What Causes Bumps on the Scrotum?
Generally, bumps appearing on the scrotum may result from local heat and humidity, follicular obstruction, scrotal eczema, folliculitis, or sebaceous cysts. If any discomfort arises, it is advisable to seek timely evaluation and treatment at a reputable hospital. A detailed analysis follows:
1. Local Heat and Humidity
Prolonged sitting or wearing non-breathable clothing can cause sweat accumulation in the scrotal area, irritating the skin and leading to mild, raised bumps. Switching to loose-fitting, breathable cotton underwear, avoiding prolonged sitting, and maintaining dry, clean scrotal skin are recommended.

2. Follicular Obstruction
Excessive sebum production in the scrotal skin may lead to accumulation and blockage of hair follicle openings, resulting in painless, tiny bumps. Daily gentle cleansing of the genital area with warm water, maintaining good skin hygiene, and reducing intake of greasy and spicy foods are advised.
3. Scrotal Eczema
This inflammatory skin condition may be triggered by allergies or local irritation, presenting as papular bumps accompanied by pruritus and erythema. Antihistamines such as loratadine tablets or ebastine tablets, along with calamine lotion, may be prescribed per physician guidance. Keeping the genital area dry and refraining from scratching are essential.
4. Folliculitis
Bacterial invasion of scrotal hair follicles causes infection, resulting in erythematous, swollen, inflamed follicles and tender, inflammatory bumps. Topical antibiotics such as mupirocin ointment or erythromycin ointment, and oral antibiotics like amoxicillin capsules, may be prescribed per physician guidance. Avoid squeezing the bumps to prevent infection spread.
5. Sebaceous Cyst
Chronic obstruction of sebaceous gland ducts leads to sebum accumulation, forming benign, elevated bumps; secondary infection may cause swelling and pain. Topical fusidic acid cream or oral antibiotics such as cefalexin capsules or clindamycin capsules may be prescribed per physician guidance. Surgical excision of the sebaceous cyst may be required if the cyst is large.
In daily life, maintain cleanliness and dryness of the genital area, wear loose, breathable clothing, avoid prolonged sitting and urinary retention, follow a bland diet, and promptly seek medical evaluation and intervention if bumps are associated with pruritus, swelling, or pain.