The part where you need 1000 tablets, that’s more than a lifetime supply. If you need that many you’re better off visiting the doctor and fix whatever the issue is.
In Europe, generally paracetamol (brand name Tylenol in the US) is recommended for headaches / the common cold / flu, and ibuprofen for muscle aches / inflammation.
For something more severe, they'll recommend taking one type of painkiller, waiting 2 hours, taking the other, then 2 hours later repeating the process.
Asprin is has mostly fallen out of usage as a painkiller, but is sometimes still used for heart / blood problems.
These painkillers are out of patent, so there is never a good reason to pay more for a fancy brand.
That's long been my approach with the starting meds reversed (ibuprofen, then Tylenol if needed). Acetaminophen/paracetamol's therapeutic dosage is much closer to the amount required for liver toxicity than Ibuprofen's is for kidneys, so I think it's better to start with the lower-risk medication. If I'm in the middle of a multi-day episode that's well-managed with just one medication at the regular dosing schedule, I will often alternate between them.
Chronic pain patients in civilized countries get a prescription note for a single card of, say, 20 tablets, then visit their local pharmacy in a walkable neighborhood to get their free medicine every other week or so.
A very sizeable percentage of Americans can't even afford rent on a one-bedroom apartment working two jobs, and they don't have health insurance. There is no "going to the doctor" when paying out of pocket at even just the clinic costs more than a week's wages. Between chronic discomfort and homelessness, they choose discomfort.
......fixing general muscle pain? What do you expect a doctor to resolve there? This is fucking Ibuprofen. Advil. Am I taking crazy pills or is this thread actually happening in real life?
General muscle pain, as in pain after exercising? A few times? Sure, I get that. Regularly enough to buy 1000 Ibuprofen tablets? Pretty sure that’s not recommended.