Cocillana (Guarea rusbyi) is a flowering tree. The bark has been traditionally used to make medicine.

Some people use cocillana for cough, constipation, and various gastrointestinal conditions, but there is no good scientific evidence to support any use.
When taken by mouth: There isn't enough reliable information to know if cocillana is safe or what the side effects might be.

Special Precautions & Warnings:

Pregnancy: Cocillana is possibly unsafe. Cocillana can bring on a menstrual period, which could cause a miscarriage.

Breast-feeding: There isn't enough reliable information to know if cocillana is safe to use when breast-feeding. Stay on the safe side and avoid use.


There is interest in using cocillana for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

There isn't enough reliable information to know what an appropriate dose of cocillana might be. 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 a healthcare professional before using.

Interactions with pharmaceuticals

It is not known if Cocillana interacts with any medicines. Before taking Cocillana, talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods. has licensed monographs from TRC Healthcare.
This monograph was last reviewed on 16/11/2023 11:00:00 and last updated on 22/02/2022 07:05:46. Monographs are reviewed and/or updated multiple times per month and at least once per year.
Natural Medicines disclaims any responsibility related to medical consequences of using any medical product. Effort is made to ensure that the information contained in this monograph is accurate at the time it was published. Consumers and medical professionals who consult this monograph are cautioned that any medical or product related decision is the sole responsibility of the consumer and/or the health care professional. A legal License Agreement sets limitations on downloading, storing, or printing content from this Database. No reproduction of this monograph or any content from this Database is permitted without written permission from the publisher. It is unlawful to download, store, or distribute content from this site.