Recent Blog Articles
Close relationships with neighbors influence cardiovascular health in Black adults
Why play? Early games build bonds and brain
5 numbers linked to ideal heart health
Rating the drugs in drug ads
Postpartum anxiety is invisible, but common and treatable
The popularity of microdosing of psychedelics: What does the science say?
Pouring from an empty cup? Three ways to refill emotionally
Is pregnancy safe for everyone?
New pediatric guidelines on obesity in children and teens
Screening tests may save lives — so when is it time to stop?
Ask the doctor: How does hot pepper cream work to relieve pain?
Q. I have pain from osteoarthritis in both knees. I'm curious about the cream made from a substance in hot peppers. How does it relieve pain?
A. You're referring to capsaicin, the substance in chili peppers that gives them their hot taste. Capsaicin is an ingredient in many over-the-counter topical pain-relief preparations, which include creams, gels, lotions, patches, and sticks. When first applied, topical capsaicin causes a burning sensation. This sensation lessens within a few minutes, and also over time with repeated applications. There are few, if any, systemic side effects.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!