patients switch to completely different drugs.
        Our <a href="/price-per-unit-faq">full FAQ</a> gives the detail, but in
        short: there can be huge variation in the price a practice or Sub-ICB Location pay
        for a treatment, even for the same drug at the same dose. It is well
        known that branded and generic versions of the same treatment will have
        different prices; but different specific “brands” of “branded generic”
        may also have different prices; and there 