Sorry to hear that. Subcision just like any other treatment is pretty much hit or miss, my scars relapsed as well after subcision(plus suction) downtime but did not get any worse. Maybe your surgeon was inexperienced and did not perform it correctly. Also from what Ive read on the forums and research articles, you usually need multiple session of subcision. I would wait few more weeks and see if any improvement happens, and possibly do 1 more subcision treatment with a different experienced surgeon.
Out of all the honest reviews I've seen on the forums with before and after pictures(not shady pictures with different angles, lighting, photoshop) from real users(not fake users promoting their crappy product). The treatments that have worked for people seem to be Subcision, Tca cross, Stem cell? I think(Search Ernesto's thread), and a French doctor who plugs some fat into acne scars and dermabrasion after to level it with your normal skin.
what french doctor?