Introduction

Andrographis is a plant commonly used in South Asian medicine. Its leaves are used to treat symptoms of the common cold. It can be taken as a pill or a powder.

Dosages

400-1200 milligrams once daily

What Research Shows

Likely Effective

  • Common colds—Likely to improve symptoms and quicken recoveryA1
  • Other upper respiratory infection—Likely to improve symptomsF1, F2

May Be Effective

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It is likely safe to take small amounts of andrographis over a short period of time. Not enough studies have been done to say whether it is safe to use for a long period.

Interactions

Talk to your doctor about any supplements or therapy you would like to use. Andrographis can interfere with treatment or make conditions worse, such as:

  • People who have problems with their immune system should talk to their doctors before taking andrographis. It may interact with their medicines.

Revision Information

  • Reviewer: EBSCO NAT Review Board Eric Hurwitz, DC
  • Review Date: 03/2019 -
  • Update Date: 03/02/2019 -