Does this sound like mastitis?

Disclaimer I called out of hours and will get a call back in 6 hours because they’re busy

My son is I’ll with unknown virus he has had a bit of a temp and a rash all over his body

I feel absolutely dreadful, but I have a lot of pain in once breast, it’s not red and I can’t tell if I can feel a lump but it hurts hardly any milk is coming out just some blood.

My body aches are awful, temp is 39 despite taking medicine. I gues what I’m asking is do I more likely have the virus or mastitis….

I have a splitting headache too not sure what that would be related too… I’ve done all the mastitis stuff u read online to help just incase- it hasn’t