Itchy rashes on the chest and body, along with small red spots on the face and neck, may happen because of allergy, heat rash, fungal infection, sweat irritation, eczema, insect bites, food reactions, or sensitivity to soaps, medicines, or clothing materials. Excess sweating, humid weather, stress, and scratching may further worsen itching and redness. Ayurvedic treatment usually focuses on reducing skin irritation, improving digestion, and controlling body heat or allergy-related symptoms. Some people use neem-based preparations, soothing herbal creams, or Ayurvedic blood-purifying formulations for symptom relief, although results may vary from person to person. Wearing loose cotton clothes, keeping the skin dry, avoiding excessive sweating, and using mild fragrance-free soaps may also help reduce irritation naturally. Avoid scratching the rash because this may increase redness, infection risk, and dark marks on the skin. Consult your doctor if the rash spreads rapidly, develops pus, fever, swelling, breathing difficulty, or severe itching, because some skin conditions may require proper medical treatment and examination.