About CoughA cough is the body’s way of clearing the airways. Chesty (productive) coughs bring up mucus, while dry coughs do not. Most are caused by colds and settle within three weeks.A cough may come with a sore throat, runny nose, chest congestion and mild fever.Medicines used for CoughChesty coughs can be eased with expectorants such as ivy leaf extract and guaifenesin, warm fluids and steam. Honey helps soothe coughs in adults and children over one year. Antibiotics are only needed when a doctor diagnoses a bacterial infection.When to see a doctorSee a doctor for a cough lasting more than three weeks, coughing up blood, breathlessness, chest pain, weight loss, or a cough in a baby.This page is for general information only. Many of these medicines need a prescription; please use them only on the advice of a doctor or pharmacist, who can choose the right medicine and dose for you.