we are concerned about my daughters Mother in law visiting. extremely drowsy, nods off all the time. no appetite, diahrea, cannot hold bowels. taking oral Morphine 30 mg, Vicadin 325, diphenoxhlate-atrop 2.5mg, duloxetine hcl mg, levothyroxine 175mg,modafinil 200mg, Lyrica 150mg, something that ends In azolam,alendronate sodium 70mg, promethazine, leflunomide 20mg,vit d2 125 mg, prednisone5mg, and I think that is all. could these drugs be causing these symptoms