A dry cough lasting 5 days may be due to throat irritation, infection, or allergy, and the right treatment depends on the cause. It is important not to start any medicine without proper medical advice. You can drink warm fluids and avoid dust or smoke to reduce irritation. Consult a doctor for proper evaluation and suitable treatment, especially if the cough persists or worsens.

Dry cough with chest congestion can occur due to infection, allergy, or airway irritation. Drinking warm fluids and using steam inhalation can help loosen congestion and soothe the airways. Avoid cold exposure, dust, and smoke, as these may worsen symptoms. Consult a doctor if symptoms persist, worsen, or if you develop breathing difficulty or fever.

Since you have diabetes, thyroid, and asthma, you should not take any cough syrup without medical advice, as some syrups may affect blood sugar or worsen asthma symptoms. Drink warm fluids, do steam inhalation, and take proper rest to help relieve the cough. Consult your doctor to choose a safe and suitable treatment based on your health condition

A dry cough from a cold usually improves with rest and supportive care. Drink warm fluids, do steam inhalation, and avoid cold air or irritants to reduce throat irritation. Keep yourself well hydrated and get enough rest to help with recovery. Consult a doctor if the cough lasts more than one week, becomes severe, or affects breathing.