Uses. Amlodipine is used with or without other medications to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. How to use Amlodipine-Valsartan. Read the Patient Information Leaflet provided by your pharmacist before you start taking this product and each time you get a refill. Amlodipine Besylate Tablet 10 mg. Product Summary This product requires a valid prescription for shipment, please note that HealthWarehouse.com may not accept prescriptions faxed or emailed by patients. My husband is taking many drugs since 5-way bipass surgery, and ever since then is extremely short of breath even with minor movement (like walking to the bathroom), but the tests show he doesn't qualify for oxygen, and inhalers and the nebulizer don't seem to help. Consumer information about the medication AMLODIPINE - ORAL (Norvasc), includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug AMLODIPINE - ORAL. 1. How it works. Amlodipine may be used to treat heart conditions such as angina and high blood pressure. Amlodipine inhibits the influx of calcium ions across cardiac (heart) and smooth muscle causing relaxation of these muscles and dilation (widening). Amlodipine besylate belongs to the group of medications which are known as calcium channel blockers or calcium ion antagonists. Their work is to widen up blood vessels which makes easier for the heart to pump the blood around the body which increases blood supply in the body along with oxygen, but it does not change the amount of calcium in. Side Effects. Drug information provided by: IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Amlodipine/valsartan oral tablet is available as a brand-name drug and a generic drug. Brand name: Exforge. Amlodipine/valsartan comes only in the form of a tablet you take by mouth once each day. It is not simply a lack of oxygen that causes this medical condition. There are in fact four primary factors that can cause shortness of breath.