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By LAURA CLARK and ALEX BULLER, Daily Mail. The youngster and five fellow pupils, all aged 12 and 13, were taken to hospital after swallowing the powerful anti-impotence drug. He has now been suspended from his high-achieving school for coversyl 5 mg generique viagra which placed other pupils at risk'. The six boys each took one of the blue tablets, but a classmate became concerned and alerted staff at the Forest School, Winnersh, Berkshire. The pupils efecte viagra tinericrestini taken to the Royal Berkshire Hospital, Reading. An ambulance service spokesman said: 'Their conditions were monitored regularly.

Viagra and its competitors work by slightly dilating arteries so that blood flow in the penis increases. Whether it affects blood flow to the eye isnāt known, but Pomeranz argued that some effect on the optic nerve is plausible. So he urged that ophthalmologists ask NAION patients whether they use impotence drugs, and report any additional cases. Also, Viagra users who suffer NAION in one eye should be cautioned that continued use might raise the risk of vision efecte viagra tinericrestini in the other eye, Pomeranz wrote. The loss of vision is permanent. Pomeranz told MSNBC Friday that "the drug is doing something to alter bezalip retard 400 mg generico do viagra circulation of blood to the optic nerve and in turn causing an injury to the nerve resulting in a loss of vision. " The patients in the study had a history of high blood pressure and an anatomical risk factor involving the optic nerve.

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John Pettigrew, 58, a heating engineer, said he is suffering from a permanent side-effect after taking extra pills that he bought on the internet. The father-of-two said he regrets not heeding the advice of doctors and drug manufacturer Pfizer after only being able to see the world in shades of blue. "I admit I ignored the advice on the packet," he said yesterday. "I was having too much fun. "But I'd give up all the sex in the world to be able to see a red letterbox again.

FDA Drug Prescribing Warnings: Is the Black Box Half Empty or Half Full. Retrieved from https:www. ncbi.]