Viagra: A Proven Drug in Impotence Treatment

Generic viagra is available in market as an impotence treatment drug. The generic name of this dug is Sildenafil. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.

Before taking Viagra, the patients are warned to inform the doctor about their complete medical history. Some medical condition may not be suitable for use of this drug. Therefore the following condition should be informed to doctor prior use: liver disease; kidney disease; a stomach ulcer; high or low blood pressure; coronary artery disease; heart disease or heart rhythm problems; congestive heart failure. Besides the case such as a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia; a bleeding disorder such as hemophilia should be informed to doctor. This medication should not be sued by anyone who has been told not to have sexual intercourse for health reasons.

A single oral dosage of 100 milligrams for GenericViagra should be taken once a day. In patients having any problems with kidneys or taking a diuretic or for adults over the age of 65, the starting dose may be different according to the doctor's guidance.

Viagra is usually taken about 1 hour before sexual activity; however, it may be taken anywhere from 4 hours to a half hour before sexual activity.

Side effects are common with any ED drugs including viagra. The patient may develop adverse effects such as headache (severe or continuing); heart failure; hives; increase in size of pupil; increased sweating; increased thirst; itching of skin; low blood pressure; fast, irregular, or pounding heartbeat; migraine headache; nausea (severe or continuing); nervousness. Other side effects not listed above may also take place in some patients. If you notice any other effects, check with your doctor: feeling of something in the eye; groups of skin lesions with swelling; lower back or side pain; numbness of hands; painful, swollen joints; redness, itching, or tearing of eyes; shortness of breath or troubled breathing; skin paleness; skin rash; skin ulcers; sore throat and fever or chills. If Viagra causes an allergic reaction, keep away from use of it again.

Smoking should be avoided while taking viagra because it may increase risk for a serious eye problem called NAION. Besides, if it is taken by patients who have stroke, history of (within the last 6 months), it may raise the incidence.

In people who have abnormal penis, including curved penis and birth defects of the penis, the chance of problems is greater.

Sildenafil should not be taken with other medicines used for treatment of erectile dysfunction. Use them together may create problem later. In case of r etinitis pigmentosa, the chance is high.

You should tell all your doctor that you take sildenafil . If you need emergency medical care for a heart problem, it is important that your healthcare provider knows when you last took sildenafil.

Viagra should not be taken in patients t aking any nitrate-based drug, including nitroglycerin patches (Nitro-Dur, Transderm-Nitro), nitroglycerin ointment (Nitro-Bid, Nitrol), nitroglycerin pills (Nitro-Bid, Nitrostat), and isosorbide pills (Dilatrate-SR, Isordil, Sorbitrate). Combining Viagra with these drugs can decrease the level of blood pressure.