Vesicating beetle dermatitis, caused by contact with blister beetles, can lead to painful blisters or erosions that may be less visually prominent but still cause significant skin irritation in darker-skinned individuals. The affected area often shows redness, swelling, and fluid-filled blisters after exposure to the beetle’s toxin. Treatment involves cleansing the skin, using topical corticosteroids to reduce inflammation, and preventing secondary infections with antibiotics if necessary.