Red patches with fever and cough can happen due to viral infections, allergies, insect bites, medication reactions, or some infectious illnesses. Because fever, cough, and skin rashes together can sometimes indicate conditions that need medical evaluation, avoid taking antibiotics or steroid creams without a doctor?s advice. For temporary relief, rest well, drink plenty of fluids, and avoid scratching the patches. Paracetamol may help reduce fever and body discomfort if suitable for you. If itching is present, a doctor or pharmacist may suggest an antihistamine. Keep the skin clean and avoid using new cosmetic or chemical products until the cause is clear. Seek medical care soon if the rash spreads quickly, becomes painful, causes breathing difficulty, high fever, mouth ulcers, or severe weakness, as these symptoms may require prompt treatment and examination.