What is it?
Rhubarb is an herbal medicine used to treat diarrhea (low doses) and constipation (higher doses). Teas made from Rhubarb may help an infection caused by bacteria.
Other names for Rhubarb include: Rheum officinale Baill, Rheum palmatum, Chinese Rhubarb, and Da Huang. Garden rhubarb is also known as Rheum rhaponticum.
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 Rhubarb you should take. The amount depends on the strength of the medicine and the reason you are taking Rhubarb. 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 Throw away medicine that is out of date or that you do not need.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.
Drug and Food Interactions:
Do not take Rhubarb without talking to your doctor first if you are taking:
- Blood thinning medicine (examples: warfarin (Coumadin(R)), clopidogrel (Plavix(R)), aspirin, enoxaparin (Lovenox(R)), dalteparin (Fragmin(R)))
- Before taking Rhubarb, tell your doctor if you are pregnant or breastfeeding
- Do not take Rhubarb without talking to your doctor first if you have intestinal (gut) problems, including hemorrhoids, or have kidney stones or urinary problems
- Do not take Rhubarb longer than 8 to 10 days
- Rhubarb leaves can be poisonous and should not be eaten
- Children less than 12 years should not take Rhubarb, except under the direct supervision of your healthcare giver
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.
- Bloody diarrhea or blood seen in vomit (throw up)
- Large amounts of Rhubarb may cause vomiting, stomach cramps, or diarrhea
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Last Updated: 1/4/2018