HI, My Name Is Raymond. I Have A Girlfriend, Denise,

HI, my name is Raymond. I have a girlfriend, Denise, who is prescribed Morphine patches, due to suffering arthritis in both ankles. Denise, has suffered this problem for a lot of years, and from the moment she started wearing those patches, and I'm hoping it's just coincidence, I've suffered an awful lot of itching, and at times it's unbearable to painful. Is it possible the two are linked, if so, is there a remedy?