Bupatch 20mcg Transdermal Patch is used to treat moderate to severe pain and drug dependence/addiction to opioids. It helps prevent withdrawal symptoms that may be caused due to withdrawal of other opioids. Your doctor will explain how to use Bupatch 20mcg Transdermal Patch. Follow the instructions carefully to get the most benefit. The dose and duration will depend on what you are using it for and how well it helps your symptoms. Use it regularly and do not discontinue using it until the doctor tells you it is alright to stop. The most common side effects of this medicine include constipation, dizziness, drowsiness, headache, and nausea. 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 it. If they are severe or do not go away, you should remove your patch and contact your doctor. Before using the medicine, you should tell your doctor if you have any other illnesses or disorders. It may also affect, or be affected by some other drugs you are using. Let your doctor know all the other medicines you are taking or using to make sure it is safe for you. Pregnant and breastfeeding women should consult their doctors first before using the medicine.