For patients with more serious zinc deficiency, zinc medications are usually given, such as zinc gluconate oral solution, zinc lysine gluconate granules, zinc sulfate oral solution and so on. 1. Zinc Gluconate Oral Solution: It is used for the treatment of malnutrition, anorexia, anorexia nervosa, oral ulcers, acne, and growth retardation in children caused by zinc deficiency. Some patients may experience gastrointestinal reactions such as mild nausea, vomiting and constipation after taking it. Patients with peptic ulcer, impaired renal function and anemia are prohibited to take this drug. 2. Lysine Glucoside Zinc Granules: It is used for the prevention and treatment of diseases caused by lysine and zinc deficiencies in children and adolescents. Some patients may experience mild nausea, vomiting, constipation and other reactions after taking the drug. The drug is contraindicated in patients who are allergic to the components of the drug, acute or active ulcer disease. Patients with peptic ulcer, impaired renal function, anemia are prohibited from taking the drug. 3. Zinc Sulfate Oral Solution: It is used for patients with zinc deficiency-induced lack of appetite, heterophagy, anemia, growth retardation, nutritional dwarfism, and also used as adjuvant treatment for patients with rheumatoid arthritis, intermittent claudication, acne, etc. It is not recommended for patients with acute or active ulcers, impaired renal function and anemia. The drug is prohibited for patients with peptic ulcers, impaired renal function and anemia. Patients who need to take zinc supplements should use it in strict accordance with medical advice.