The latest study by researchers from North western University in the US warned that Men who take drugs for hair loss or enlarged prostate may experience erectile dysfunction. The longer exposure to drugs had a higher risk of getting persistent erectile dysfunction (Impotency) which could continued in some cases the problem may exist for long even months or years despite stopping these drugs. But among young men, this prolonged exposure to the drugs may pose greater risk of persistent erectile dysfunction (PED) than all other assessed risk factors.
Also which means while using these drugs there will be a strong effect of having PED also in some having diabetes, hypertension or smoking, which are other risk factors. Erectile dysfunction (Impotency) is difficulty achieving and maintaining a sufficient erection to have sex may continued despite taking sildenafil (Viagra) or similar sex driving drug which even continue despite stopping the drugs.