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Professor W and the semen allergy

So says the web site of Prof. dr. Marcel D. Waldinger, MD, PhD, the go-to man for restless genital insights, whom we mentioned recently, also has insights about men who are allergic to their own semen. Kate Kelland of Reuters reported that he is a key investigator of this newly appreciated condition:

Semen allergy suspected in rare post-orgasm illness

A mysterious syndrome in which men come down with a flu-like illness after an orgasm may be caused by an allergy to semen, Dutch scientists said on Monday.

Men with the condition, known as post orgasmic illness syndrome or POIS and documented in medical journals since 2002, get flu-like symptoms such as feverishness, runny nose, extreme fatigue and burning eyes immediately after they ejaculate. Symptoms can last for up to week.

Marcel Waldinger, a professor of sexual psychopharmacology at Utrecht University in the Netherlands, published two studies in the Journal of Sexual Medicine which suggest that men with POIS have an allergy to their own semen, and that a treatment known as hyposensitisation therapy can help reduce its impact….

(Thanks to investigator David Kessler for bringing this to our attention.)

Improbable Research