Reviewed on 9/23/2021

What Is Lycopus Used For and How Does it Work?

Lycopus has suggested uses include hyperthyroidism, premenstrual syndrome (PMS), breast pain, nervousness, insomnia, and bleeding, especially nosebleeds and heavy bleeding during menses.

There is insufficient reliable information available about the effectiveness of Lycopus.

Lycopus is available under the following different brand names: bugleweed, gypsywort, Virginia bugleweed, water horehound, and wolfstrappkraut.

What Are the Dosages of Lycopus?

Dosages of Lycopus:

  • 0.2-2 g/day whole herb orally

Dosage Considerations – Should be Given as Follows:

  • Commercially available preparation: 2 tablets (40 mg) orally once/day


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What Are Side Effects Associated with Using Lycopus?

  • Lycopus has no listed side effects when taken in regular doses.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

What Other Drugs Interact with Lycopus?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider, or pharmacist first.

What Are Warnings and Precautions for Lycopus?


  • This medication contains Lycopus. Do not take bugleweed, gypsywort, Virginia bugleweed, water horehound, or wolfstrappkraut if you are allergic to Lycopus or any ingredients contained in this drug.


Effects of Drug Abuse

  • No information available

Short-Term Effects

  • See "What Are Side Effects Associated with Using Lycopus?"

Long-Term Effects

  • See "What Are Side Effects Associated with Using Lycopus?"


Pregnancy and Lactation

  • Avoid the use of Lycopus during pregnancy and while breastfeeding.


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