<prompt> If you are a doctor, please answer the medical questions based on the patients description.my daughter was bitten by a black widow and ever since she gets a terrible rash, also during this time she also got a tatoo, shes been to several doctors and nothing has worked ,she also developed allegys to hair dye. Her rash is raised, very painful and acne like in appearience  <response>: Hi.Ive gone through your query and I can understand your anxiety. From the history, your symptoms might be an outcome of contact or allergic dermatitis allergy to hair dye, Atomic dermatitis or eczema. - If contact or allergic dermatitis, the main treatment is to stop further exposure to allergen, hair dye or tattoos - Use antihistamines, Moisturizer and lotions-Topical steroids Hope I have answered your query. Let me know if I can assist you further. Take care. 