3. Menthol, Eucalyptus and Mint Oils. Pain relieving creams containing either one or a combination of menthol, camphor, eucalyptus, spearmint, wintergreen or peppermint are thought to work by "confusing" nerve signals into feeling heat and cold sensations instead of pain.  Popular brands include Mentholatum Deep Heating Rub® and Icy Hot® (which may contain methyl salicylate too).  While many pain sufferers say these products work, its' relief is temporary at best.  These pain relief creams have to be reapplied frequently and tend to have strong fragrances.
One concern about the use of products like Voltaren is that several conditions are less inflammatory in nature than they feel like. Patients usually assume that the “burning” pain of repetitive strain injuries like tendinitis is caused by inflammation, but in fact classic inflammation is largely absent, especially after initial flare-ups have died down (but pain is still carrying on). While it is possible, even likely, that tendinitis is still inflamed in some sense, it’s doubtful that they are inflamed in a way that NSAIDs are actually good for. The biochemistry of cranky tendons is rather complex and largely unknown. There’s probably some overlap between the biology of acute, classic inflammation and the subtler biology of chronic tendinitis, but no one really knows. So the value of Voltaren for tendinitis is unclear.
I purchased this because it was less expensive than Penetrex and I'd thought I'd try it out.. Unfortunately, compared to Penetrex, at least for me, I do not feel that it is worth the savings. I'm using it for Plantar Fasciitis and Osteoarthritis in my knees. Although it does provide some pain relief, the duration is limited to a couple hours, whereas Penetrex lasts for up to half a day. However, SynthaFlex does offer a little more relief, albeit very temporarily, for my Osteoarthritis than Penetrex does. It is not nearly as effective for my Plantar Fasciitis pain. Ultimately, if I have to apply it many times throughout the day, it is not cost effective in comparison.
When used together, menthol and methly salicylate create vasodilation (opening of the blood vessels) close to the surface of the skin.  Increased blood flow to the area of application is said to have pain-killing on the nerve receptors in the treated area.  When combined, these two ingredients also work together to form a class of treatment called counterirritants. Counterirritants work by tricking the body into feeling sensations other than pain. The menthol and methyl salicylate in muscle creams create conflicting feelings of warmth and cold. When the nervous system sends both of these sensations, at the same time, they compete with and ultimately block pain signals from travelling to the brain.  Together these ingredients, when delivered in muscle creams or sports balms, work to create a powerful 1-2 punch, killing pain and providing relief to aching muscles and joints.
Studies have shown that the gel from this medicinal plant is able to relieve the pain and improve joint movement and stiffness in individuals with arthrosis in the fingers at the same level as ibuprofen. It demonstrates that arnica is an effective alternative to the use of NSAIDs (such as ibuprofen) against this type of conditions, as arnica also prevents the gastric irritation caused by treatment with ibuprofen. Its use is therefore particularly recommended in individuals with stomach problems.
Back pain can interrupt your day or interfere with your plans. In fact, there’s an 84 percent chance that you will develop low back pain in your lifetime. But back pain isn’t always something you can ignore or wait for it to resolve on its own. Thankfully, there are several ways to treat back pain at home. These remedies include everything from herbs to massages. Keep reading to see how you can ease your back pain.

Curcumin is the bioactive compound in turmeric that gives the herb its healing properties. It’s one of the safest anti-inflammatories you can take, and is an effective natural pain reliever too — even for severe pain. In fact, curcumin matches or outperforms ibuprofen, acetaminophen, and other over-the-counter painkillers without any side effects.[12]
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