Will Not take 2 doses at the same time or added doses. Many times this medicine (dextromethorphan chewable tablets) is taken on an as essential foundation. Never take much more typically than advised by the health practitioner. Nutritional vitamins or nutritional supplements: Dextromethorphan may well communicate with the herb St. https://apothekedrogen.eu/product/dxm-pulver-dextromethorphan-bestellen-online/