Now, I'm not a doctor, nor do I even play one on TV, buuuuut.....
Number One: I think he/she must have meant "cerebra
l" instead of cerebra
r....to do with the brain?
Number Two: arthrosis, says the dictionary, is "a degenerative disease of a joint" (Brain=joint?)
Number Three: The medication, which is called cinnarizine in English, is classified as an antiemetic, which stops nausea and vomiting.
More info on the drug here.
Nothing seems to add up - was that a prescription or what?