Treating erectile dysfunction (ED). It may also be used for other conditions as determined by your doctor.

Viagra is a phosphodiesterase inhibitor. It works by helping to increase blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection.

Do NOT use Viagra if:

* you are allergic to any ingredient in Viagra
* you have been advised by your doctor to avoid sexual activity because of heart problems
* you are taking nitrates (eg, isosorbide, nitroglycerin) in any form (eg, tablet, capsule, patch, ointment) or nitroprusside
* you use certain recreational drugs called “poppers” (eg, amyl nitrate, butyl nitrate)

Contact your doctor or health care provider right away if any of these apply to you.

Before using cheap Viagra :

Some medical conditions may interact with Viagra . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

* if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
* if you have allergies to medicines, foods, or other substances
* if you have a deformed penis (eg, Peyronie disease, cavernosal fibrosis), blood problems (eg, sickle cell anemia, leukemia, multiple myeloma), or any other condition that may increase the risk of a prolonged erection (eg, priapism)
* if you have a history of certain eye problems (eg, retinitis pigmentosa, sudden vision loss, optic neuropathy, macular degeneration)
* if you have a history of liver or kidney problems, high or low blood pressure, ulcers, bleeding problems, heart problems (eg, heart failure, irregular heartbeat, aortic stenosis, angina), or blood vessel problems
* if you have a history of heart attack, stroke, or life-threatening irregular heartbeat, especially within the past 6 months

Some MEDICINES MAY INTERACT with Viagra and viagra jelly. Tell your health care provider if you are taking any other medicines, especially any of the following:

* Alpha-blockers (eg, doxazosin), amlodipine, medicines for high blood pressure, nitrates (eg, isosorbide, nitroglycerin), or nitroprusside because severe low blood pressure with dizziness, lightheadedness, and fainting may occur
* Azole antifungals (eg, itraconazole), cimetidine, H2 agonists (eg, famotidine), HIV protease inhibitors (eg, ritonavir), macrolide antibiotics (eg, erythromycin), or telithromycin because they may increase the risk of Viagra ’s side effects
* Bosentan or rifampin because they may decrease Viagra ’s effectiveness

This may not be a complete list of all interactions that may occur. Ask your health care provider if Viagra may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

Erectile dysfunction or impotence in men refers to the inability of men to achieve and maintain an erection when they are sexually aroused. More than one in 10 men suffers from impotence problem in the UK. Impotence has become one of the most common disorders in men around the world today. If you have the same problems, you can do a medical consultation and buy impotence drugs such as Viagra, Levitra or Cialis.
Impotence may occur in men at any phase of their life, but it is more consistent in men above the age of 40 years. It is believed that about five percent of men above 40 years of age and up to twenty-five percent of men above 60 years of age may suffer from impotence or erectile dysfunction. So, you should not be embarrassed about your condition and should consult a doctor immediately. Your doctor shall advise you to limit alcohol consumption, quit smoking, reduce your stress level and get enough sleep.
If these primary treatments do not help you, your doctor might prescribe you impotence drugs such as Viagra, Cialis and Levitra.
Viagra is the oldest prescribed impotence treatment in the UK market today. Viagra acts on the chemicals in the body and widens the arteries of the penis. Viagra increases the blood-flow into the penis; thereby the erection stays longer and harder. Viagra helps men to get better erections and enjoy their sex lives. Viagra can only work on your body if you are sexually aroused.
Cialis is another revolutionary anti-impotence drug available for sale in the UK and EU markets. Tadalafil – the active ingredient in Cialis blocks the actions of the enzyme PDE5 and enhances blood flow to the penis. Cialis is an alternative drug to Viagra. Cialis stays and works in your body for 36 hours, whereas Viagra stays in the body for about four hours only. Cialis should be taken by only those men who are having erection issues during any stage of their sexual cycle.
Levitra comes from the same class of drugs like Cialis and Viagra. Levitra is the latest medication for men suffering from impotence or erectile dysfunction. Levitra relaxes the smooth muscles of the penis and accelerates the flow of the blood into the penis, when men are sexually aroused. Levitra stays and works in your body for about 8 hours.
All impotence medications – Viagra, Cialis or Levitra are only meant to treat sexual dysfunction in men and should not be taken by women. However, men taking medications containing nitrate should not take Viagra, Cialis or Levitra. The most common side effects of these drugs are headache, flushing, and blurred vision.