Vitamin B₁ tablets can be taken for a long time if the condition requires it. Vitamin B₁ is a water-soluble vitamin drug that can maintain normal glucose metabolism, but also maintain normal nervous and digestive system functions, and is often used in the clinic for the prevention and treatment of neuritis caused by vitamin B deficiency, beriberi, and indigestion. Vitamin B₁ tablets are non-toxic when taken in accordance with the recommended dosage, so the treatment can be extended appropriately or even taken for a long time if the condition requires. Overdose of Vitamin B₁ Tablet may cause headache, irritability, diarrhea, swelling, loss of appetite and other adverse reactions. Vitamin B₁ tablets and other drugs may interact with each other when used in conjunction with other drugs, the specific circumstances must be used in strict accordance with the doctor’s instructions, should not be used by people who are allergic to this product.