Tacrolimus interacts with many medicines (certain antibiotics, antifungals, HIV medicines) and with grapefruit. Always check before adding any new medicine or supplement. It can affect kidney function, blood pressure, blood sugar and potassium, so faithful attendance at monitoring appointments is essential. It increases vulnerability to infections and, long-term, certain cancers. Use sun protection and report fevers or unusual symptoms promptly. Tell your specialist if pregnant, planning pregnancy or breastfeeding. 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.