That did cross my mind, but because the patches can take upto 24 hours to work and you'd need a constant supply to keep her in that state, so I ruled them out. But maybe you're right, it now has me wondering if that red mark on her shoulder was from having an adverse reaction to one, which is extremely common.Late to this convo but alternative to morphine could be fentalyl patch they're often prescribed for those suffering with cancer as taking orally can upset their digestive system. Would explain the decline over time as the patch effects kick in too.