Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 8 of 8 for Echinacea
  1. Echinacea From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    https://www.nccih.nih.gov/health/echinacea ... https://www.nccih.nih.gov/health/echinacea
  2. ... breaks down caffeine to get rid of it. Echinacea might decrease how quickly the body breaks down caffeine. Using echinacea with caffeine might increase caffeine levels.Ephedra (Ma ...
  3. ... and an increased heartbeat.EchinaceaYerba mate contains caffeine. Echinacea can decrease how quickly the body gets rid of caffeine. Drinking yerba mate and taking echinacea might increase the risk of side effects, including ...
  4. ... breaks down caffeine to get rid of it. Echinacea might decrease how quickly the body breaks down caffeine. Using echinacea with guarana might increase the risk of caffeine ...
  5. ... and an increased heartbeat.EchinaceaBlack tea contains caffeine. Echinacea can decrease how quickly the body gets rid of caffeine. Drinking black tea and taking echinacea might increase the risk of side effects, including ...
  6. ... combination with other herbs such as Andrographis and Echinacea. Keep in mind that natural products are not ...
  7. ... products may interact with warfarin: coenzyme Q10 (Ubidecarenone), Echinacea, garlic, Ginkgo biloba, ginseng, goldenseal, and St. John's ...
  8. ... herbal products may interact with nimodipine: cimetidine (Tagamet); Echinacea; St. John's wort. Be sure to let your ...