Nail Psoriasis with Pitting and Onycholysis
Are the affected nails painful, or do they catch on things?

Are the affected nails painful, or do they catch on things?
Reducing shaving frequency or switching to gentler methods can help, but you don’t need to stop entirely—focus on avoiding irritation and supporting skin recovery.
I completely understand how frustrating and self-conscious underarm darkening can feel, and you’ve described it very clearly. Thank you for the details and the photograph (not shown for privacy). Your description is most consistent with axillary hyperpigmentation, a common form of skin darkening often related to friction, shaving irritation, or mild inflammation. Important mimickers include […]
Any history of hormonal changes, weight fluctuations, or friction in the area?
Have you been shaving, waxing, or using deodorants that sometimes irritate your skin?
Do you experience itching, pain, or thickening of the skin in the area?
When did you first notice the darkening, and has it changed steadily or suddenly?
Yes—stress can amplify the skin’s sensitivity and is a well-known trigger for chronic urticaria flare-ups in many adults.