Taking Viagra could have some unwanted side-effects, including flatulence, it has emerged. According to research by watchdog the Medicines and Healthcare products Regulatory Agency (MHRA), windiness is among the symptoms reported.
Others include lip swelling, while seven people claimed to have fainted after taking it, according to The Sun. In fact, there are 555 possible side-effects - but it's not clear that they are all linked to Viagra.
Hearing loss is another effect reported by 10 people - and Playboy boss Hugh Hefner claimed the drug was affecting his hearing before his death aged 91.
The MHRA records possible effects of drugs in order to highlight dangers. The manufacturer of the anti-impotence drug said its safety record is "well
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