Tussin-DMR Paediatric Syrup is a combination medicine used to treat dry cough. It narrows the small blood vessels and relieves congestion or stuffiness in the nose. It also reduces allergy symptoms like watery eyes, sneezing, runny nose, and throat irritation. Tussin-DMR Paediatric Syrup may be taken with or without food in a dose and duration as the doctor advises. Your dose 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.Common side effects of this medication include sedation (sleepiness), dry mouth, nausea, vomiting, dizziness, gastrointestinal discomfort, and headache. Most of these are temporary and usually resolve with time. Let your doctor know if you are concerned about these side effects. This medicine can also cause dizziness and sleepiness, 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. It is beneficial to have plenty of fluids while taking this medication. Before taking it, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. Pregnant or breastfeeding women should also consult their doctor before taking this medicine.