What causes numerous small red bumps on the back?

Nov 04, 2021 Source: Cainiu Health

Dr. Yan Min

Introduction

Small bumps appearing on the back are most likely folliculitis resulting from bacterial infection. This condition typically presents as scattered, red papules. Pressing on them may cause noticeable pain, and scratching or irritation may lead to bleeding. Folliculitis is directly associated with elevated levels of androgens in the body or irritation from sweat.

Small bumps appearing on the back are most likely folliculitis resulting from bacterial infection. This condition typically presents as scattered, red, small papules. Pressing on them may cause noticeable pain, and scratching or irritation may lead to bleeding.

This condition is directly associated with elevated levels of endogenous androgens or skin irritation caused by sweat. Treatment should combine oral and topical medications. Oral minocycline or clarithromycin is recommended, along with topical application of Bactroban (mupirocin) ointment or fusidic acid ointment, which can effectively resolve the condition within a short period.

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In daily life, avoid staying up late and limit intake of spicy or irritating foods to prevent recurrence.

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