Vitamin D2 Tablets, clinically used for the prevention and treatment of vitamin D deficiency. Vitamin D2 Tablets are used for the prevention and treatment of vitamin D deficiencies such as chronic hypocalcemia, hypophosphatemia, rickets, osteochondrosis with chronic renal insufficiency, familial hypophosphatemia, and hypoparathyroidism; and for the treatment of acute, chronic, and potentially post-surgical tardive dyskinesia and idiopathic tardive dystonia. Adverse reactions to vitamin D2 tablets include constipation, diarrhea, persistent headache, decreased appetite, metallic taste in the mouth, nausea and vomiting, thirst, fatigue, weakness, bone pain, clouding of the urine, convulsions, hypertension, increased sensitivity of the eyes to light stimuli, cardiac arrhythmia, psychiatric abnormalities, itchy skin, myalgia, severe abdominal pain, nocturnal polyuria, weight loss, and other symptoms. In addition, hypercalcemia, vitamin D increase, hyperphosphatemia with renal rickets is prohibited, arteriosclerosis, cardiac insufficiency, hypercholesterolemia, hyperphosphatemia, high sensitivity to vitamin D, renal insufficiency of patients with caution, non-renal disease treated with vitamin D2 with caution, pregnant women, lactating women, and children should be cautious, geriatric use of the drug is not clear. If you need to use vitamin D2 tablets, please consult a professional doctor, follow the doctor’s instructions for standardized treatment, do not blindly use their own medicine.