Life-threatening health disorders are on the cards if generic Viagra is consumed concomitantly with nitrate drugs that are normally suggested for pain in the chest (angina). There is also a strong possibility of Viagra causing problems in men who are simultaneously taking it with protease inhibitors used against HIV or alpha blockers for enlarged prostate. Patients who are more than 65, or have liver or kidney problems may be restricted to a lesser dosage and should be watchfully observed how they respond to the medication.
Dosage & Administration
Generic Viagra Sildenafil citrate comes in doses of 25 mg, 50 mg and 100 mg. The most prevalent initial dosage is 50mg; however men who are highly vulnerable to severe adverse effects may be confined to 25 mg. Viagra must be used approximately one hour before sexual intercourse. You need to have enough sexual stimulation to experience its desired effects. Sildenafil should not be in use more than one time within 24 hours. You need a prescription to buy generic viagra