Hydrochloride Powder is used for treating the symptoms of low blood pressure, decreased cardiac output, and improved blood flow to the kidneys.  can be used either on its own or alongside other drugs. It is a crystalline powder that ranges in colour from white to off-white and may have a faint hydrochloric acid odour.  Hydrochloride Powder dissolves readily in both alcohol and water. Iron salts, oxidising agents, and alkalies can make  HCl sensitive. This should be used as per the prescription by your doctor.