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Viagra is used for the treatment of male erectile dysfunction
The drug acts by relaxing the muscles in the penis region, which helps in the increased flow of blood. When the blood flow increases, the penis gets stronger and the erection last longer.
Viagra has to be taken only according to the doctor's prescription. Never take larger doses as it can only increase the risk of side effects. The drug has to be taken about 30 minutes ahead of any sexual activity and it can be taken with or without food. It is recommended not to take Viagra more than once a day. It is not that you get erection once you have the drug but the erection takes place only by some sexual stimulation.
Well, if you suspect to have taken an overdose of Viagra, it is better to contact the doctor immediately. Irregular heartbeat, Chest pain, nausea and feeling light-headedness are some of the symptoms of Viagra overdose.
Before taking the drug, you have to inform your doctor about all your allergic reactions. Tell him if you have allergies to any particular medicine, food or any substance, including Viagra.
Your doctor should also know if you have any heart disease, coronary artery disease, high or low blood pressure, liver and kidney disease, blood cell disorders like sickle cell anemia, leukaemia or multiple myeloma, bleeding disorder, stomach ulcer, retinitis pigmentosa and physical deformity of the penis. Your doctor may go for dosage adjustment if you have any of these conditions.
The drug is also known to cause vision problems. But this has only occurred in some people who have diabetes, heart problems, high cholesterol and high blood pressure. But there is no evidence to show that the vision problem was due to the use of Viagra. Well, if you come across vision problems, take an appointment with the doctor.
While taking Viagra, you should avoid drinking alcohol. Other impotency drugs should also be avoided while taking Viagra. You should also avoid nitrate drugs and recreational drugs while taking Viagra.
Viagra is also known to interact with certain medicines. So it is better to inform your doctor if you are taking any other medicine. Drugs like bosentan, cimetidine,
Conivaptan, diclofenac, imatinib, antidepressants, antibiotics and heart or blood pressure medication, should be avoided along with Viagra.
Well if you come across dizziness, chest pain, neck or jaw pains during sexual activity, you have to stop the drug and call your doctor right away. The drug also comes with allergic reactions and also with many side effects. Some of the allergic reactions that you can experience with Viagra are difficulty breathing and swelling of face, lips, tongue or throat.
You have to stop the drug if you come across serious side effects like sudden vision loss, sudden hearing loss, ringing in ears, chest pain, irregular heart beat, sweating, pain spreading to the arm or shoulder, nausea, swelling in hands, ankles, or feet, shortness of breath and erection that lasts for more than 4 hours.
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