Mild fever along with cold and cough is most often due to a simple viral infection and usually settles within a few days with basic care. The best approach is to take adequate rest, drink plenty of fluids like warm water, soups, or herbal teas, and eat light, nutritious food. For fever and body aches, you can use Paracetamol in the recommended dose, which is generally safe for most people. Warm fluids, steam inhalation, and saltwater gargling can help relieve throat irritation and congestion, while avoiding cold drinks, dust, and smoke can prevent symptoms from worsening. Most people start feeling better within 3-5 days, but if your fever becomes high, lasts more than a few days, or if you develop breathing difficulty, chest pain, severe weakness, or a persistent cough, you should consult a doctor for further evaluation.