Localized Acquired Hypertrichosis After Long-Term Repeated Cupping Therapy: A Case Report

A 51-year-old male developed localized acquired hypertrichosis, characterized by excessive hair growth, in areas subjected to repeated cupping therapy over approximately two years. The hair growth was confined to the specific sites on the left posterior neck and upper trapezius region where cupping was applied once or twice weekly, with no similar growth in surrounding areas. This case suggests that long-term repeated cupping therapy may lead to unexpected localized hair growth, highlighting the need for clinicians to consider potential cutaneous reactions when using this treatment.