Cursed buttercup
Cursed buttercup


Cursed buttercup (Ranunculus sceleratus) is an herb. The parts that grow above the ground are sometimes used to make medicine.

Fresh cursed buttercup contains a chemical that can cause severe irritation when it comes into contact with the skin or the mouth, throat, stomach, or intestines.

Cursed buttercup is used for skin conditions, but there is no good scientific evidence to support any use. Cursed buttercup might also be unsafe.

Do not confuse cursed buttercup with buttercup or bulbous buttercup. These plants are not the same.
When taken by mouth: Fresh cursed buttercup is likely unsafe. It can irritate the mouth, throat, stomach, and intestines and cause serious side effects. There isn't enough reliable information to know if dried cursed buttercup is safe or what the side effects might be.

When applied to the skin: Fresh cursed buttercup is likely unsafe. Contact with the fresh plant can cause skin blisters and burns that are difficult to heal. There isn't enough reliable information to know if dried cursed buttercup is safe or what the side effects might be.

Special Precautions & Warnings:

Pregnancy and breast-feeding: It's likely unsafe to take cursed buttercup by mouth or apply it to the skin when pregnant or breast-feeding. It might make the uterus contract, and this could cause a miscarriage.


There is interest in using cursed buttercup for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

There isn't enough reliable information to know what an appropriate dose of cursed buttercup might be. 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 a healthcare professional before using.

Interactions with pharmaceuticals

It is not known if Cursed Buttercup interacts with any medicines. Before taking Cursed Buttercup, 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. has licensed monographs from TRC Healthcare.
This monograph was last reviewed on 23/10/2022 07:00:55 and last updated on 21/12/2012 18:04:16. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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