Medics who documented the case said there have only been six other reported incidents of this type of reaction in patients taking sildenafil, most commonly known by the brand Viagra. Medics who documented the case said there have only been six other reported incidents of this type of reaction in patients taking sildenafil, most commonly known by the brand Viagra.
Elderly man coughs up blood for three days after taking Viagra in an extremely rare reaction to the libido-boosting drug
