Each sublingual tablet contains 50 micrograms fentanyl (as citrate) 100 micrograms fentanyl (as citrate) 200 micrograms fentanyl (as citrate) 300 micrograms fentanyl (as citrate) 400 micrograms fentanyl (as citrate) 600 micrograms fentanyl (as citrate) 800 micrograms fentanyl (as citrate)