Side effects of Engeletin tablets include hypotension, ketoacidosis, renal lesions, urinary tract infections, genital fungal infections, and elevated LDL cholesterol. 1. Hypotension: it can cause blood volume drop, resulting in symptomatic hypotension, especially prone to renal damage, older, lower systolic blood pressure and patients receiving diuretics. 2. Ketoacidosis: manifested by nausea, vomiting, abdominal pain, generalized weakness and shortness of breath, is a life-threatening and serious adverse reaction. 3. Renal lesions: can cause blood volume drop leading to renal impairment, can increase serum creatinine and reduce glomerular filtration rate. 4. Urinary tract infections: may increase the risk of urinary tract infections such as causing asymptomatic bacteriuria, cystitis, urinary sepsis and pyelonephritis. The symptoms include urinary frequency and urgency. 5. Others: Adverse reactions such as genital fungal infections, elevated LDL cholesterol, hypoglycemia, and increased urination may also occur. Engeletin Tablets is a sodium-glucose cotransporter 2 inhibitor glucose-lowering drugs, by reducing renal glucose reabsorption, promote glucose excretion from the urine and lowering sugar. It is suitable for patients with type 2 diabetes mellitus, and is contraindicated in patients with allergy to this drug, severe renal impairment, end-stage renal disease or dialysis. It is not suitable for use in the middle and late stages of pregnancy and lactation. It is recommended that patients who need to take Engelezin tablets go to a regular hospital and use the drug under the guidance of a doctor to avoid delays and adverse reactions.