5mg Doxycycline and 10 mg Spiramycin blended into one tablet. Could be an excellent choice for individual treatment of respiratory infections. Administer two tablets on first day and one tablet per day thereafter for up to 5 days to clear respiratory infections. Remove grit, calcium and mineral supplements from diet during time of administration. It has been determined using Ecol Tonic in combination with these types of respiratory products has given added benefit, quicker results and better tissue penetration.