Interaction Details

There were no interactions found between Trastuzumab and Greater Celandine. This does not mean the potential for an interaction does not exist, however. There is often a lack of studies and data surrounding traditional medicine, especially concerning drug interactions, so it is important to always consult your provider before making any changes to your medication regimen.


Still looking for more information about combining Trastuzumab and Greater Celandine? Ask Dr. Brian Staiger about it by contacting him directly.

Greater Celandine Overview

Greater Celandine Greater celandine, also known as Chelidonium majus, is a herbaceous plant native to Europe and Asia. It is a member of the poppy family (Papaveraceae) and is known for its bright yellow flowers and shiny, sap-filled leaves. In traditional medicine, greater celandine is believed to have a number of medicinal properties. It is thought to have antibacterial, antiviral, and anti-inflammatory effects and has been used to treat a variety of conditions, including digestive problems, respiratory infections, and skin disorders. Greater celandine is also believed to have pain-relieving and sedative effects and has been used to treat headaches, toothaches, and other types of pain. It is sometimes used as a natural treatment for anxiety and stress, as well. Greater celandine must be used cautiously as it may have toxic effects, mainly on the liver.
See More Information Regarding Greater Celandine

Trastuzumab Overview

  • Trastuzumab injection products are used with other medications or after other medications have been used to treat a certain type of breast cancer that has spread to other parts of the body. Trastuzumab injection products are also used during and after treatment with other medications to decrease the chance that a certain type of breast cancer will return. Trastuzumab injection products are also used with other medications to treat certain types of stomach cancer that have spread to other parts of the body. Trastuzumab is in a class of medications called monoclonal antibodies. It works by stopping the growth of cancer cells.

See More Information Regarding Trastuzumab Injection

Greater Celandine - More Interactions

Greater Celandine interacts with 589 drugs

Interaction Rating Key

These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.

Major The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur.
Moderate Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur.
Minor Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction.
Unknown No interactions have been reported or no interaction data is currently available.

Return to the main herbal interaction checker page

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Drug descriptions are provided by MedlinePlus.

Ask A Pharmacist About Your Herbal Questions!

Dr. Brian Staiger, PharmD

In addition to being a clinical pharmacist specializing in pharmacotherapy, Dr. Brian Staiger is a registered herbalist through the American Herbalist Guild. He has combined his passion for pharmacy practice with the study of medical ethnobotany to improve patient care. Feel free to reach out about any of your herbal or medication questions!

Ask A Pharmacist