The appearance of brown spots on the stomach may be due to seborrheic keratosis, lichen planus, coffee spots and so on.
1. Seborrheic keratosis: it is a common benign skin proliferative tumor in the elderly, which may be related to sun exposure and chronic inflammation stimulation, and may lead to brown spots on the stomach.
2. lichen planus: long-term use of glucocorticoid drugs, immunomodulators, antibiotics, etc. may cause a decline in the skin’s defense function, the growth and reproduction of malassezia bacteria caused by lichen planus, which may also lead to the appearance of brown spots on the stomach.
3. Coffee spot: it is a congenital skin disease, the cause of which is still unclear, manifested as brown or dark brown patches on the skin.
The appearance of brown spots on the stomach, there may be other reasons, need to go to the hospital in time to check, clear cause.