Overview

Hemlock is a very poisonous plant. In fact, all parts of the plant are toxic. Hemlock is most poisonous during the early stages of growth in the spring, but it is dangerous at all stages of growth. The poisons in hemlock are so deadly that people have died after eating animals that had eaten hemlock parts.

Hemlock is native to Europe and western Asia and was introduced into North America as an ornamental plant. It is frequently found in the US and southern Canada. Hemlock typically grows along streams or rivers, and near fences, roadsides, ditches, abandoned construction sites, pastures, crops, and fields. Some people have been poisoned by hemlock after confusing it for harmless plants. Accidental poisonings have occurred when people mistook the plant for parsnip, parsley, wild celery, or anise.

Despite serious safety concerns, hemlock is used for bronchitis, whooping cough, asthma, arthritis, and other conditions, but there is no good scientific evidence to support these uses.

Uses & Effectiveness ?

Insufficient Evidence for

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

Side Effects

When taken by mouth: All parts of hemlock, including the seeds, flowers, and fruits, are UNSAFE. Hemlock is so poisonous it can cause death. If someone takes hemlock, he or she should get immediate medical attention. Side effects and toxicities include increased saliva, burning of the digestive tract, drowsiness, muscle pain, kidney damage, rapid breakdown of muscle tissue, rapid heart rate followed by a decreased heart rate, loss of speech, paralysis, unconsciousness, kidney failure, and death.

Special Precautions and Warnings

When taken by mouth: All parts of hemlock, including the seeds, flowers, and fruits, are UNSAFE. Hemlock is so poisonous it can cause death. If someone takes hemlock, he or she should get immediate medical attention. Side effects and toxicities include increased saliva, burning of the digestive tract, drowsiness, muscle pain, kidney damage, rapid breakdown of muscle tissue, rapid heart rate followed by a decreased heart rate, loss of speech, paralysis, unconsciousness, kidney failure, and death. It is UNSAFE for anyone to use hemlock, but hemlock is especially dangerous for people with the following conditions:

Pregnancy and breast-feeding: Use of hemlock is UNSAFE and can be fatal.

Children: Use of hemlock is UNSAFE and can be fatal, especially in children. Children can be poisoned by even small amounts of hemlock. Some children have died after eating leaves or using hollow hemlock stems as peashooters, flutes, or whistles.

Interactions ?

We currently have no information for HEMLOCK overview.

Dosing

The appropriate dose of hemlock 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. 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.
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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.