For a two-day fever, cold, and cough, you can take Paracetamol (Acetaminophen) to reduce the fever and relieve body aches. For the cough and cold, over-the-counter antihistamines or cough syrups can help soothe your symptoms. Ensure you get plenty of rest, stay well-hydrated with warm fluids, and try steam inhalation. Please avoid taking antibiotics, as these symptoms are typically caused by viral infections where antibiotics are ineffective. If your fever persists beyond three days, or if you develop breathing difficulties or chest pain, please consult a doctor immediately for a proper physical examination.