Tacrolimus interacts with many medicines (certain antibiotics, antifungals, HIV medicines, domperidone) and with grapefruit. Check before adding anything new. It can affect kidney function, blood pressure, blood sugar and potassium. Attend all monitoring appointments. It increases vulnerability to infections and, long-term, certain cancers. Use sun protection and report fevers promptly. Avoid live vaccines during treatment. Do not breastfeed while taking tacrolimus, and discuss pregnancy plans with your specialist. Store below 30°C in the original packaging. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new medication or supplement. Keep all medicines out of reach of children.