Polymorphous light eruption (PMLE): This is one of the most common sun allergies, causing red, itchy rashes after sun ...

Petechiae form a type of rash that results from bleeding under the skin. It shows as red or purple spots that measure 2 millimeters or less across, but they may join together to make larger ...

Vesicles are fluid-filled lesions less than 5 millimeters ... Vesicles develop when fluid becomes trapped under the epidermis, the top layer of your skin. A number of different health conditions ...

They may examine your rash closely, or even take a skin sample to view under a microscope. Ultrasound imaging may be used to view the thyroid. Blood testing, however, is the only way to conclusively ...

Over time, you can develop lesions under the skin that may or may not be related to the blackheads that you saw before. These lesions can be painful and leave scarring if not addressed. It’s common ...

The skin may swell, harden, shrink, and become discolored. Southern tick-associated rash illness (STARI ... While tick paralysis is most commonly observed in children under 16 and adult men, it can ...

Several dermoscopic findings may help identify low-grade dysplastic nevi from other lesions, though the performance of the methods used was poor.

Senescent skin cells, often referred to as zombie cells because they have outlived their usefulness without ever quite dying, ...

The risk of some skin cancers, including squamous cell carcinoma, basal cell carcinoma, and non-melanoma skin cancer, was ...

The FDA has approved the popular drug Dupixent (generic name, dupilumab) for adults and kids 12 and up with chronic spontaneous urticaria (CSU), a long-lasting itchy skin condition, when regular ...