Rash
Your body has an itchy rash that covers (IE × 20 percent) of it. This can include discoloration, hives, blisters, lesions, pustules, scaling, peeling, and/or sores. Because of the itchy distraction, you must succeed on a DC 5 + (IE) Constitution saving throw to maintain concentration each round on an applicable spell. You must also succeed on a DC 5 + (IE) Constitution saving throw every day or develop Infection.
Real-world Examples
Rosacea, Impetigo, Ringworm, Dermatitis, Eczema, Psoriasis, Lupus, Cellulitis, Hand, Foot, And Mouth Disease
Assistive Options
A successful DC 8 + (IE) Wisdom (Medicine) check with proper application of oil and herbs will reduce the IE by 1 for 2d4 hours.