Respigil DM Syrup is used to treat cough. It thins mucus in the nose, windpipe, and lungs, making it easier to cough out. It also provides relief from runny nose, watery eyes, and throat irritation. Respigil DM Syrup may be taken with or without food. Take it in the dose and duration as advised by the doctor. The dose and duration will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine. The most common side effects are nausea, bloating, diarrhea, indigestion, headache, sweating, and skin rash. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. This medicine may cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can make dizziness worse. Never support self-medication or recommend your medicine to another person. Keep it out of reach of children. Before you start taking this medicine it is important to inform your doctor if you are suffering from any lung, liver, or kidney disease. You should also tell your doctor if you are pregnant or planning a pregnancy.