Dominican:
I brought an extra large suitcase and had it filled with clothes and gifts for my fiance's family. There was about 30 dollar store items, and about 40 shirts/shorts with tags still on them.
My fiance hired a man to help me carrying the 2 stuffed suitcases, and the man brought me through to the guys to search the suitcases. I noticed that all the other people on the flight didn't hire a man to carry the bags, and they just walked right around the corner to the kiosks.
When you fly into Punta Cana, after retrieving your suitcases, you are not "forced" to even go PAST a guard who searches.
This guy just flipped through the clothes, never inspected anything in great detail and never asked for my receipts. Never opened my makeup bag, or any other bags that I had in there.
I didn't have any of the medications you guys are talking about.
Hope this helps a little. But I'm not worried. I'm just not going to let anyone help me. The guys in my family can carry my extra suitcases that are not on wheels, and I'm sure I'll be fine (fingers crossed)