Sildenafil (Generic Viagra)
Generic Viagra is a prescription-recommended medication which has potencies related to muscle relaxation and blood flow promotion to specific parts of the body. It is a drug for male erectile dysfunction.

Generic Viagra is a prescription-recommended medication which has potencies related to muscle relaxation and blood flow promotion to specific parts of the body. It is a drug for male erectile dysfunction.
Drug Uses
Generic Viagra is primarily administered as an assistive medication for treating male impotence, or erectile dysfunction; the drug fulfills this purpose by relaxing specific muscles, particularly those within and around the penis, and promoting blood flow on the same locations. Aside from this purpose, the drug may also be administered as treatment for other health conditions.
How to take Generic Viagra
A prescription is recommended before intake of Generic Viagra; use of the drug must be under compliance with dosage directions of a physician, or as instructed on the product label. The drug is orally taken; it can be downed with water if necessary. It is normally taken as needed, with thirty minutes to an hour as intake period prior to sexual intercourse, but only once a day. Time allowance may be extended for up to four hours before intercourse. Sexual stimulation is necessary in order for the drug to provide full effect.
Drug Precautions
Generic Viagra must not be taken in combination with medication containing nitrates; such intake can lead to:
Patients with:
should notify their doctor prior to taking on Generic Viagra.
Drug Interactions
Medications which contain nitrates may significantly and adversely interact with Generic Viagra, as well as bosentan, warfarin, and cimetidine; erythromycin or clarithromycin; doxazosin or prazosin; HIV drugs like amprenavir, tipranavir, darunavir, efavirenz, nevirapine, indinavir, saquinavir, lopinavir or ritonavir, fosamprenavir, ritonavir, atazanavir, and nelfinavir; itraconazole and ketoconazole; carbamazepine, phenobarbital, and phenytoin; and rifampin or rifabutin.
Side Effects
An allergic reaction is an adverse effect which needs immediate medical care. If during sexual contact, symptoms such as dizziness, nausea, or pain and numbness on certain areas of the body are experienced, seek for medical care immediately. Other severe adverse effects can include:
Missed Dose
Generic Viagra is a medication which is usually taken as needed; so an intake schedule is unlikely to be set in place. Take a dose when needed, but do not take double doses in an aim to achieve enhanced benefits.
Overdose
Taking Generic Viagra in amounts exceeding to the daily dose may have adverse consequences to health. If these indications are experienced, seek medical care: light-headedness, fainting, abnormal heart rate, chest pain, and nausea.
Storage
Maintain normal room conditions in the areas where Generic Viagra is stored; keep the tablets sealed within tight-capped containers, away from direct heat sources.