Blood in stool treated with corid but Still sick. Sour crop? Someone please help

[Chickytendie]

my new batch of chicks are about 13weeks old. Last week 1 hen out of 6 had some blood in the stool. Everyone was treated with corid promptly 2tsp per gallon of water for 5days.

Two days after the end of their corid round (this Sunday), 2 other chicks had blood in the stool. The original one is back to normal. I again started corid, I gave each of the two chicks an oral dose as well (.1ml per pound) They are huddled in the corner and haven’t eaten in two days they do get up to drink water though. I brought them inside, their crops are full of water. I checked their crop this morning and they still had water in there despite having no access to water overnight.
Their poop no longer has blood in it. But it is brown and runny.
I’ve added a photo of the bloody poop I found.

Please could someone advise me on what to do next for them.

 

[Chicken_Obsesser]

@azygous

 

[azygous]

Coccidiosis often has a secondary infection going on where the coccidia have eroded and inflamed the intestinal lining. It's called necrotic enteritis. It requires an antibiotic to treat it. This is the med I suggest. https://jedds.com/products/trimethoprin-sulfa-medpet?_pos=1&_sid=9ba243557&_ss=r

 

[Chickytendie]

@azygous I will order this right now. I do have 12 Smz tablets I got from the vet for a different chicken from a while ago. It says 1/2 tablet in 1liter of water. Will this be ok until the powder arrives?

Should I give this to all 18 chickens the 12 adult & 6 chicks. or just the 2 chicks that seem down. I should mention I have 12 adult chickens they are all in the same coop but have a separate area and separate run although there were a couple of days that i was letting them mingle. All adult chickens were also treated with corid at the same time.

 

[azygous]

When treating coccidiosis, it's best to treat all the flock assuming they all have been exposed and are in different levels of infection. Enteritis is best treated before it gets to the bloody stage. Yes, use the med on hand until the other stuff comes.