Brief Update on Dermatologic Uses of Methotrexate

Area of Science:

• Dermatology
• Pharmacology

Background:

• Methotrexate (MTX) is an antimetabolite originally for anti-neoplastic use.
• It functions as a folate analog, inhibiting dihydrofolate reductase and pyrimidine synthesis.

Purpose of the Study:

• To review the efficacy and safety of Methotrexate in dermatologic conditions.
• To highlight its varied roles as an anti-inflammatory, immunomodulator, and antimetabolite.

Main Methods:

• Literature review of Methotrexate's use in dermatology.
• Analysis of its mechanism of action and clinical applications.

Main Results:

• MTX is effective for psoriasis, atopic dermatitis, chronic urticaria, pemphigus vulgaris, bullous pemphigoid, cutaneous lupus erythematosus, cutaneous sarcoidosis, and mycosis fungoides.
• Variable dosing and administration routes allow for use in diverse patient populations.
• Potential adverse effects include hematologic, pulmonary, gastrointestinal, and hepatic complications.

Conclusions:

• Methotrexate is a valuable therapeutic option for numerous dermatologic diseases.
• Its mechanism of action allows for versatile applications depending on dosage.
• Close medical supervision is crucial to manage potential adverse events.