Red, Bumpy Rash on Face: Causes & What to Do
Chocolate alone rarely causes a facial rash. A red, bumpy facial rash has many potential etiologies—accurate diagnosis requires clinical evaluation.
Common Causes
| Condition | Key Features | Typical Triggers |
|---|---|---|
| Contact dermatitis | Itchy, red, vesicular; sharp borders at contact site | Cosmetics, fragrances, nickel (jewelry), preservatives |
| Atopic dermatitis (eczema) | Chronic, dry, itchy; flexures, face in infants | Irritants, allergens, stress, weather |
| Perioral dermatitis | Papules/pustules around mouth, sparing vermillion border | Topical steroids, heavy creams, fluoride toothpaste |
| Rosacea | Flushing, papules/pustules, telangiectasia; central face | Heat, alcohol, spicy food, stress, UV |
| Seborrheic dermatitis | Greasy, yellow scales on red base; eyebrows, nasolabial folds | Malassezia yeast, stress, cold weather |
| Acne vulgaris | Comedones, papules, pustules; jawline, cheeks | Hormones, occlusive products, diet (high glycemic) |
| Drug eruption | Morbilliform, urticarial, or fixed; timed with new med | Antibiotics, anticonvulsants, NSAIDs |
| Food allergy | Urticaria (hives), angioedema; acute, not chronic bumpy rash | Nuts, shellfish, dairy, egg – rarely chocolate alone |