What are the side effects of eyebright?

What are the possible side effects of eyebright ()? Although rare, allergic reactions to eyebright may occur. Stop using eyebright and seek emergency medical attention if you experience symptoms of a serious allergic reaction including difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives.Other side effects have been reported with the use of large amounts of eyebright. Stop using eyebright and consult your doctor or health care professional if you experience
  • pressure in the eyes causing tearing, itching, redness, or swelling of the eyelids;
  • eye sensitivity to light;
  • dim vision;
  • confusion;
  • weakness;
  • sneezing or runny nose;
  • toothache;
  • constipation;
  • hoarseness, cough, or shortness of breath;
  • yawning;
  • insomnia;
  • sweating; or
  • increased urination.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.