Cheston Cold and Flu Tablet is used to treat common cold symptoms such as sneezing, a runny or blocked nose, sore throat, cough, body ache, and mild fever. It works by reducing pain and fever, relieving allergy-related symptoms, and shrinking blood vessels in the nose to ease congestion. Cheston Cold and Flu Tablet can be taken with or without food in a dose and duration as advised by the doctor. Consider taking it with food if you experience an upset stomach. 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, vomiting, stomach pain, insomnia, restlessness, impaired coordination, and headache. Most of these are temporary and usually resolve with time. Contact your doctor if you are at all concerned about any of these side effects. It 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. 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. Also, tell your doctor if you are pregnant, planning pregnancy, or breastfeeding. Avoid drinking alcohol while taking this medicine, as it can make dizziness worse.