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Frequently Asked Questions (FAQ)

Here is the answer to your frequently-asked question:


Your question was: Can Biofreeze be used for ultrasound, phonophoresis or iontophoresis?

Our experts said:

There is no evidence of the effectiveness of phonophoresis with Biofreeze or any other menthol-based topical analgesic. Since Biofreeze is electrically neutral, it should not be used for iontophoresis.
We do not recommend using Biofreeze as a 100% coupling agent during ultrasound since it may diminish the transmission of sound waves or damage the sound head crystals. Some studies have shown that mixing Biofreeze with ultrasound coupling gel at ratios between 3:1 (Rigby et al. 2014) and 1:1 (Myrer et al. 2001) of ultrasound gel to Biofreeze produce similar heating of the tissue as 100% ultrasound gel. These studies found no statistical difference in tissue heating (~87% of pure ultrasound gel) during 10 minutes of ultrasound at 1.0 w/cm2 at 3 MHz. However, there is no evidence of the clinical benefit or harm associated with performing ultrasound treatments with Biofreeze mixtures.


Biofreeze® Topical Analgesic: Frequently Asked Questions
After applying Biofreeze, I have developed a rash/irritation on my skin. What should I do?
Biofreeze in the EYE – how should I treat this?
Can Biofreeze be used for ultrasound, phonophoresis or iontophoresis?
Can I buy the larger bottle sizes of the Biofreeze?
Can I use a heating pad while also using Biofreeze?
Can I use Biofreeze if I have Diabetes?
Can I use Biofreeze on an open wound or stitches?
Can I use Biofreeze on insect bites or for poison ivy?
Can I use Biofreeze to cool sunburn pain, in a tanning bed or sauna?
Can I wrap the area where I have used the Biofreeze?
Can you give me the name of a medical distributor in my area?
Can you send me a sample of Biofreeze?
Can you tell me the name of a Health Care Professional in my area where I can obtain Biofreeze?
Do I need a prescription to get Biofreeze?
Do you have any studies about long-term use of Biofreeze?
Does Biofreeze contain any gluten or other grain-based products?
Does Biofreeze enhance sports performance as a doping agent?
How long does Biofreeze last, when is the expiration date, does it spoil?
If I am Pregnant or nursing – Can I use Biofreeze?
Is Biofreeze available in stores or through the Internet?
Is Biofreeze registered with the FDA?
Is Biofreeze vegetarian friendly?
Is the coloring in Biofreeze harmful?
Is there Capcaisin in Biofreeze?
My child or pet ate Biofreeze, what do I do?
What is Cryotherapy?
What is Ilex?
What sizes of Biofreeze are available to purchase by a consumer?
Where can I buy Biofreeze?
Will Biofreeze cause an adverse effect if I am taking other medications?
Will Biofreeze freeze?
Will Biofreeze work on headaches?