Doctor ordered a new RX for my disabled client, it...

Doctor ordered a new RX for my disabled client, it didn't get written, called and old rx was mistakenly written, called again several times, issue took 2 months to fix.
Also, explained to nurse that the patient was deaf, as in cannot hear ANYTHING, and she then proceeded to speak to him in a louder voice as if that would help.
Poor follow up by support staff and extremely inconsiderate of my deaf client.