Yesterday, my niece was telling me about someone she knows who suffers from fibromyalgia. She was given meds for that, but suffered side-effects from them so was given meds to deal with those. The side-effect meds had side-effects, so then she was given meds for the side-effects of the side-effect meds. You can see where this is going ... She is now taking 30 pills a day and the number keeps going up. I would have thought that at some point, the doctor would think that this is not really a great idea and would start again with a simpler regime!
This kind of thing happened with my mum a couple of times before she died. Change of one drug, a drug to deal with side-effects, change of dose, change of frequency, eat more food, eat less food. I got the distinct impression that the doctor was guessing what to do. He tripled the dose of one drug overnight which led to a blackout, a fall, and several months in hospital. He then simply shrugged his shoulders and halved the original dose!