Hairball in my cats colon

[tmygrl909]

Hello all, I just joined and this is my first person I am in need of advice for my kitty named Logan, 7 yrs old, male, neutered, Siamese, 10 lbs. He is on whole hearted grain free chicken dry food and fancy feast wet food 2x/ day breakfast and dinner. His only medication is "Revolution" on his neck fur 1x/ month, he will have his 3rd treatment tomorrow. He's up to date on all vaccines with most recent annual check up 8/2025. He is an indoor cat and sensitive and emotional. Last thursday (1 week ago) his change in behavior and symptoms began. I noticed he was apprehensive to eat his breakfast and again his dinner. He puked a couple hours after dinner- whole undigested food and again 2 hours later white foam. I took him to the vet the next morning. They took bloodwork and did x-ray. x-ray came back "clear" and the vet thought he had a hairball in his colon that is trying to work its way out. Blood work was great. Vet said she recommended ultrasound if symptoms persisted. She gave him b vitamin and fluids. He got better the next day and was back to himself 24 hours later- running, active and eating. This continued for 4-5 days and now we are 1 week later and exact symptoms have returned. Wednesday night (last night) he was apprehensive to eat dinner and eventually only ate his wet food- puked it up 3 hours later and then puked white foam at 4 am and again this morning 9:45 am. He did not eat breakfast or dinner. He has been sleepy all day (not hiding but sleeping on my bed and with little energy). I went to the local hollistic store and bought pumpkin puree cat wet food, hairball mouse wet food pouch and salmon treats (he does not usually eat treats). I put all of these out for him in addition to his normal fancy feast and he has approached his plate a few times but not eaten. His last stool was last night. I have not seen any hair in his stool. While he was lethargic all day, his energy and personality returned a few hours ago this afternoon, however he still is not eating. It will be 24 hours since his last meal (dinner last night he puked). How long does it take a hairball to pass through the colon? Is it normal for him to have symptoms, get better for 4 days and have symptoms again with a hairball in the colon? What signs and symptoms should I monitor for? Is this an emergency situation? HELP! @Dr.christina @Dr.Jeff