Laburnum is a small tree that grows in areas of Europe. The seed is used to make medicine.

People take laburnum to cause vomiting and for constipation, but there is no good scientific evidence to support these uses. Laburnum is also unsafe when taken by mouth. All parts of the plant are poisonous.

Be careful not to confuse laburnum and labdanum. They are different plants.
When taken by mouth: Laburnum is UNSAFE. All parts, including the seeds and berries, are poisonous. Eating as few as 15-20 seeds or 3-4 unripe berries can kill an adult. If you accidentally take laburnum, get medical attention right away.

Symptoms of laburnum poisoning include nausea; dizziness; salivation; mouth, throat, and stomach pain; sweating; headache; vomiting; diarrhea; spasms; paralysis; decreased breathing; coma; and death.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Laburnum is UNSAFE and can cause death. Don't take it.


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.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions
  • Causing vomiting.
  • Constipation.
  • Other conditions.
More evidence is needed to rate the effectiveness of laburnum for these uses.

Dosing & administration

The appropriate dose of laburnum 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 laburnum. 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.

Interactions with pharmaceuticals

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

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.


Laburnum affects how parts of the nervous system work. has licensed monographs from TRC Healthcare.
This monograph was last reviewed on 31/07/2023 10:00:00 and last updated on 26/11/2020 02:45:30. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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