What is it?
Cassia is an herbal medicine used for loss of appetite, painful gas, diarrhea, and upset stomach.
Other names for Cassia include: Cinnamomum aromaticum, Chinese Cinnamon, False Cinnamon, Rou Gui.
Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.
Tell your doctor if you
- are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
- are pregnant or plan to become pregnant while using this medicine
- are breastfeeding
- have any other health problems, such as high blood pressure or heart or blood vessel disease
Talk with your caregiver about how much Cassia you should take. The amount depends on the strength of the medicine and the reason you are taking Cassia. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.
To store this medicine:
Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.
- Before taking Cassia, tell your doctor if you are pregnant or breastfeeding
Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.
- Breathing problems or tightness in your throat or chest
- Chest pain
- Skin hives, rash, or itchy or swollen skin
Other Side Effects:
You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.
- May cause redness and soreness on skin where the oil and bark are applied (4,5)
- Allergic reactions of the skin occur often (1)
1. Blumenthal M, Busse WR, Goldberg A et al: The Complete Commission E Monographs, Therapeutic Guide to Herbal Medicines. American Botanical Council, Austin, TX; 1998.
2. McGuffin M, Hobbs C, Upton R et al (eds): American Herbal Products Association's Botanical Safety Handbook. CRC Press, Boca Raton, FL; 1997.
3. Brinker F: Herb Contraindications and Drug Interactions. Eclectic Medical Publications, Sandy, OR; 1998.
4. Mitchell J & Rook A: Botanical Dermatology - plants and plant products injurious to the skin. Greengrass, Vancouver, BC; 1979.
5. Tisserand T & Balacs T: Essential Oil Safety. Churchill Livingstone, Edinburgh, UK; 1995.
Last Updated: 3/4/2018