What is the treatment to get potassium up to hyperkalemia besides bananas?

Potassium rich foods. Include bananas as you said, citrus fruits including oj, potatoes, tomato sauce/paste including ketchup, and squash. Medicine will need to be given by your doctor since potassium otc is suboptimal to do the job due to the need for a higher dose and need for blood level frequent check. There are meds and water pills that your doctor can use to boost your potassium level too.