Exelon Patch 15 helps treat mild to moderate dementia in Alzheimer’s disease, a progressive (worsening) illness that gradually affects memory and thinking. It is also used to treat Dementia in Parkinson’s disease. It does not cure these illnesses but may help improve memory, awareness, and other symptoms. Your doctor will explain how to use Exelon Patch 15. Follow the instructions carefully to get the most benefit. The dose may change from time to time to suit your individual needs. You should not wear more than one patch at a time. Normally, you will use one new patch each day, and the place where you apply it is changed to avoid skin irritation. It can take up to 4 weeks for the symptoms to improve, so keep wearing your patches regularly.Some common side effects of this medicine include nausea, vomiting, diarrhea, indigestion, abdominal pain, headache, fainting, dizziness, anxiety, depression, delirium, agitation, urinary tract infection, urinary incontinence, rash, fever, weight loss, and application site reactions. You may have side effects more often during the start of your treatment or when your dose is increased. Usually, the side effects will slowly go away as your body gets used to the medicine. If the side effects do not go away or if they become severe, you should remove your patch and contact your doctor.Before using Exelon Patch 15, 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 medicines you are using so let your doctor know what these are to be safe. Pregnant or breastfeeding women should consult their doctor before taking this medicine.There is a Patient Support Program/Patient Assistance Program available in India for this medicine, being managed by Tata 1mg. Please contact your prescribing doctor to know more about the same. You may also call on (1800-102-1618) for more details.