* On-therapy patients. On-therapy patients are defined as those who have received a
dispensed prescription in prior months and for which the amount
of medicine and dosage prescribed has not been exhausted.
This data excludes mail order and long-term care.
Therapy areas are based on proprietary IMS Health definitions.
Patients treated in these 20 leading chronic therapy areas
represent 45% of spending and 61% of prescriptions in 2013.
This statistic shows the leading therapy areas in U.S. healthcare in terms of patients treated in 2013. In that year, almost ** million people were treated for hypertension in the United States. Patients shown in these leading chronic therapy areas represent some ** percent
of spending and ** percent of prescriptions in 2013.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
IMS Health. (April 30, 2014). Leading U.S. medical therapy areas by patients treated in 2013 (in millions)* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/238699/us-therapies-ranked-by-patients-treated/
IMS Health. "Leading U.S. medical therapy areas by patients treated in 2013 (in millions)*." Chart. April 30, 2014. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/238699/us-therapies-ranked-by-patients-treated/
IMS Health. (2014). Leading U.S. medical therapy areas by patients treated in 2013 (in millions)*. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/238699/us-therapies-ranked-by-patients-treated/
IMS Health. "Leading U.S. Medical Therapy Areas by Patients Treated in 2013 (in Millions)*." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Apr 2014, /statistics/238699/us-therapies-ranked-by-patients-treated/
IMS Health, Leading U.S. medical therapy areas by patients treated in 2013 (in millions)* ÌÇÐÄÆƽâ°æ, /statistics/238699/us-therapies-ranked-by-patients-treated/ (last visited July 21, 2026)
Leading U.S. medical therapy areas by patients treated in 2013 (in millions)* [Graph], IMS Health, April 30, 2014. [Online]. Available: /statistics/238699/us-therapies-ranked-by-patients-treated/
