Medically reviewed by Corinne Savides Happel, MD Key Takeaways Identify triggers by taking notes about foods, medications, or ...

Hyperthyroidism may present with an itchy rash, hives, or changes in skin pigmentation. Medications that treat hyperthyroidism may also cause a rash. Hyperthyroidism, also known as overactive thyroid, ...

Viral skin rashes (also known as viral exanthems) can cause itching, irritation, and pain — and possibly symptoms like fever or fatigue. Unlike allergic rashes, which happen when your immune system ...