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Journal of Thai Traditional & Alternative Medicine                  Vol. 5 No. 3 September - December 2007  ÚÙ˘





                  Abstract
                       Preliminary Study of the Efficacy and Side Effects of ‘Ya Ammarin’ in Patients with Numbness of the
                       Extremities and Myalgia
                       Chaiwat Jattuporn, Saowakhon Ussawasrisuwan, Pojawan Thamcharoen, Benja Khumhaeng,
                       Thunyaporn Keawsontaya
                       Wangchan District Hospital, Wangchan District 21210, Rayong Province
                           The objective of this clinical research was to study the efficacy and side effects of a Thai traditional
                       herbal preparation called “Ya Ammarin” compared with a placebo in patients with numbness of the extremi-
                       ties and myalgia.  The study was carried out at Wangchan District Hospital, Rayong Province in patients who
                       were at least 32 years old.  There were 25 patients in the experimental group and 23 in the placebo group. Most
                       of the participants were females aged 41-60 and the majority had diabetes or hypertension.  Fifteen days prior
                       to the beginning of the study, most of the control group took NSAIDs, while most of the experimental group
                       took paracetamol.  At 15 days and at three months after starting the medication, the symptoms of both groups
                       were improved, but there was no statistically significant difference between the groups.  Only mild side effects
                       were observed in three patients, with no change in their liver or kidney functions.
                           Eighty percent of both groups were satisfied with the treatment while 20 percent were very satisfied. The
                       explanation for there being no statistically significant difference between the two groups could be a result of
                       the small sample size and high drop-out rate.  Therefore, it is recommended that further study should be
                       conducted in a larger number of patients.

                       Key words:  Ya Amarin, numbness of the extremities, myalgia
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