Table 1

Inclusion and Exclusion Criteria

Inclusion Criteria

Exclusion Criteria


At least 21 years of age.

Pregnancy.


Established diagnosis of neuropathic pain for at least the past 3 months, confirmed by primary care physician and/or neurologist.

Previous use, continuing use, or other knowledge of Neuragen PN®.


Pain of at least level 3 and no higher than 8 on a 0-10 scale, despite other treatments.

Evidence of other types of pain as, or more severe, than the pain under study.


Normal cognitive and communication skills (as judged by investigator) and ability to complete self report questionnaires.

Major psychological conditions requiring treatment.


History of eczema/atopy/anaphylaxis or unusual skin reactions.


Self reported sensitivity to perfumes, essential oils, or strong odors.


Changes to current pain management regime within the previous month.


Li BMC Complementary and Alternative Medicine 2010 10:22   doi:10.1186/1472-6882-10-22

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