Medically reviewed by Drugs.com. Last updated on Jan 18, 2021.
What are other common names?
- A. californica
- A. glabra
- A. turbinata
- Aesculus hippocastanum
- California Buckeye
- Castanea Equine
- Japanese Horse Chestnut
- Ohio Buckeye
- Semen Hippocastani
- Spanish Chestnut
- Venostasin Retard
- White Chestnut
What is this product used for?
Horse chestnut is used by some people to help with leg pain and swelling caused by problems with the veins in the legs. Others use it to help with hemorrhoids. Some people believe it helps with bruising.
What are the precautions when taking this product?
Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.
If you eat raw parts of the plant, especially the nut, horse chestnut can cause death.
This product may interfere with some lab tests. Be sure to talk with your doctor about this and all drugs you are taking.
Be sure to tell your doctor that you take this product if you are scheduled for surgery or tests.
Do not use this product if you are pregnant or plan to become pregnant soon. Use birth control you can trust while taking this product.
Do not take this product if you are breastfeeding.
Take extra care if you are taking drugs to thin your blood. These are drugs like warfarin (Coumadin), heparin, or enoxaparin (Lovenox).
Take extra care if you are taking drugs to dissolve blood clots. These are drugs like alteplase (Activase), reteplase (Retevase), or streptokinase.
Take extra care if you are taking drugs to help with swelling or inflammation. These are drugs like nonsteroidal anti-inflammatory drugs (NSAIDs), aspirin, ibuprofen (Advil), or naproxen (Naprosyn).
Take extra care and check with your doctor if you have:
Mental problems like bipolar disorder
Keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.
What should I watch for?
When do I need to call the doctor?
Signs of a very bad reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; seizures; swelling of face, lips, tongue, or throat. Go to the ER right away.
Signs of low blood sugar. These include hunger, dizziness, shaking, a fast heartbeat, confusion, or sweating.
Very bad throwing up
Very bad belly pain
Very bad loose stools
Very bad headache
Blood in stool and toilet bowl
Throwing up blood
Bruising or bleeding that is not normal
Changes in menstrual periods, like lots of bleeding, spotting, or bleeding between cycles
Where can I learn more?
National Center for Complementary and Alternative Medicine
Last Reviewed Date
Consumer information use
This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.
Copyright © 2018 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.
More about horse chestnut
- Other brands
Related treatment guides
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.