Most medicine bottles are childproof to prevent kids from opening them up. It's a really great and protective invention that has surely prevented a handful of accidents. The issue with them is that they can be extremely difficult to open, even for adults. There is a really simple way to disable the childproof mechanism, and you won't ever have to struggle with opening your pill bottles again.
Many people don't know that turning the medicine cap upside down will both seal your bottle and will make it way easier to open; just make sure it's out of reach from any children.