Interaction Details

There were no interactions found between Letrozole and Phosphatidylcholine. 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 Letrozole and Phosphatidylcholine? Ask Dr. Brian Staiger about it by contacting him directly.

Phosphatidylcholine Overview

Phosphatidylcholine Phosphatidylcholine (PC) is a type of phospholipid that plays a critical role in maintaining the structural integrity and fluidity of cell membranes. Phosphatidylcholine is also a source of choline, which is an essential nutrient that is important for liver function, brain development, and nerve function. Choline is a precursor to acetylcholine, a neurotransmitter that plays a role in memory, mood, and muscle control. Phosphatidylcholine is found naturally in foods, particularly in egg yolks, soybeans, and organ meats such as liver. It is also available as a dietary supplement in the form of capsules, tablets, and liquids. Phosphatidylcholine supplements are sometimes marketed as nootropics, which are substances that are purported to enhance cognitive function and memory.
See More Information Regarding Phosphatidylcholine

Letrozole Overview

  • Letrozole is used treat early breast cancer in women who have experienced menopause (change of life; end of monthly menstrual periods) and who have had other treatments, such as radiation or surgery to remove the tumor. It is also used to treat early breast cancer in women who have experienced menopause and who have already been treated with a medication called tamoxifen (Nolvadex) for 5 years. Letrozole is also used in women who have experienced menopause as a first treatment of breast cancer that has spread within the breast or to other areas of the body or in women whose breast cancer has worsened while they were taking tamoxifen. Letrozole is in a class of medications called nonsteroidal aromatase inhibitors. It works by decreasing the amount of estrogen produced by the body. This can slow or stop the growth of some types of breast cancer cells that need estrogen to grow.

See More Information Regarding Letrozole

Phosphatidylcholine - More Interactions

Phosphatidylcholine interacts with 0 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