Welcome to the Healing Well Wrapped Club! You're at the very beginning stage of recovery, and the symptoms you're describing are totally normal. Your swallowing is getting more difficult because your wrap is becoming increasingly more swollen. Peak swelling is on or about Day 14, and then the swelling begins to subside and your swallowing will gradually get better.
Crush your pills for a while if they're getting stuck. I'm 3 and a half years post-op and my wrap still doesn't let me swallow really big pills. Prior to my surgery I could handle any size "horse pill" without trouble. Now I take liquid calcium instead of tablets. Where there's a will, there's a way!
Here's a link to my early recovery journal. I think it'll help you to see that what you're experiencing is pretty typical:
Here's a good post-Nissen diet resource:
Glad you've joined the forum! Be sure to continue asking questions!
Words of wisdom by Eckhart Tolle:
"Whatever you fight, you strengthen, and what you resist, persists.”
“Worry pretends to be necessary but serves no useful purpose”
“Accept - then act. Whatever the present moment contains, accept it as if you had chosen it. Always work with it, not against it.”