following health issues while taking Viagra:

  • Deafness
  • Sudden ringing or unpleasant sound in the ears
  • Irregular heartbeats
  • Pain or swelling in the hands, ankles, or feet
  • Breathlessness
  • Seizures or convulsions
  • Lightheadedness
  • Pain or pressure in the heart
  • Nausea or vomiting
  • Weak or poor eyesight
  • Loss of vision
  • Symptoms of heart attack
  • Any other allergic reaction to the medicine

What drugs can interact with Viagra?

The medicines that can interact with Viagra include the following:

  • Nitrates (e.g., nitroglycerin) → dangerous blood pressure drop

  • Alpha-blockers (used for prostate or blood pressure) → may cause dizziness

  • Other ED medications → do not combine

  • Some antifungals, antibiotics, HIV protease inhibitors → may increase Viagra levels

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