Viagra to treat erectile dysfunction and signs and symptoms of BPH. Tadalafil is also used in both men and women to treat the symptoms of pulmonary arterial hypertension to improve your ability to exercise. This is high blood pressure that occurs in the main artery that carries blood from the right side of the heart the ventricle to the lungs. When the smaller blood vessels in the lungs become more resistant to blood flow, the right ventricle must work harder to pump enough blood through the lungs. Tadalafil works on the PDE5 enzyme in the lungs to relax the muscles in the lungs to allow the space needed for the treatment of angina. Tadalafil works on the PDE5 enzyme in the lungs to relax the blood vessels. This will increase the supply of blood to the lungs and reduce the workload of the heart. In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:. Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals.
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Sildenafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking sildenafil Viagra or other drugs similar to avanafil. Most of these people also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old. It is not clear whether avanafil is the actual cause of vision loss. Take Stendra exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. This list is not complete. Other drugs may interact with avanafil, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Stendra only for the indication prescribed. This really is a question for your doctor.
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Sildenafil citrate is the active substance potentially pronounced in the present study. Another widespread, but serious, side effect of vardenafil is found in other PDE5 inhibitors such as tadalafil tablets. Most of these people also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old. It is not clear whether vardenafil is the actual cause of vision loss. Remove an orally disintegrating tablet from the package only when you are ready to take the medicine. Place the tablet in your mouth and allow it to dissolve without chewing. Swallow several times as the tablet dissolves. Do not take Staxyn with liquid. Vardenafil is taken only when needed, about 60 minutes before sexual activity. The medicine can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours.viagra pill cost