It is forbidden to use if you are allergic to vitamin B₆ tablets, and it is forbidden to use the drug when its properties have changed. Vitamin B₆ Tablet is a vitamin drug. It is used for the prevention and treatment of vitamin B₆ deficiency, such as seborrheic dermatitis, dry and cracked lips, and also used to reduce vomiting in pregnancy. 1.Allergic to vitamin B₆ tablets: itching, erythema, rash, tearing and other allergic symptoms may occur after taking the medicine, affecting the patient’s health. 2. When the drug properties change: due to changes in drug properties, may lead to weakening of the drug effect, or patients taking the other adverse reactions as abdominal pain, vomiting and other uncomfortable symptoms. Vitamin B₆ in the normal renal function almost does not produce toxicity, but long-term, excessive application of this product can cause severe peripheral neuritis, the emergence of neurosensory abnormalities, gait instability, numbness in the hands and feet and other adverse reactions. Patients should take this drug under the guidance of a doctor and seek medical attention promptly if discomfort occurs after use to avoid delaying the condition.