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adverse Effects Related To the Use of Generic Viagra part3

In rare cases, generic viagra causes an erection that lasts many hours. You should call a doctor immediately if you ever have an erection that lasts more than 4 hours. If not treated right away, permanent damage to your penis could occur.

This drug has also led to a number of cardiovascular diseases such as myocardial ischemia, cerebral thrombosis, angina pectoris, AV block, migraine, syncope, tachycardia, palpitation, hypotension, postural hypotension, abnormal electrocardiogram, cardiomyopathy, cardiac arrest, heart failure.

Some digestive side effects have also been reported with generic viagra such as dysphagia, gastritis, vomiting, glossitis, colitis, gastroenteritis, esophagitis, stomatitis, dry mouth, rectal hemorrhage, liver function tests abnormal or gingivitis.

Dermatologic side effect have included rash which was reported in at least 2% of patients. Other dermatologic side effects have included urticaria, herpes simplex, pruritus, sweating, skin ulcer, contact dermatitis, and exfoliative dermatitis.

Non-arteritic anterior ischemic optic neuropathy (NAION) along with the drug is responsible for vision problem. Many factors contribute to cause this disease such as hypertension, coronary artery disease, hyperlipidemia, low cup to disc ratio ("crowded disc"), age over 50, smoking and diabetes. It is unknown whether these events have relationship with the use of PDE5 inhibitors like viagra, to the patient's underlying vascular risk factors or anatomical defects or to other factors. You need a prescription to buy Viagra