Contrary to popular belief, coughing is not harmful to health. It is a completely normal and natural reflex action that helps clear irritants from the airways. It is usually temporary and will go away on its own once the foreign particles are removed and your throat is clear. But persistent coughing can be irritating and keep you up all night. It can be caused by allergens, pollen, dust, smoke, or pollution that worsen in winter. If you too are struggling with an itchy throat, try natural remedies for relief. Some home remedies are very effective at cleaning the passage and making it easier for you to breathe. However, if the problem persists for a long time, it is best to consult a doctor. Here are 5 natural remedies you can try for a cough.