Kamagra possible side effects by different body systems
Published December 22, 2011 | 
The use of Sildenafil was estimated in more than 3,700 males aged from 19 to 87 years of old. More than 550 patients were treated for a year. In placebo-controlled testing, the rate of termination of the therapy because of side effects directly linked to Sildenafil intake was approximately 2.5%. This figure was not meaningfully different in comparison to placebo (2.3%). The occurrence of adverse effects was dose-dependent.
Nervous system adverse reactions of Sildenafil included headaches in about 16% of patients. Other events from the nervous system were dizziness in 2%, and ataxia, hypertonia, neuralgia, neuropathy, paresthesias, tremor, vertigo, depression, insomnia, somnolence, abnormal dreams, decreased reflexes, and hypesthesia in less than 2% of the patients. Post marketing reports of Sildenafil have contained cases of anxiety, seizure and seizure recurrence.
Cardiovascular events were vasodilation or flushing in 10% and dizziness in 2% of patients. Other cardiovascular side effects such as angina pectoris, AV block, migraine, syncope, tachycardia, palpitation, hypotension, postural hypotension, myocardial ischemia, cerebral thrombosis, cardiac arrest, heart failure, abnormal electrocardiogram, chest pain, and cardiomyopathy have been linked to the Sildenafil taking in less than 2% of patients.
Gastrointestinal side events were dyspepsia (7%) and diarrhea (3%). Infrequent gastrointestinal events were: abdominal pain, vomiting, glossitis, colitis, dysphagia, gastritis, gastroenteritis, esophagitis, stomatitis , abnormal liver function tests, rectal hemorrhage, and gingivitis.
Respiratory side effects reported during clinical studies included nasal congestion (4%), wheezing, dyspnea, laryngitis, pharyngitis, sinusitis, bronchitis, increased sputum production, and cough.
Genitourinary side effects recorded during the researches were urinary tract infection in 3% of patients. Cystitis, nocturia, urinary frequency, breast enlargement, urinary incontinence, abnormal ejaculation, genital edema, and anorgasmia were noticed in less than 2% of patients.
Prolonged erection longer than 6 hours called priapism have been announced rarely.
