Note: This document contains side effect information about horse chestnut. Some dosage forms listed on this page may not apply to the brand name Venastat.
Applies to horse chestnut: oral capsule.
Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Get emergency medical help if you have any of these signs of an allergic reaction while taking horse chestnut (the active ingredient contained in Venastat) hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Although not all side effects are known, horse chestnut is thought to be possibly safe when taken for a short period of time.
Stop using horse chestnut and call your healthcare provider at once if you have:
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severe skin redness, swelling, itching, or rash.
Common side effects may include:
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upset stomach;
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headache, dizziness; or
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itching
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
