I noticed I became lactose intolerant lately as well. My sister used to be terribly intolerant but she grew out of it. I’m hoping it’ll be the same for me.
I bought a generic brand of lactaid at CVS for much less and it has helped a ton. Many pharmacies and supermarkets have there own generic brands that work just as well. I would take 2 at a time if I’m eating or drinking something heavy.