The darkening and odor of underarms may be related to dirt accumulation, acanthosis nigricans, and hyperhidrosis, etc. General treatment, medication, and surgical treatment can be considered.
1. Accumulation of dirt: It is possible that the patient does not pay attention to hygiene, which leads to the accumulation of dirt and bacterial reproduction, resulting in the darkening of the local skin accompanied by a bad smell. It is recommended that patients wash their armpits carefully, take baths and change clothes frequently.
2. Acanthosis nigricans: commonly associated with obesity, heredity, etc., commonly found in the armpits, neck skin folds where the skin turns black, may also be accompanied by itching or odor. You can consider using vitamin A ointment or coal tar ointment externally.
3. Foul sweat: due to bacterial colonization of the armpits, resulting in a large number of bacterial reproduction, resulting in yellow sweat in the armpits accompanied by odor, if often stimulate the armpits will also appear hyperpigmentation. Usually, change and wash frequently, and shave the armpit hair. Topical zinc pyrithione, 20% aluminum chloride anhydrous ethanol solution can be considered, and minimally invasive removal surgery can also be considered.
The above drugs need to be used in accordance with the doctor’s instructions, the emergence of armpit darkening with odor can also be seen in other causes, it is recommended that patients seek medical attention in a timely manner, in accordance with the doctor’s instructions for treatment.