Customer Service For Customer Service, call us toll free at 1-800-241-1643. Our regular business hours are Monday through Friday, 8:00 a.m to 5:00 p.m., EST.  Options to route your call include: For order placement and other customer service needs, select option 1 If you wish to report an adverse event or side effect to a Solvay Pharmaceuticals product, select option 3 If you have a medical inquiry or product question regarding a Solvay Pharmaceuticals product, select option 8 If you have a product quality problem, select option 9 If you are calling from a rotary dial phone or wish to speak to an attendant, select option 0 or wait on the line If you are experiencing a medical emergency, dial 911 or seek immediate assistance from a trained medical professional. Please note that information contained on this Web site and the toll free number listed above are intended for use only by U.S. residents. If you are a resident of Canada or need information about Solvay Pharma Inc. of Canada please call 1-800-268-4276.