Based on the context and the answer, generate a question. 

Context: We rigged it up so that it works again , but it 's no longer a textbook SPL system . We 're going to keep up the meds for another week , but reduce her Banamine from 500 # twice a day to 500 # once a day . Rosie did not act like a lady for Megan today .

Answer:

It was no longer working .



What may be the reason why they needed to adjust the medicine ?