"No!" He knows Starscream doesn't know better, he just doesn't, but the suggestion makes Soundwave jerk back suddenly.

A bit shamefully, he admits, "Look, uh. It was... it was hard enough for me to ask 'Cade for help. I wasn't gonna have a medic look at my chamber. I can't."

After all of that with Prism as well as his rather unfortunate personal experiences with medics? He's going to back out of that for now.