Sildenafil & Vardenafil

Viagra brand 100mg is one of the most widespread medical preparations that comes to mind at once when men start thinking about such unpleasant male problem as erectile dysfunction. This was the first medicine that appeared on the market to cure the conditions of this type and with years its popularity has become incredible. Actually, now we can speak about the phenomenon of Viagra that influenced the whole industry.

Viagra (Sildenafil) works effectively making muscles of penis relaxed. Thanks to it there is no problem with blood circulation and this eliminates the problem of erection.

Take this medicine by mouth with a glass of water. The dose is usually taken 1 hour before sexual activity. You should not take the dose more than once per day. Do not take your medicine more often than directed. Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Viagra should not be taken with some other medication that contains nitrate or medications, which are also called "poppers". It can entail unfavorable consequences, such as drop in blood pressure.

This medicine may also interact with the following:

• certain drugs for high blood pressure
• certain drugs for the treatment of HIV infection or AIDS
• certain drugs used for fungal or yeast infections, like fluconazole, itraconazole, ketoconazole, and voriconazole
• cimetidine
• erythromycin
• rifampin

If you notice any changes in your vision while taking this drug, call your doctor or health care professional as soon as possible.

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• breathing problems
• changes in hearing
• changes in vision, blurred vision, trouble telling blue from green color
• chest pain
• fast, irregular heartbeat
• men: prolonged or painful erection (lasting more than 4 hours)
• seizures

Vardenafil as well as Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Vardenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Vardenafil online does not cure erectile dysfunction or increase sexual desire. Vardenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV).