A gel made from the anti-impotence drug Viagra (sildenafil) could ease one of the main side-effects for cancer patients undergoing radiotherapy

A gel made from the anti-impotence drug Viagra (sildenafil) could ease one of the main side-effects for cancer patients undergoing radiotherapy. Up to 85 per cent of those who have radiotherapy experience painful, red, or blistered skin around the area treated. The longer the treatment lasts, the worse this can be, as the same area…