What are red bumbs caused by?

There are many potential causes of red bumps on the skin, including:

- Insect bites and stings: Bites from mosquitoes, fleas, ticks, and other insects can cause raised, itchy red bumps.

- Hives: Hives are itchy, red, and swollen areas of skin that can be caused by allergies, certain foods, or medications.

- Acne: Acne is a common skin condition that is characterized by red, swollen pimples on the face, back, and chest.

- Eczema: Eczema is a chronic skin condition that causes dry, itchy, red patches of skin.

- Psoriasis: Psoriasis is a chronic skin condition that causes red, scaly patches of skin.

- Contact dermatitis: Contact dermatitis is a skin condition that occurs when the skin comes into contact with an allergen or irritant.

- Cellulitis: Cellulitis is a bacterial infection of the skin that causes redness, swelling, and tenderness.

- Erythema multiforme: Erythema multiforme is a skin condition that is characterized by red, target-like lesions on the skin.

- Stevens-Johnson syndrome: Stevens-Johnson syndrome is a rare, but serious skin condition that is caused by an allergic reaction to a medication.

If you have red bumps on your skin that are causing you pain, itching, or concern, it is important to see a doctor for diagnosis and treatment.