My anti-depressants make me really prone to overheating so could be that if ur on anything. Autism can also make you quite sensitive to temperature so maybe ur just reacting more to temperature increases?

Is it ONLY your ears? Or is it like a ears face neck kind of thing like hot flashes?

I have something called PMDD and it causes bigger hormonal shifts when I am pmsing and during my period (so only like one week off a month without symptoms of it) and I get hot ears every time but usually hot flashes come after that. Hormones in general can cause them, so I wouldn’t get too worried!

Me (20F) and my dad (56M) both get very sudden and visible hot flushes in our ears sometimes. For context other things we have in common are: anxiety, autism (probably) and both of our jaws subluxate sometimes. It can be triggered by the “wrong kind” of warmth and sometimes emotion, occasionally there is no discernible trigger. I’m not sure if this will help but maybe you have something in common with us?

If your ears are red all the time, then it could be red ear syndrome. My mom has it and hers get really hot

I’m also autistic and I think it’s a regulation thing, I have issues regulating my temperature and a lot of my other autistic friends have the same issue