6 month old infant passing blood in stool. Started with loose watery stool , today (3rd day) -

A 4 years old boy, complaining č severe pain abdo. with continuing vomiting. Rectal bleeding č fever č xerostomia. O/E Temperature 103° Pulse 110 bpm R/R 28 bpm Spo2 84% Chest B/L clear

1 month Fch....on exclusively mother feed having sudden mucosal bleeding and blood in stools for 2 days...Baby is active ...alert ...feeding well kindly suggest your valuable opinion regarding diagnosis and treatment....

1 year female 5.7 kg c/o.hematochezia+Malena,poor activity, lethargic, i am attaching Routine blood tests kindly add ddx and investigation i should advice for

a baby of 5 month having blood In stool for last 7 days 15 days back responded to after giving various antibiotics first cefixime then azithral then finally septran (shown in stool culture sensitivity report) given for 10 days blood disappeared now baby again having altered consistency of stool , no blood but stool showing pus cell should go for repeat cultures??? nd now empirical which antibiotics should be used??? stool for reducing substance negative baby on breast feeding

6 year old girl, complaints of headach, abdominal pain with bloody stool and frequent constipation, fever since 20 days....CBC normal, widal normal, probable diagnosis??