Our expert says:
According to my copy of MIMS, Reductil or sibutramine suppresses the appetite. It is associated with the following side-effects: chills, cardiovascular effects, gastrointestinal disturbances, central nervous system effects, sweating. Muscle pain and stiffness, are not mentioned.
I think that you may have a viral infection like flu or have strained your neck. If the condition persists, please see a doctor so that you can be treated for this problem.
Hope you feel better soon.
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