Can i take nulev and elavil (amitriptyline)?

Proceed With Caution: Using Elavil (generic amitriptyline) with nulev (generic hyoscyamine) may increase side effects such as drowsiness, blurred vision, dry mouth, heat intolerance, flushing, decreased sweating, difficulty urinating, abdominal cramping, constipation, rapid heart beats, confusion, and memory problems. The elderly are especially vulnerable to these side effects. Work closely with md.