1. Nexium $137.2 heartburn

2. Singulair $101.7 allergy and asthma

3. Clarinex $97.9 allergy

4. Allegra $88.6 allergy

5. Zyrtec $86.6 allergy

6. Prevacid $85.2 heartburn

7. Zoloft $71.6 depression

8. Flonase $68.9 nasal spray

9. Lipitor $61.3 cholesterol

10. Procrit $59.6 anemia