Many small red bumps on the back may be some physiological phenomenon, but also may be the manifestation of certain diseases, such as acne, folliculitis, eczema, psoriasis, etc., should be timely consultation to identify the cause of the disease.
1. Physiological factors: If the back is not cleaned properly, it may lead to many small red bumps on the back. There will be some dust and mites on the bedsheets and pillows, etc. If you don’t wash them for a long time, your back skin will come into contact with these dirt and germs, which will also lead to the appearance of many small red bumps on your back. So pay attention to personal hygiene in order to reduce the appearance of back acne.
2. Pathologic factors:
(1) Acne: small red bumps on the back may also be acne. If you don’t pay attention to personal hygiene, the clothes you usually wear are not well ventilated, or the acne bacteria are infected, it will lead to the appearance of small red bumps on the back with swelling and pain.
(2) Folliculitis: when the hair follicles on the skin of the back appear inflammatory reaction, there will be purulent pustules, at this time there will also be small red bumps appearing on the back, and you need to apply antibacterial and anti-inflammatory antimicrobial agents to alleviate the condition.
(3) eczema: often in a hot and humid environment, wearing chemical fiber underwear for a long time, poor breathability, allergic to the fabric of underwear, etc., eczema will occur. It will lead to the appearance of the back with many small red bumps, with obvious itching symptoms.
(4) Psoriasis: When psoriasis occurs on the back, it can manifest as scaly red spots and papules, and also small red bumps with itching.
If the symptoms persist, it is recommended to consult a doctor for examination and targeted treatment after clarifying the cause.