Haas, MD, FAAD, is a board-certified dermatologist with LCMC Health in Louisiana. In addition to his clinical practice, he ...

Medically reviewed by Susan Bard, MD Key Takeaways Some red spots on the skin can be harmless, while others may require medical attention. Conditions like heat rash, cherry angiomas, lichen planus, ...

Red or purple spots on your skin may be hives or acne. However, they can also indicate a health condition, including an infection or autoimmune disease. Your skin’s health and appearance shift ...

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

There are several possible causes of red spots in the throat. These can range from common conditions that a doctor can treat easily, such as strep throat, to potentially severe conditions, such as ...