[…] tachycardia and hypotension, renal anomalies like anuria or a change of urine color to reddish due to hemoglobinuria and systemic symptoms, such as high fever, chills, headaches, flushing
[symptoma.com]
Common signs of AHTR are: fever, chills/rigors, facial flushing, chest pain, abdominal pain, back/flank pain,nausea/vomiting,diarrhea, hypotension, pallor, jaundice, oligoanuria
[notifylibrary.org]
Symptoms may include any of the following: Back pain Bloody urine Chills Fainting or dizziness Fever Flank pain Flushing of the skin Symptoms of a hemolytic transfusion reaction
[medlineplus.gov]