Overview

Costus is an herb. The root and oil from the root are used to make medicine.

People use costus for many conditions, but there is no scientific evidence to support these uses. Using costus can also be unsafe unless lab tests prove that it is free of a toxic contaminant called aristolochic acid.

In foods and beverages, costus oil is used as a flavoring component.

In manufacturing, costus oil is used as a fixative and fragrance in cosmetics.

How does it work ?

Costus root contains chemicals that seem to kill worms (nematodes) and slow down the intestines.

Uses & Effectiveness ?

Insufficient Evidence for

More evidence is needed to rate the effectiveness of costus for these uses.

Side Effects

When taken by mouth: Costus oil is LIKELY SAFE for most people when taken by mouth in amounts found in foods. Costus root is POSSIBLY SAFE for most people when taken by mouth as a medicine, appropriately. However, costus often contains a contaminant called aristolochic acid. Aristolochic acid damages the kidneys and causes cancer. Costus products that contain aristolochic acid are UNSAFE. Don't use any costus preparation unless lab tests prove it is free of aristolochic acid. Under law, the Food and Drug Administration (FDA) can confiscate any plant product that it believes contains aristolochic acid. The product won't be released until the maker proves it is aristolochic acid-free.

When applied to the skin: There isn't enough reliable information to know if costus is safe or what the side effects might be.

Special Precautions and Warnings

When taken by mouth: Costus oil is LIKELY SAFE for most people when taken by mouth in amounts found in foods. Costus root is POSSIBLY SAFE for most people when taken by mouth as a medicine, appropriately. However, costus often contains a contaminant called aristolochic acid. Aristolochic acid damages the kidneys and causes cancer. Costus products that contain aristolochic acid are UNSAFE. Don't use any costus preparation unless lab tests prove it is free of aristolochic acid. Under law, the Food and Drug Administration (FDA) can confiscate any plant product that it believes contains aristolochic acid. The product won't be released until the maker proves it is aristolochic acid-free.

When applied to the skin: There isn't enough reliable information to know if costus is safe or what the side effects might be. Pregnancy and breast-feeding: There isn't enough reliable information to know if costus is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Allergy to ragweed and related plants: Costus may cause an allergic reaction in people who are allergic to the Asteraceae/Compositae plant family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking costus.

Interactions ?

We currently have no information for COSTUS overview.

Dosing

The appropriate dose of costus depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for costus. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.
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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.