. Monoamine Oxidase inhibitors and narcotic analgesics: A significant evaluation with the implications for cure Natural vitamins or dietary supplements: Dextromethorphan may perhaps communicate with the herb St. John’s wort. You may want to prevent using this supplement when taking dextromethorphan. et al. Pharmacokinetics of dextromethorphan and dextrorphan: An individual https://apothekedrogen.eu/product/dxm-pulver-dextromethorphan-bestellen-online/