Vitamin b1 can be used for diseases caused by vitamin b1 deficiency, such as indigestion, neuritis, and beriberi. Vitamin b2 can be used to prevent and treat symptoms associated with vitamin b2 deficiency. 1. Vitamin B1. Vitamin B1 belongs to the b group of vitamins, which is a kind of western medicine, including injections and tablets. Vitamin B1 can be used in the treatment of vitamin B1 deficiencies such as indigestion, neuritis, and beriberi. 2. Vitamin b2. Vitamin b2 is a western medicine, is a vitamin drug, the common dosage form also includes tablets and injections, can be used for the treatment and prevention of vitamin b2 deficiency caused by diseases, such as seborrheic dermatitis, conjunctivitis, scrotal inflammation, lingual inflammation, dry and cracked lips, corns, and so on. Vitamin B1 and vitamin B2 are both vitamin drugs, drugs need to be taken under the guidance of a doctor, if the drug properties change, it is recommended to stop taking the drug. Excessive use of vitamin B1 can cause diarrhea, swelling, lack of appetite, irritability, fatigue, headache and other adverse reactions. Excessive use of vitamin B2 can cause yellow urine, or allergic symptoms such as dyspnea and apnea, which requires stopping the drug and seeking medical attention in time. Are taking other drugs, before using this product need to consult the relevant physician or pharmacist. Allergy to the components of the drug is prohibited. Before using this product need to read the instructions or follow the doctor’s advice.