Viagra

Viagra - Sildenafil citrate, sold under the names Viagra/Revatio (Brand Viagra) and other (Generic Viagra), is an oral drug used to treat erectile dysfunction/impotence and pulmonary arterial hypertension. Viagra developed by Pfizer.

 

Drug Name
Viagra (Sildenafil)

Drug Uses
Viagra is designed to cure erectile dysfunction. Viagra enhances organism's ability to get and maintain erection during sexual arousal.

Terms of Use
The medicine should be used in case of its necessity an hour before sexual intercourse. Actually, Viagra can be used every time from 4 hours to half an hour before sexual intercourse.

Drug Mechanism and Class
Viagra belongs to a class of phosphodiesterase inhibitors. It's effect lies in assisting blood flow to phallus to get and maintain erection.

Missed Dose
Viagra is taken according to necessity, so a missed dose is not applicable to it. If Viagra dosage is missed, you can use it when you need. If the time for your next dosage is coming, miss this dosage and use the remedy at the next scheduled time. Don't use additional remedies to supply the missed dose.

Storage
Medicine should be kept in its package. Keep at 77 degrees F (25 degrees C); temperature limits are 59-86 degrees F (15-30 degrees C).

Precautions/Warnings
Don't use Viagra if you're using any type of nitrate medicine, as well as nitroglycerin patches (Transderm-Nitro, Nitro-Dur), nitroglycerin tablets (Nitrostat, Nitro-Bid), nitroglycerin ointment (Nitrol, Nitro-Bid), or isosorbide pills (,Isordil, Dilatrate-SR, Sorbitrate). Using Viagra in conjunction with these medicines can lead to a strong lowering in blood pressure. If you possess heart disease strong enough for sexual intercourse to become a danger, Viagra usage should be avoided. Take it carefully if you've experienced a heart stroke, attack, or dangerous irregular pulse during the last half a year. Also be careful if you possess strong low or high blood pressure, unstable angina or heart failure. If using Viagra you make cardiac symptoms (as nausea, dizziness, and chest pain) stronger within sexual intercourse, don't take it more. Inform your physician of the problem as soon as you can. If you are exposed to the state in which prolonged erections can occur, for example, multiple myeloma, leukemia or sickle cell anemia, be careful when taking Viagra. Also be careful if you possess a genital trouble or deformation like Peyronie's disease. If the duration of erection is over 4 hours, call your doctor immediately. It can lead to constant damage and erectile dysfunction. Be careful taking Viagra, if you suffer from stomach ulcer, bleeding disorder, or inherited vision disease called retinitis pigmentosa. There have been no researches whether Viagra is safe to use having these diseases.

Possible Negative Effects
If you overcome any of the mentioned adverse conditions, avoid using Viagra and call for immediate medical attention or inform your physician as soon as possible:

• allergic reaction;
• irregular pulse or chest pain;
• legs or ankles puffiness;
• short breath;
• strong or long dizziness;
• long (over 4 hours) and painful erection;
• angina, nausea, dizziness.

Other, less dangerous negative effects are more often to occur. Don't stop taking Viagra and inform your physician if you overcome

• headache
• flushing
• mild dizziness;
• diarrhea;
• nose congestion;
• rash or itching;
• several troubles with vision.

It's possible for other adverse conditions to occur. Inform your physician of any such condition, which appears to be not usual and bothering.

Detailed Information
If your age is over 65, side effects for you are more likely. Your physician can prescribe a smaller dosage of this remedy.