Indapamide can be used to treat high blood pressure, and side effects include diarrhea, headache, decreased appetite, upright hypotension, and rash, and should be used under medical supervision. Indapamide is a sulfonamide diuretic that works by inhibiting the reabsorption of water and electrolytes in the distal renal tubules, and can be used to treat high blood pressure. Indapamide use may cause side effects such as diarrhea, headache, decreased appetite, insomnia, upright hypotension, and may even cause allergic reactions such as rash and itching, as well as hyponatremia and hypochloremic alkalosis. Indapamide may induce azotemia if used in patients with severe renal insufficiency, and may cause hepatic coma if used in patients with hepatic insufficiency. Indapamide should not be used in people who are allergic to sulfonamide, severe renal insufficiency, hepatic encephalopathy or severe hepatic insufficiency, and patients with hypokalemia should not use this drug. In conclusion, indapamide should be used under the guidance of a doctor, do not adjust the dose arbitrarily to avoid causing adverse reactions. If discomfort occurs, you should seek immediate medical attention.