The use of Memantine Hydrochloride Extended-Release Capsules is to treat moderate to severe Alzheimer’s disease. The indication for meperidine hydrochloride extended-release capsules is moderate to severe Alzheimer’s disease, but the drug does not stop or slow down the progression of the disease, but only improves the clinical symptoms of cognitive impairment and memory impairment caused by the disease. Common adverse drug reactions associated with the use of Megaman hydrochloride extended-release capsules include diarrhea, abdominal pain, vomiting, headache, dizziness, weight gain, back pain, etc.; the drug is contraindicated in people who are allergic to any of the ingredients contained in the drug; and the drug should be swallowed whole and not broken up, chewed or crushed. The use of Megaman Hydrochloride Extended-Release Capsules should be in strict accordance with the doctor’s instructions and should not be abused.