Viagra UK

Viagra FAQ

Viagra® was originally developed as a heart medication to improve blood flow by relaxing arteries. During these studies, it was found to be effective in increasing blood flow to the male genitals. Increase blood flow will allow men who in the past were diagnosed as impotence to perform normally for up to six hours after taking it. It was approved by the FDA on March 27, 1998.

How to take Viagra?

Viagra is taken by mouth as needed between four hours and one-half hour before sexual activity. About one hour before is most effectiv. Take this medication only as directed, usually once daily as needed. Viagra Sildenafil works along with sexual stimulation to help achieve an erection.

Dosage

Standard dose is 50mg. Dosages higher than 100mg per day are NOT recommended. Many physicians are now recommending a therapy begin with 25mg dosage, the minimum. Viagra should be taken about 1 hour before sexual activity.

Drug Interactions

Tell your doctor of all nonprescription and prescription medication you may use, especially any nitrate medications (nitroglycerin, isosorbide dinitrate), nitroprusside (nitric oxide donor medicines), cimetidine, erythromycin, azole antifungals (itraconazole, ketoconazole), mibefradil, rifamycins (rifampin) or high blood pressure medicines.

Precautions

Before using Viagra, tell your doctor your medical history, including any allergies, any penis conditions such as fibrosis/scarring, history of painful/prolonged erection, sickle cell anemia, blood system cancers or Peyronie's disease, eye problems. kidney or liver disease, bleeding disorders or active stomach ulcers, heart diseases, stroke or severe high or low blood pressure. Limit alcohol intake, as it may aggravate side effects. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. The elderly may be more sensitive to the side effects, therefore caution is advised in this group.

Who should NOT take Viagra

Viagra® can NOT be taken if you are taking Nitrate (nitroglycerine) type medicine. Your suitability will be assessed by our medical team in a free online consultation. It should be used with caution with men who have medical conditions that may cause a sustained erection such as sickle cell anemia, multiple myeloma, or leukemia.