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2. Sildenafil Dosage Guide + Max Dose, Adjustments - Drugs.com

   www.drugs.com/dosage/sildenafil.htm

   Detailed Sildenafil dosage information for adults, the elderly and children. Includes dosages for Erectile Dysfunction and Pulmonary Hypertension; plus renal, liver and dialysis adjustments. Skip to main content

3. Viagra Dosage: 25/50/100 mg, Form, When to Use, and More

   www.healthline.com/health/drugs/viagra-dosage

   The recommended dosage of Viagra for erectile dysfunction (ED) is 50 mg, taken as needed about 1 hour before sexual activity. You can take it 30 minutes to 4 hours before sexual activity.

4. Viagra: Uses, Dosage, Side Effects, Warnings - Drugs.com

   www.drugs.com/viagra.htm

   Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. Do not take Viagra more than once per day. Viagra can help you have an erection when sexual stimulation occurs.

5. Viagra and dosage: Forms, strengths, how to take, and more

   www.medicalnewstoday.com/articles/drugs-viagra-dosage

   The highest recommended Viagra dose for treating erectile dysfunction (ED) is 100 mg per day, according to the drug’s manufacturer. Doses of 150 mg or 200 mg would be considered off-label...

6. How and when to take sildenafil - NHS

   www.nhs.uk/medicines/sildenafil-viagra/how-and-when-to...

   Take sildenafil up to 4 hours before you want to have sex. For sildenafil to work properly, you'll need to be sexually excited. Sildenafil tablets for pulmonary hypertension come in 10mg and 20mg strengths. The usual adult dose is 20mg taken 3 times a day.

7. Viagra Oral Tablet: How it Works, How Long it Lasts, Cost ...

   www.healthline.com/health/drugs/viagra

   Viagra works at its best within a few hours after it’s taken. In most people, the drug is most effective about 1 hour after it’s taken.