Resistant hypertension

Failure to reach goal BP in patients taking full doses of an appropriate 3-drug therapy regimen that includes a diuretic. Reasons include
- Improper BP measurement
- Drug-induced
  - Nonadherence (e.g., due to drug side effects, finances)
  - Illegal drugs (e.g., cocaine, amphetamines)
  - Inadequate drug dosages
  - Inappropriate combinations of drug therapy
  - Nonsteroidal anti-inflammatory drugs
  - Sympathomimetics (e.g., decongestants, diet pills)
  - Oral contraceptives
  - Corticosteroids
  - Cyclosporine and tacrolimus (Prograf)
  - Erythropoietin
  - Licorice
  - Some chewing tobacco
  - Selected over-the-counter dietary or herbal supplements and drugs (e.g., ma huang, bitter orange)
- Associated conditions
  - Increasing obesity
  - Excess alcohol intake
- Identifiable causes of secondary hypertension

Cold Versus Flu

For Everyone AUG. 8, 2024 ESPAÑOL PURPOSE Influenza (flu) and the common cold are both contagious respiratory illnesses, but they are caused by different viruses.

Ebola Disease Basics

For Everyone JUNE 2, 2026 ESPAÑOL KEY POINTS Ebola disease is caused by an infection with an orthoebolavirus. Orthoebolaviruses are found primarily in sub-Saharan Africa.