The full name of vitamin C tablets is vitamin C tablets, usually there is no benefit said, but it is suitable for the prevention of scurvy, can also be used for a variety of acute and chronic infectious diseases memory purpura and other adjuvant therapy, specific should be taken under the guidance of a doctor. Vitamin C tablets belong to the vitamin class of non-prescription drugs, can be used for the prevention of scurvy, a variety of acute and chronic infectious diseases, as well as the adjuvant treatment of purpura, etc., if long-term or large amounts of vitamin C, can interfere with the effect of disulfiram on ethanol, if the drug needs to be taken at the same time as other medications, you should consult with your doctor in a timely manner, and can not be blindly use the drug. There is no clear contraindication, but it should be noted that long-term application of large amounts of vitamin C can cause urinary hydrochloric acid, cysteine salt or oxalate stones; overdose may cause diarrhea, red and bright skin, headache, nausea and other adverse reactions, so it is not advisable to take the drug in excess for a long period of time to avoid sudden stopping of the drug may be scurvy, for pregnant women, lactating women should be careful with the drug.