Is it normal?

Shelly

I had a miscarriage May 4th 2019, bleed until May 22nd then had this come out:

Stopped bleeding for awhile and now May 29th I’m bleeding again and it burns very very bad. I went to the hospital 2 days ago because I had a stomach virus , and I also had them do a ultrasound to see if anything was left to come out and they said no. But idk what to do now