Donibiz 5 Tablet is used to treat mild to moderate dementia in Alzheimer’s disease, a progressive illness that gradually affects memory and thinking. It does not cure this illness but may help improve memory, awareness, and other symptoms. Your doctor will explain how to take Donibiz 5 Tablet. You may take it with food, preferably at night before going to bed. Follow the instructions carefully to get the most benefit. The dose may change from time to time to suit your individual needs. It can take up to a few weeks for symptoms to improve so keep taking your medicine regularly. You should not stop taking this medicine without consulting your doctor. Some common side effects of this medicine include nausea, diarrhea, insomnia, vomiting, muscle cramps, fatigue, and weight loss (anorexia). Drink plenty of fluids to keep yourself hydrated. You may have side effects more often when you start your treatment or when your dose is increased. Usually, the side effects will slowly go away as your body gets used to the Donibiz 5 Tablet. If they are severe or will not go away, you should contact your doctor. Before using Donibiz 5 Tablet, you should tell your doctor if you have ever had heart problems, stomach ulcers, epilepsy, or asthma. It may also affect, or be affected by, some other drugs you are using so let your doctor know what these are to be safe. During pregnancy, this medicine should only be taken if it is advised.