In advance of using dextromethorphan, convey to your medical doctor or pharmacist When you are allergic to it; or In case you have every other allergy symptoms. This products might consist of inactive ingredients, which may result in allergic reactions or other problems. Talk with your pharmacist For additional information. https://chemicalglobe.com/product-tag/buy-pure-dxm-dextromethorphan-powder-online/