Had success with nerve block for hip,back,groin pain. now on lyrica (pregabalin). what are issues with long term use and could mri help identify source of pain?

Possibilities..: Some of the side effects of longer term use of Lyrica (pregabalin) are weight gain, blurred vision, elevation in a muscle enzyme called creatine kinase, decrease in platelet counts, and difficulty in concentration and attention, but not everyone experiences these. Also, the longer you are on it, the more important it is to do a controlled taper to come off it, if you ever decide to do so. Yes, MRI could help.

Effective drug: Lyrica (pregabalin) works well for many chronic pain patterns, but could cause side effects of weight gain, swelling of feet and ankles, drowsiness, dizziness. Dosage can be readily titrated to most appropriate level for you, but some degree of tolerance will develop over time. MRI may show specific pain generator but not clear whether this will help, based on given data.