It commonly appears on the arms, thighs, and cheeks. Skin contact with allergens or irritants can lead to itchy, raised bumps. Common triggers include detergents, metals, or plants like poison ivy.

Two cases of alpha-gal syndrome suggest that the lone star tick isn’t the only species in the United States capable of triggering an allergy to red meat.

Bedbug bite sores appear as raised, itchy bumps. They can occur from a few seconds ... such as the face, neck, and arms. Spots of blood will be visible on a person’s bedding.

Dr. Palm says the most common dermatomyositis symptoms include: An itchy ... Red scaly bumps on the knuckles, elbows and knees Muscle weakness in the hips, thighs, shoulders, upper arms or ...