SIDE EFFECTS: 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 immediately 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 immediately 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: rash, 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.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: 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, diabetes, stomach/intestinal problems (e.g., infection/inflammatory disease of the gut).This product may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.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.

Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.