Both of my parents live with me (going on 4 years). My dad has more progressed vascular dementia and my mom is at the very beginning stages of it. Right now my dad has a cold/allergies. He has been coughing for 48 hours. I did speak to his doctor who thinks it is allergies and prescribed an antihistamine for starters. My question is this: His cough is so loud and exaggerated. Every noise he makes is loud and exaggerated. It is as though he has lost his ability to modulate. The issue for me is that I don't have much patience with it and he is clearly sick. It is hard to be empathic because it seems larger than life. He never needed as much attention as he seems to need now. Any suggestions?