Because Glucosamine Hydrochloride Capsules contain chloride ions, chloride ions have a certain degree of stimulation of the digestive tract, long-term use can lead to gastrointestinal discomfort, and even the occurrence of diarrhea, but also liver function damage can occur. Therefore, when taking this drug, you should pay attention to observe your digestive symptoms as well as review the liver function. If diarrhea occurs, immediately stop taking this drug orally, and at the same time to take oral treatment of diarrhea drugs, such as Simethicone and omeprazole. It is also important to eat a light diet and avoid catching cold in the stomach, as this can worsen the diarrhea. After the diarrhea is treated and cured, you can switch to taking glucosamine sulfate capsules orally, which can also help treat osteoarthritis and nourish cartilage. Glucosamine sulfate capsules do not contain chloride ions and it is safe to take orally as it does not irritate the gastrointestinal tract.