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What does it mean if there are many small granules in the coronal groove, and what should be done?

Sep 18, 2025 Source: Cainiu Health
Dr. Yang Ziqi
Introduction
In general, the main causes of small granules appearing in the coronal sulcus include pearly penile papules, ectopic sebaceous glands, genital warts, genital herpes, and candidal balanitis. If any discomfort symptoms occur, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. In daily life, maintain good personal hygiene by cleaning the external genital area daily; avoid unhygienic sexual practices and use proper protective measures.

Under normal circumstances, the main causes of small granules in the coronal groove include pearly penile papules, ectopic sebaceous glands, genital warts, genital herpes, and candidal balanitis. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. Detailed analysis is as follows:

1. Pearly Penile Papules

Pearly penile papules are caused by epithelial hyperplasia along the edge of the coronal sulcus of the penis, related to local irritation and physiological development, and are non-contagious. No specific treatment is required; maintaining local hygiene, avoiding excessive friction, and reducing irritation are sufficient.

2. Ectopic Sebaceous Glands

This condition involves abnormal distribution and hyperplasia of sebaceous glands in the coronal groove, triggered by hormonal changes or local irritation, usually without significant discomfort. Keeping the area dry and clean, wearing loose and breathable underwear, and avoiding pressure are recommended. No special treatment is needed, but if appearance is a concern, consult a doctor for possible physical treatments.

3. Genital Warts

Caused by human papillomavirus (HPV) infection leading to abnormal epithelial cell proliferation, transmitted through sexual contact. The granules gradually increase in size and number. Topical treatments such as imiquimod cream, podophyllotoxin tincture, or fluorouracil ointment may be used under medical guidance. Procedures like high-frequency electrocautery or laser ablation are also options. Sexual activity should be avoided during treatment.

4. Genital Herpes

Caused by herpes simplex virus infection, where viral stimulation leads to blister-like granules on the local skin and mucous membranes, accompanied by pain and itching. Oral antiviral medications such as acyclovir tablets, valacyclovir tablets, or famciclovir tablets can be taken under medical supervision. Keep the affected area clean and dry, avoid scratching, and prevent secondary infection.

5. Candidal Balanitis

Inflammation of the glans and coronal groove caused by Candida infection, presenting as white pinpoint granules on the mucosa, accompanied by itching and redness. Topical antifungal creams such as clotrimazole cream, miconazole nitrate cream, or terbinafine hydrochloride cream may be applied under medical guidance. Avoid sexual activity during treatment, maintain personal hygiene, and change underwear frequently.

In daily life, attention should be paid to personal hygiene, including daily cleaning of the external genitalia; avoid unhygienic sexual practices and use proper protection; wear loose, breathable underwear to reduce local friction; undergo regular reproductive health check-ups to detect abnormalities early; and avoid self-medication to prevent delays in diagnosis and treatment.

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