Yes, p-l-e-a-s-e discuss this with your Vet!
Not only are there non-prescription supplements that may help, depending on the diagnosis, but should prescription strength meds be necessary, it may be possible to reduce the dose (and the cost) after the initial treatment to achieve relief. A friend's 10+ year old golden mix has been able to reach pain free maintenance on 1/4 the initial treatment dose. Scaling back took a couple of months, but she's her old self again. Every dog is different, but it's really crucial that you get the proper diagnosis!