The answer is yeas this foes cause cramps and very painful too. I am taking liquid morphine 10mg/5ml 7.5 ml at 8.30 pm and seems to be of little help.
Most of the time I take Tramadol and Ropinirole;en0.50mg twice with tea and dinner it would seem to help.
Now I get RLS symptom ie pain and cramps 4 in the morning screaming with apn. Any help or advice please. Thanks