Viagra (Sildenafil)

Viagra is used to treat impotence in men. It increases the body's ability to achieve and maintain an erection during sexual stimulation.

Viagra should be taken as needed about 1 hour before sexual activity. However, Viagra can be taken anytime from 4 hours to 30 minutes before sexual activity.

Viagra is a phosphodiesterase inhibitor. It works by helping the blood flow into the penis to achieve and maintain an erection.

Viagra is used as needed, so you are not likely to miss a dose. If you miss a dose of Viagra, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

Keep Viagra in its original container. Store at 25 degrees C (77 degrees F); excursions permitted to 15-30 degrees C (59-86 degrees F).

Do not take Viagra if you are taking 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 cause a severe drop in blood pressure.

If you have intimate problems, serious enough to make sexual activity by danger, you should avoid to use Viagra. Use it cautiously if you had heart attack, impact, or intimate malfunctions dangerous to a life within the last 6 months. Be equally cautious, if you have serious high or the lowered pressure, cardiac arrest, or changeable quinsy.

If you take Viagra and develop intimate attributes (for example, dizziness, a nausea, and a pain of a breast) during sexual activity to not continue. Lead your doctor to a problem as soon as possible.

If you have a condition which could lead to long installations, type of an anemia of a cell of a sickle, repeated (illness of a bone brain), or leukaemias to use Viagra with caution. Also use cautiously if you have a sexual problem or ugliness, type of illness . If installation lasts more than 4 hours to search for processing immediately. Constant damage and powerlessness could end.

If you have the bleeding profusely disorder, a stomach ulcer, or the inherited condition of an eye known as retinitis pigmentosa, use Viagra with caution. Its safety under these circumstances has not been studied yet.

If you experience any of the following serious side effects, stop taking Viagra and seek emergency medical attention or notify your doctor immediately:

• Allergic reaction (breath of difficulty; closing of a throat; being inflated by lips, language, either the person; or beehives);
• Pain of a breast or irregular palpation;
• Tumour of anklebones or legs;
• Short wind;
• The prolonged or serious dizziness;
• Long (duration longer than 4 hours) or painful installation; or
• Dizziness, nausea, or quinsy (a pain, density, discomfort, tolerance, or pricking in a breast, the weapon, a neck, or a jaw).

• Washing off;
• The moderate dizziness;
• Headache;
• a congestion;
• Diarrhea;
• Temporary dark blue shade in vision or other deviations of vision; or
• an itch or a rash.

If you are over 65 years of age, you may be more likely to experience side effects from Viagra. Your doctor may prescribe a lower dose of this medication.