Male Infertility May Be Linked to Overuse of Allergy Meds

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Researchers in Argentina reviewed several animal studies and found that antihistamines could affect fertility in men. Additional studies are needed, but this research suggests that overuse of prescription and over-the-counter allergy medicines commonly used to treat symptoms of hay fever, hives, and other allergic reactions can cause long-term male fertility problems.

According to researchers at the Instituto de Biologia y Medicina Experimental in Buenos Aires, several scientific papers have found adverse effects of antihistamines on testicular function. Their review suggests that allergy medicines probably affect the production of male sexual hormones in the testicles, which could alter sperm shape (morphology), decrease sperm mobility (motility), and lower sperm count.

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