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Chronic debilitating conditions with pain usually predispose individual to depression
. Individual become dependent on others and low mood, hopelessness and helplessness further worsen the condition.
in foot and referred pain
to foot from lower back may be due to entrapment neuropathy of some nerve fibre. Best to avoid pain is to take proper rest, Pregabalin
will help to decrease the damage.
Depression and also symptoms of PTSD to be given proper attention as ignorance will cause a demotivated state and you will not find relief. Some medicines like SNRI specially Duloxetine
are very helpful in depression with pain.
Symptomatic treatment with newer medicines like Flupitirine, which is non NSAID and non steroidal drug will prove useful.
Nerve conduction studies of affected limb will help to delineate the origin of pain.
Hope I cleared your doubt.