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Do not take Cialis for erectile dysfunction if you are taking Adcirca for pulmonary arterial hypertension. Do not take this medicine in larger or smaller amounts or for longer than recommended. Stop using Cialis and get emergency medical help if you have sudden vision loss.

This allows for increased blood flow, which can help you develop an erection. If you can’t produce an erection, it may be possible that you’re suffering from physical conditions like heart disease or diabetes that affect blood flow. Mental afflictions, like anxiety or depression, can also keep you from getting hard.

When PDE5 is blocked, cGMP levels increase, leading to the relaxation of smooth muscle cells in blood vessels. This increases blood flow, which can help treat conditions like erectile dysfunction and pulmonary hypertension. PDE5 inhibitors improve symptoms of erectile dysfunction (ED) by preventing the breakdown of a substance called cyclic GMP (cGMP). CGMP acts as a vasodilator, which means it relaxes smooth muscle and widens blood vessels allowing more blood flow into tissue. This also increases blood flow into the corpus cavernosum