32yr female.. Sepsis and unconscious state.. Peripheral smear to comment

This 16 yr male boy came to our opd with severe pallor with splenohepatomegaly ( spleen 8cm bcm liver 4 cm bcm) with off and on fever negative for malaria and kala azar( K 39) what could be possible diagnosis and management pt is very poor we can't afford many investigation no prior transfusion history

3 months Old ; Peripheral Smear Hb - 4.4 gm/ dl TLC - 14,400 / Cumm Platelets - 80,000/cumm

A young female aged 14 years presented with complaints of jaundice (on/off), severe fatigue and weakness since 2 months....On examination she was found to have severe anemia along with Jaundice....CBC showed Pancytopenia....A diagnosis of Hemolysis was made...Comment on the clinical approach and investisgations required to treat the patient...

12 yr female pt presented with mild grade fever with anemia since 1 month...received blood transfusion for anemia...but she repeatedly presented with anemia...what will be line of investigation and management...?? cbc s/o of lymphocytic leukocytosis.....