Side effects of Compound Aminophenalkylamine Tablets include the following: i. Gastrointestinal reactions include nausea, vomiting, abdominal pain, anorexia, etc. Generally, these reactions are occasionally seen during administration and can disappear after discontinuation of the drug. Second, individual patients may develop skin allergy, skin rash can be seen. Individual patients may experience drowsiness and mild dizziness after the first dose, and the above symptoms will disappear after stopping the drug. Occasionally, cyanosis may occur due to methemoglobinemia. V. Long-term or heavy use may damage liver and kidney function. It is recommended not to take large amounts for a long time and to review liver and kidney functions regularly. Sometimes may cause hallucinations, mental disorders or slurred speech and other central nervous system symptoms. In elderly patients, it may cause difficulty in urination, fainting and even postural hypotension. More persistent adverse reactions include inability to concentrate, dizziness, anorexia, and nervousness. Rarely, headache, blurred vision, constipation, and fatigue and weakness are seen.