Cognifast Tablet is a prescription medicine used in the treatment of stroke, head injury, and Alzheimer's disease. It may be used alone or in combination with other medicines, depending on the illness it is being used for. Cognifast Tablet may be taken with or without food. However, it is advised to take it at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration as advised by your doctor. Do not stop taking it suddenly without talking to your doctor as it may worsen your symptoms.Some common side effects that may be seen with this medicine include headache, nausea, vertigo, increased sweating, agitation, fever, hallucinations, confusion. However, these are temporary and usually resolve on their own. Consult your doctor if these do not subside or get worse.Before taking this medicine, inform your doctor if you ever had any problems with your kidneys or if you have or ever had any seizures (epilepsy or fits). Your dose depends on your age and the condition you are being treated for. Always let your doctor know about all the medicines that you are taking before you start with your treatment. Please inform your doctor if you are pregnant, planning to conceive or breastfeeding, before using this medicine.