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Psoriasis, methotrexate, and oligospermia

A Sussman, J M Leonard

    Archives of Dermatology
    |February 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Methotrexate treatment for psoriasis can cause severe oligospermia (low sperm count) in men. This effect on sperm production is reversible upon drug discontinuation, with normal sperm counts returning.

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    Area of Science:

    • Reproductive medicine
    • Dermatology
    • Pharmacology

    Background:

    • Psoriasis is a chronic autoimmune skin condition.
    • Methotrexate is a common immunosuppressive drug used for severe psoriasis.
    • The impact of methotrexate on male fertility requires further investigation.

    Observation:

    • A young male patient with severe psoriasis experienced severe oligospermia during two separate periods of methotrexate treatment.
    • Serial seminal fluid analyses confirmed the low sperm count.
    • Hormonal levels (gonadotrophins and testosterone) remained within normal ranges.

    Findings:

    • Methotrexate administration was temporally associated with severe, reversible oligospermia.
    • Spermatogenesis inhibition by methotrexate appears independent of gonadotrophin and testosterone levels.

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  • Discontinuation of methotrexate led to the normalization of sperm concentration.

    • Implications:

    • Clinicians should be aware of the potential for methotrexate-induced oligospermia in male patients.
    • Fertility monitoring may be warranted for men undergoing long-term methotrexate therapy for psoriasis.
    • The reversible nature of this side effect offers hope for fertility recovery after treatment cessation.