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Sildenafil Dosage

Sildenafil Dosage

What is sildenafil?

Sildenafil relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body.

Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men.

Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.

Side Effect

Major and Minor sildenafil  of Side Effect

  • Bladder pain
  • burning feeling in the chest or stomach
  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • cloudy or bloody urine
  • dizziness
  • increased frequency of urination
  • indigestion
  • pain on urination
  • stomach upset
  • tenderness in the stomach area

What is the dosage for sildenafil?

The usual recommended dose is 25 to 100 mg 1 hour before sexual activity.

The maximum dose is 100 mg daily.

The elderly (over 65 years of age) should start at 25 mg before sexual activity.

Sildenafil is rapidly absorbed. Maximum observed plasma concentrations are reached within 30 to 120 minutes (median 60 minutes) of oral dosing in the fasted state. When sildenafil is taken with a high fat meal, the rate of absorption is reduced, with an average delay in the time to maximal concentration of 1 hour.

Important warnings

Priapism warning : This drug can cause priapism, which is an erection that won’t go away. If you have an erection that lasts more than 4 hours, call 911 or go to the nearest emergency room. If it’s not treated right away, this condition can cause permanent damage to your penis.

Sudden vision loss warning : This drug can cause sudden vision loss in one or both eyes. This can be a sign of a serious eye problem. If this occurs, stop taking sildenafil and call your doctor right away.

Sudden hearing loss warning : This drug can cause hearing loss, tinnitus (ringing in your ears), or dizziness. If you have sudden hearing loss with or without tinnitus or dizziness, stop taking sildenafil and call your doctor right away.

Use in children warning : Children with PAH who take this drug may be at increased risk of death. Children should not take sildenafil.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.Keep out of the reach of children.

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