My Dad Is 50 Years Old He Went To The

My dad is 50 years old he went to the doctor they did a blood test and they called the next day and said he has abnormalities is his blood what does that mean he take medicine for his back he has deteriated dics 3 of them in his lower back and he needs back surgerie could this medication be the problem not sure what meds they have him on but he said doctors give it to patience to help with seizers and if it could be he meds can it be treated