What Viagra is used for
Viagra is used to treat erectile dysfunction, commonly known as impotence, in men. This is when a man can not get or keep a hard penis erection suitable for sexual activity.
Viagra belongs to a group of medicines called phosphodiesterase type 5 inhibitors.
It works by dilating blood vessels in your penis when you are sexually excited. This allows blood to flow into the penis, which allows you to get an erection naturally.
Before taking Viagra
When you must not take
DO NOT TAKE VIAGRA OR IF YOU TAKE Nitrates NITRITE medications. IT IS NATURE TO SERIOUS DECLINE IN YOUR BLOOD PRESSURE WHICH CAN BE DIFFICULT TREAT.BECAUSE SEXUAL ACTIVITY PLACE May STRAIN ON YOUR HEART, your doctor NEED WILL DETERMINE WHETHER YOU ARE FIT ENOUGH TO TAKE Viagra.
Do not take Viagra if you are being treated for angina (chest pain) or other heart diseases with drugs called nitrates.drugs include nitrate glyceryl trinitrate (nitroglycerin also called). Common trade names for glyceryl trinitrate tablets include the trade names Anginine and glyceryl trinitrate patches Lycinate.Common to include Nitro-Dur, Nitro-Transiderm, Nitroderm TTS Minitran.Common and trade names for glyceryl trinitrate sprays include Name nitrolingual Glytrin.Trade and for glyceryl trinitrate include injections glyceryl trinitrate concentrated and glyceryl trinitrate.
Do not take Viagra if you take stimulating guanylate cyclase (GCS) of such Adepmas (riociguat).GCS is a type of drug used to treat high blood pressure in the blood vessels in the lungs caused by blood clots in the lungs (chronic thromboembolic pulmonary hypertension, CTEPH) or narrowing of the vessels that the retention of blood from the heart to the lungs (pulmonary hypertension or PAHs).
Do not take Viagra if you:
have heart or blood vessel problems that make inappropriate sex
have had a heart attack or stroke within the last 6 months
have severe liver problems
have a blood pressure which is abnormally high or low or not treated effectively
loss of vision in one or both eyes from an eye disease called non-arteritic anterior ischemic optic neuropathy (NAION)
have an eye disease called retinitis pigmentosa.
Tell your doctor if you have other medical conditions.
If you have not told your doctor or pharmacist of all the above, tell him / her before you start taking Viagra.
Taking other medicines
Tell your doctor or pharmacist if you are taking other medicines, including medicines you buy without a prescription from a pharmacy, supermarket or food shop.Do not take Viagra if you are taking or using drugs nitrate to angina.Do not take Viagra if you take stimulating guanylate cyclase (GCS) of such Adepmas (riociguat).
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