Restless leg syndrome can be difficult to treat.
The cause of restless leg syndrome is often unknown in most cases.
It can be associated with heredity, obesity, smoking, caffeine, alcohol, nerve disease like polyneuropathy, hormonal imba***** *****ke diabetes, hypothyroidism, kidney disease. Deficiency state like iron deficiency, anemia, vitamin & mineral deficiency.
It can be an effect of drugs like H2 histamine blocker, antidepressants like elavil etc.
Risperdal can cause restlessness of the leg.
You can discuss it with your doctor.
I feel you should consult a neurologist for an examination & find out the cause.
You can avoid smoking, caffeine, alcohol etc if you take at all.
The medicine options of restless leg are carbidopa-levodopa, propoxyphene, tramadol,, clonazepam, baclofen, gabapentin
, mirapax, requip ,electric nerve stimulation,etc.
Doctor will decide whether risperdal is causing the symptoms or you will need other medicine for this issue.
Please feel free for any follow up query.