You can become allergic to your own orgasms if you don't understand why.

A study published in the journal Urology Case Reports shows how a once perfectly healthy man suddenly developed severe allergic reactions after ejaculating.

According to the study, the man had flu-like symptoms after an orgasm, such as sneezing, coughing, and a hive rash on his forearms.

Whenever he had an orgasm, the allergies would flare up, even if he masturbated or had sex.

The patient began to notice the symptoms when he was 18. The man was so sick that he didn't even want to have sex anymore.

The symptoms lasted between 2 to 7 days.

Post-orgasmic illness syndrome is what he is suffering from. POIS is very rare and he may not be the only one.

There are only around 60 documented cases of POIS in medical literature but the number of people affected is likely higher.

Many health providers don't know about it and the public doesn't know about it. It's more than likely that it's underdiagnosed.

It's no surprise that the patient was wrongly diagnosed after visiting several different specialists.

Antibiotics did not help with his symptoms. Semen analyses and testosterone levels were all unremarkable.

What caused the symptoms?

Damage to the testicles may be the reason for POIS.

He explained that there are Sertoli cells that nurture and surround sperm. When the Sertoli cells are damaged, the sperm is exposed to the immune system for the first time and the immune system attacks it like it is a virus or foreign bacterium.

In the past, injecting patients with their own semen has been shown to be effective in the treatment of POIS. It took a long time before symptoms improved and were expensive.

Fexofenadine, an inexpensive drug used to treat hay fever, was found to be the most effective with a 90 percent improvement in symptoms.

It's a promising start that more research will have to be done to evaluate fexofenadine's safety and effectiveness.

Bad news about sexual health, scientists say eating too many vegetables may make your balls look smaller.