Ammonia is short for glucosamine sulfate drug, which is mainly used for the treatment of primary or secondary osteoarthritis, the adverse reaction is gastrointestinal discomfort symptoms, which include stomach acid, stomach pain, nausea, vomiting, bloating, abdominal pain, diarrhea or constipation, and so on. There are also some patients who are allergic to the drug, after taking it, there will be a more obvious allergic reaction, serious and may be life-threatening, due to its lack of relevant experimental instructions, so pregnant women and children are not recommended to apply the drug, in order to avoid adverse reactions, aminosugar is generally chosen to take half an hour after a meal, so that it can significantly reduce gastrointestinal tract stimulation, the maximum duration of the best not to take more than two months, if the symptoms are not alleviated If the symptoms are not relieved, it is best to do further examination and confirm the diagnosis before treatment.