Sextaphage is a bacteriophage-based medication used for the treatment of bacterial infections. To use Sextaphage for tonsillitis, you should follow the instructions provided by your healthcare provider or as indicated on the medication label. Typically, sextaphage is administered orally in the form of tablets or liquid solution. It is important to take the prescribed dosage at the recommended frequency and complete the full course of treatment as directed by your healthcare provider. If you have any questions or concerns about using Sextaphage for tonsillitis, it is best to consult with your healthcare provider for personalized advice.