Deadly infections like Lyell’s syndrome show as severe rashes, notably in adults with chickenpox. Chronic edema may point to hypothyroidism, exhibiting dry skin and hair loss.“New moles or changes warrant a doctor’s visit,” advises specialists. Acne, often from oily skin, needs careful management. “Flaking skin with severe symptoms could indicate a life-threatening condition,” cautions experts. Excessive sweating might signal Graves’ disease. Immediate medical attention is crucial upon noticing these signs.