There's currently quiet a few of us with MCT problems, me being on the of them
I've been using
@Sydneycitysupplements GSO test and tren ace and honestly can't fault it. Don't have the same issues which is great for the mental

I thought I was fkd I was getting massive welts and terrible PIP. It may turn out to be brewing related however, I'm not sure which vendors oil your using but they could have a different BA OR BB mix your body doesn't like or the temp / filtering method they've used
I'd try another vendor or swap a vial with someone else if you can, see if that's works and if not you'll have to switch to GSO / Pharma grade products.
Shoot me a message if you need a hand with anything