Horse chestnut (aesculus hippocastanum) - oral
horse chestnut 300 mg capsule
Horse chestnut has been used for swelling and pain due to varicose veins and poor circulation in the legs.
Some herbal/dietary supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details about the brand you use.
The FDA has not reviewed this product for safety or effectiveness. Consult your doctor or pharmacist for more details.
Take this product by mouth as directed. Follow all directions on the product package. Check the label carefully to make sure you have the correct product. Horse chestnut seed extract is different than whole horse chestnut seeds. Do not take the raw seeds, bark, flowers, or leaves of horse chestnut by mouth because these products are poisonous. Use only standardized horse chestnut seed extract products that have had the toxin removed. If you are uncertain about any of the information, consult your doctor or pharmacist.
This herbal product should only be used short-term. It should not be used for more than 3 months.
If your condition persists or worsens, or if you think you may have a serious medical problem, seek immediate medical attention.
Upset stomach, headache, and dizziness may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.
This product may cause your urine to turn red. This is harmless.
This product may cause low blood sugar (hypoglycemia), especially if you have diabetes. Symptoms of low blood sugar include chills, cold sweat, blurred vision, dizziness, drowsiness, shaking, fast heartbeat, weakness, headache, fainting, tingling hands/feet, or hunger. It is a good habit to carry glucose tablets or gel to treat low blood sugar. If you don't have these reliable forms of glucose, rapidly raise your blood sugar by eating a quick source of sugar such as table sugar, honey, or candy, or drink fruit juice or non-diet soda. Tell your doctor right away about the reaction and the use of this product. To help prevent low blood sugar, eat meals on a regular schedule, and do not skip meals.
Tell your doctor right away if this rare but very serious side effect occurs:
- easy or unusual bleeding/bruising
A very serious allergic reaction to this product is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking horse chestnut, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. People allergic to latex should not take horse chestnut because they may be at greater risk of having an allergic reaction to it. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
If you have any of the following health problems, consult your doctor or pharmacist before using this product:
- bleeding or clotting problems
- kidney problems
- liver problems
- stomach/intestinal problems (e.g., infection/inflammatory disease of the gut)
This product may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Liquid products may contain sugar and/or alcohol. Caution is advised if you have diabetes, alcohol dependence, or liver disease. Ask your doctor or pharmacist about using this product safely.
This product is not recommended for use during pregnancy. Consult your doctor before using this product.
It is unknown if this product passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include:
- "blood thinners" (such as warfarin, heparin)
- anti-platelet drugs (such as clopidogrel, ticlopidine)
- nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen, naproxen)
- herbal products that may increase the risk of bleeding (such as danshen, garlic, ginseng)
Aspirin may also increase the risk of bleeding when used with this product. If your doctor has directed you to take low-dose aspirin for heart attack or stroke prevention (usually at dosages of 81-325 milligrams a day), you should continue taking it unless your doctor instructs you otherwise. Consult your doctor for more information.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Keep all regular medical and laboratory appointments.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Refer to storage information printed on the package. If you have any questions about storage, ask your pharmacist. Keep all medications and herbal products away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
Information last revised October 2018.
Copyright(c) 2018 First Databank, Inc.
Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.
The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.