Health & Well-Being A-Z

Hemlock Water Dropwort

Hemlock Water Dropwort plant
Description

Hemlock water dropwort is a plant. The root is used to make medicine.

Be careful not to confuse hemlock water dropwort with similar sounding plants such as water hemlock and hemlock. Also be careful not to mistake the extremely poisonous hemlock water dropwort with other similar looking plants, such as wild parsnip, radish, sweet flag, or pignut.

Hemlock water dropwort is used for pimples, rashes, and other conditions, but there is no good scientific evidence to support these uses. Using hemlock water dropwort can also be unsafe.

Is It Effective?

Effectiveness header

NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.

Insufficient evidence
  • Rash.
  • Pimples.
  • Other conditions.

More evidence is needed to rate the effectiveness of hemlock water dropwort for these uses.

Is it Safe?

Action

It is not known how hemlock water dropwort might work as a medicine.

Safety

When taken by mouth: Hemlock water dropwort is UNSAFE and poisonous. Swallowing even small amounts of root may cause death. Hemlock water dropwort contains a poison that might decrease nerve signals to the brain. Get medical attention immediately if hemlock water dropwort is taken by mouth. Signs of poisoning include nausea, dizziness, vomiting, blood in the urine, confusion, turning blue, convulsions, and unconsciousness.

When applied to the skin: There isn't enough reliable information to know if hemlock water dropwort is safe or what the side effects might be. But since it is known to be poisonous if accidentally swallowed, it is a dangerous substance to handle and use should be avoided.

Special Precautions & Warnings:

Hemlock water dropwort isn't safe for anyone to use. Some people are especially sensitive to the poisonous effects and should be especially careful to avoid use.

Pregnancy and breast-feeding: Hemlock water dropwort is UNSAFE and poisonous.

Children: Hemlock water dropwort is UNSAFE and poisonous. Keep children away from hemlock water dropwort. Children have been accidentally poisoned after eating the plant's roots.

Drug interactions

It is not known if Hemlock Water Dropwort interacts with any medicines. Before taking Hemlock Water Dropwort, talk with your healthcare professional if you take any medications.

Herb interactions

There are no known interactions with herbs and supplements.

Food interactions

There are no known interactions with foods.

Dosage

The appropriate dose of hemlock water dropwort depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for hemlock water dropwort. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Other names

Dead Tongue, Five-Fingered Root, Horsebane, Nablo del Diablo, Navet du Diable, Oenanthe crocata, Oenanthe Safranée, Yellow Water Dropwort.

Disclaimer

Information on this website is for informational use only and is not intended to replace professional medical advice, diagnosis, or treatment. While evidence-based, it is not guaranteed to be error-free and is not intended to meet any particular user’s needs or requirements or to cover all possible uses, safety concerns, interactions, outcomes, or adverse effects. Always check with your doctor or other medical professional before making healthcare decisions (including taking any medication) and do not delay or disregard seeking medical advice or treatment based on any information displayed on this website.

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