Use this information carefully

The catalog does not diagnose conditions, recommend treatment for a particular person, or replace a clinician, pharmacist, emergency service, or poison-control service. Evidence and safety information can be incomplete, change over time, and apply only to the stated ingredient, preparation, amount, and situation.

Herbal products can cause side effects and can interact with medicines or health conditions. Check the cautions shown in each guide, and speak with a qualified clinician or pharmacist before using an herbal product if you are pregnant or breastfeeding, giving it to a child, have a health condition, or take medicine.

Get help when it is needed

Do not use this site for emergencies. Seek emergency care or contact local emergency services for severe or life-threatening symptoms. For symptoms that are new, worsening, persistent, or concerning, contact a qualified healthcare professional.

Browse the self-care guides →