Dealing with Symptoms Without Medication

2-2.5L of water minimum and 3,000-10,000 mg of salt are the standard treatments for POTS. I also cannot afford most treatments, so I just follow the research. Also, avoid changing height a lot (sitting up, moving your head, raising your arms, standing up, etc).

Ymmv because it depends on the cause of your pots. But for me, avoiding large meals is important, and drinking caffeine helps increase vasoconstriction (though for some caffeine can make it worse). For many, lots of salt and fluids help but I'm sure you've already heard about that