BLOKES taking a baldness medication have complained it shrunk their manhood.

Forty-one reported a after using Finasteride, while more than 400 said they suffered impotence.

Rear view of a bald man in a dark turtleneck sweater, looking out at a field.Blokes taking a baldness medication have complained it shrunk their manhood (stock picture)

A further 306 men moaned of losing interest in sex — while two said their had risen.

They were among 2,778 reports of side effects logged with the Medicine and Healthcare products Regulatory Agency.

Others included or “man boobs”;.

Scores more say the drug — often sold under the brand name Propecia — caused pain in their scrotums, flatulence, blurred vision or toothache.

Prescription-only pill is one of the most common hair loss medications and is taken by tens of thousands in the UK alone.

It works by preventing testosterone turning into a hormone that can stop hair growing.

A Freedom of Information req-uest to drug watchdog MHRA also revealed there were 16 claims linking it to suicides and 200 people blamed it for .

Dr Alison Cave, MHRA chief safety officer, said: “Patient safety is our top priority.

“We have robust safety monitoring and surveillance systems in place for all healthcare products.

“When a safety issue is confirmed, we always act promptly to inform patients and healthcare professionals and take appropriate steps to mitigate any identified risk.

“It is important to note that a reaction reported to the Yellow Card Scheme does not necessarily mean it has been caused by the medicine, only that the reporter had a suspicion it may have.

“On the basis of the current evidence, the benefits of Finasteride outweigh the potential risks.”;