There are various reasons for the darkening of the skin of the stomach, including physiological factors and pathologic factors, such as allergic dermatitis, eczema and so on.
1. Physiological factors: the more common darkening of the stomach may be during pregnancy, due to the high level of estrogen and progesterone in the body, it will lead to the stomach or other parts of the body, such as the groin, armpits and other places there is obvious hyperpigmentation, which will cause the skin to darken. It will often return to normal after delivery, so don’t worry too much.
2. Pathologic factors: mainly caused by allergic dermatitis, eczema and other diseases.
(1) allergic dermatitis: allergic dermatitis local inflammatory reaction will destroy the tissue structure, and leave pigmentation caused by hyperpigmentation, which will cause the stomach black. Usually do not need treatment, with the passage of time, hyperpigmentation spots will slowly subside.
(2) eczema: it is possible and the use of drugs containing hormones, most patients will be with time skin color will slowly return to normal, eczema local inflammation subsides after the formation of post-inflammatory pigmentation, resulting in hyperfunction of pigment cells, the synthesis of melanin increased, can lead to skin pigmentation and blackening.
If the stomach black accompanied by other uncomfortable symptoms, it is recommended that patients seek medical attention in a timely manner to identify the cause of the disease and follow the doctor’s instructions to standardize the treatment.