What Viagra is used for
Viagra is used to treat erectile dysfunction, more commonly known as impotence in men. This is when a man can not get or maintain an erection hard penis suitable for sexual activity.
Viagra belongs to a group of drugs called phosphodiesterase type 5.
It works relaxing blood vessels in the penis when you are sexually aroused. This allows the blood flow to the penis, allowing you to get an erection naturally.
Before taking Viagra
When not to take it
You should not take Viagra if you are taking nitrates or nitrite drugs. It may lead to a sharp drop in blood pressure, which can be difficult to TREAT.BECAUSE sexual activity can put a strain on your heart, your doctor will must check whether you are fit to take Viagra.
Do not take Viagra if you are being treated for angina (chest pain) or other heart conditions with medicines called nitrates.Nitrate include glyceryl trinitrate (also known as nitroglycerin). Common trade names for tablets of glyceryl trinitrate include names for commercial Anginine and Lycinate.Common trinitrate patches include Nitro-Dur glyceryl, Transiderm-Nitro, Nitroderm TTS, and Minitran.Common names for commercial aerosols trinitrate include glyceryl Nitrolingual names and Glytrin .Trade for glyceryl trinitrate injections include glyceryl trinitrate Concentrate and glyceryl trinitrate.
Not take Viagra if you are taking stimulators of guanylate cyclase (GCS), as Adepmas (riociguat) .GCS is a medicine used to treat high blood pressure in the blood vessels of the lungs caused by blood clots in the lungs (chronic thromboembolic pulmonary hypertension, HPTC) or narrowing of vessels that carry blood from the heart to the lungs (pulmonary arterial hypertension or HAP).
Do not take Viagra if you:
They have heart or blood vessel problems that make it advisable sex
They have had a heart attack or stroke in the last 6 months
It has severe liver problems
has blood pressure is unusually high or low or is not effectively treated
having vision loss in one or both eyes of an eye disease called non-arteritic anterior ischemic optic neuropathy (AION NA)
have an eye disease called retinitis pigmentosa.
Tell your doctor if you have any other medical condition.
If you have not told your doctor or pharmacist about any of the above, tell him / her before you start taking Viagra.
Using other medicines
Tell your doctor or pharmacist if you are taking other medicines, including medicines obtained without a prescription at a pharmacy, supermarket or health food shop.Do not take Viagra if you are taking medication or using nitrate angina.Do not take Viagra if you are taking stimulators of guanylate cyclase (GCS) as Adepmas (riociguat).
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