I attempted to purchase sterile water and was told I needed a prescription for the purchase to take place.
Do you mean injectable or for irrigation? You can make you're own for irrigation by just boiling the water. For injection you'd need a reason for it, like if a dr ordered an antibiotic to be given by shot, but then he'd order the sterile water at that time. If you need sterile water for irrigation for wound care or a foley, generally you'd have a visiting nurse and its up to her to see that all the supplies you need are sent.
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