Doctor issues

My sons diagnosed asd. Thing is hes a teen and docs think hes reliable to talk to. I'm in the waiting room. Hes had ingrown toe nail for 12 weeks. Operation another 10 weeks away. Hes been crying and meltdowns, it bleeds alot etc but a doc asks how does it feel he says fine! I need advice e to get taken seriously please. Struggling. Now waiting to see gp but I know itll be same as usual as be er see same gp twice