Hi , Welcometo HCM Cilacar (Cilnidipine) is a CCB ( calcium channel blocker) prescribed for patients at risk of vascular damage caused by hypertension. It comes in the form of a tablet, and helps to control hypertension (high blood pressure). Here are the some possible side effects arementinoed below Nausea Headaches Trouble breathing Swelling Low blood pressure Edema (water retention) 1. If you have an allergic or hypersensitive reaction, seek emergency medical attention. 2. Possible symptoms include difficulty breathing, difficulty swallowing, swelling, chest tightness, skin rashes, and hives. 3. This medication should only be used as instructed and prescribed by your physician or pharmacist. Do not alter your dosage unless specifically instructed to do so by either of the above. 4. Dosage and usage often depends on the severity of the condition, as well as the patient’s medical history and current health condition. 5. Before you begin using this medication, ensure your physician is aware of the following: If you are pregnant or breastfeeding. If you have any allergies. If you have any other illnesses, disorders, or medical conditions. If you are using any other drugs or medication. If you are using any vitamins or supplements. Please contact to your physician if filling any unusual conditions