Red bumps on the skin are painless and itchy and may be caused by folliculitis, cherry angiomas, and syphilis rash. Depending on the cause, topical medications, physical therapy, and penicillin should be used.
1. Folliculitis: Bacterial infection can cause folliculitis, resulting in red bumps on the skin, some without accompanying symptoms. It can be treated with topical antibiotic drugs such as mupirocin ointment and erythromycin ointment.
2. Cherry angioma: it is a kind of common angioma, caused by capillary proliferation and expansion, which can lead to local red hemispherical papules, usually without pain or itching. Generally, no special treatment is needed. If it affects the aesthetics, it can be removed by physical therapy such as laser.
3. Syphilis rash: caused by syphilis spirochete infection, belongs to the sexually transmitted diseases, can lead to red skin rash. Penicillin is the drug of choice, penicillin allergy can be given ceftriaxone sodium alternative treatment.
There are more reasons for the appearance of painless red bumps on the skin. It is recommended to consult a doctor in a timely manner, cooperate with the doctor to actively treat, and use medication as prescribed by the doctor.