Covid. German doctor Axel-Juerg Potempa claimed coronavirus infections could lead to problems achieving an erection in male patients months after they've recovered.In an analysis of the effects of the virus on men, Dr Potempa said coronavirus can "inhibit the formation of sex hormones and testosterone".He said the condition can be treated with medicines such as Viagra, which increases the blood supply in the male reproductive organs, but said it can take several months for it to work.Dr Potempa said he is currently treating 32 people who are experiencing erection problems due to Covid infections.He claimed: "A mild infection is no guarantee that a person will be spared from long-term effects"Corona also inhibits the formation of sex.