Why is my roommate's cat hissing and following me?
Unfamiliar cats may show teeth and follow you when they feel stressed by a person they do not know well. This uncertainty prevents people who are already uncomfortable around cats from feeling safe in their own living space.
What the numbers show
Counted from the threads quoted below. How we count
- Most of it landed at once — the busiest month was September 2026, with 50 people.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Feeding the catDid this help you?
- 2Petting the catDid this help you?
- 3Checking the cat's tail posture to gauge moodDid this help you?
- 4testing a standard cat carrier firstDid this help you?
- 5using a pet stroller instead of a backpackDid this help you?
- 6leaving the cat inside to look out the windowDid this help you?
- 7Never letting the cat outside again even with supervisionDid this help you?
- 8Ushering the cat inside quicklyDid this help you?
- 9Asking online community members for clarificationDid this help you?
- 10Observing the intensity and speed of the tail movementDid this help you?
- 11Looking at overall cat behavior like purring and making biscuitsDid this help you?
- 12consulting veterinariansDid this help you?
- 13asking online communitiesDid this help you?
- 14researching cat behavior onlineDid this help you?
- 15Waiting for the cat to decompressDid this help you?
- 16Giving the cat space and a box with a blanketDid this help you?
- 17Observing if the cat is drooling or has a hairballDid this help you?
- 18Saying hello back to the catDid this help you?
- 19Praising the cat and acknowledging its "kill"Did this help you?
- 20checking for ear infections or ear mites to rule out equilibrium issuesDid this help you?
- 21Assuming the cat is simply having a dreamDid this help you?
- 22Accepting minor scratches and scars as part of the interactionDid this help you?
- 23separating themDid this help you?
- 24looking for signs like self grooming or tails indicating they are coolDid this help you?
- 25monitoring urination to check for urinary blockagesDid this help you?
- 26accepting the behavior as a self-soothing comfort habitDid this help you?
- 27sending a video to the vetDid this help you?
- 28taking the kitten to the vet for a checkupDid this help you?
- 29observing context and postureDid this help you?
- 30closing the windowDid this help you?
- 31Booking a veterinary appointment to check the catDid this help you?
- 32Consulting a veterinarianDid this help you?
- 33Checking the cat's teeth for irritation or trapped objectsDid this help you?
- 34Checking if the cat's behavior has changed (eating, using the litter box, walking, jumping)Did this help you?
- 35Seeing if the cat's whiskers relax when you move awayDid this help you?
- 36Comparing the expression to the cat's normal baselineDid this help you?
- 37Asking online communities for adviceDid this help you?
- 38Joking that the cat is in deep meditation, opening blinds to prevent sensory deprivation, or guessing the cat is wondering about dinner.Did this help you?
- 39Checking for redness or swelling to determine if there is harmDid this help you?
- 40Inspecting the nail to see if it is shorter or has a jagged edge from getting caught on somethingDid this help you?
- 41sacrificing your arm for playtimeDid this help you?
- 42Waiting for the upcoming yearly checkup to mention it to the veterinarianDid this help you?
- 43Recording a video of the behavior to show the vetDid this help you?
- 44Checking inside the cat's mouth with a flashlightDid this help you?
- 45Planning to take the cat to the vetDid this help you?
- 46Posting in local social media groups to find the ownerDid this help you?
- 47Calling animal protection servicesDid this help you?
- 48Closing doors or separating catsDid this help you?
- 49Leaving food outsideDid this help you?
- 50Watching for physical signs like belly exposure, lack of loud vocalization, and absence of fear behaviors to confirm it is play rather than aggression.Did this help you?
- 51Giving the cat more scritches or treats when it happensDid this help you?
- 52Pushing the cat off the lap when it hissesDid this help you?
- 53Watching the rest of the cat's body languageDid this help you?
- 54Stopping what you are doing without kicking the cat offDid this help you?
- 55Tracking where the cat is being touched to identify sensitive spots or pain areasDid this help you?
- 56Sticking to just one part for pettingDid this help you?
- 57Wrestling with the cat until it gets tiredDid this help you?
- 58waiting another day to see if behavior improvesDid this help you?
- 59checking if the cat's belly is firmDid this help you?
- 60considering potential causes like constipation, torn skin, or anal gland issuesDid this help you?
- 61planning a trip to the vetDid this help you?
- 62Waiting for the cat to get comfortable over timeDid this help you?
- 63Feeding treats from the handDid this help you?
- 64Setting up hides and sitting quietly next to themDid this help you?
- 65Asking online communities if the behavior is normal and comparing notes with other cat owners.Did this help you?
- 66Looking for toys in the house or improvising with household items like keysDid this help you?
- 67Feeding the cat, cleaning the litter box, and otherwise just hanging out without approaching the cat unless it approaches firstDid this help you?
- 68Getting a second opinion from another vetDid this help you?
- 69Observing the cat over timeDid this help you?
- 70Recognizing signs of over-stimulationDid this help you?
- 71treating it as a sign of trust and comfortDid this help you?
- 72interpreting it as a way of acknowledging your presenceDid this help you?
- 73Asking online forums for confirmation from experienced ownersDid this help you?
- 74Using slow feeder matsDid this help you?
- 75Checking with a veterinarianDid this help you?
- 76Keeping an eye on the cat to see if they look happy or if the behavior continuesDid this help you?
- 77trying to do a slow introductionDid this help you?
- 78keeping the kitten in my room with me at night and when i can’t be aroundDid this help you?
- 79Asking a forum to interpret the behavior from a video or description.Did this help you?
- 80Looking for specific aggressive cues like low growling, flattened ears, or a puffy tail.Did this help you?
- 81Testing their reaction with a slightly open window or through a screen before making a decision.Did this help you?
- 82Trying different types of litter in multiple litter boxes.Did this help you?
- 83Ensuring the litter box is uncovered, in a quiet place, and scooped daily.Did this help you?
- 84Cat-ifying the home by providing cat trees and dedicated spaces.Did this help you?
- 85Watching Jackson Galaxy videos for behavioral advice.Did this help you?
- 86Just shake you head and mind your business.Did this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“First cat we've ever had (he was a stray). Sleeps 75% of the time. Grooms/eats 20% of the time. Active/plays remaining 5%. In the evening he lies around like this...”source ↗
“Does anyone else’s cat do this?”source ↗
“Anyone know why some cats keep stretching like this whenever they see there owners?”source ↗
“My cat (male, less than 1 year old) has been doing this for like 5 minutes everyday where he looks somewhere random mostly the ceiling and just meows like this.”source ↗
“Is this normal or should I be concerned?”source ↗
“I am having a hard time understanding “cat”. Can you tell me anything about this body-language?”source ↗
“Does anyone know what this behaviour is?”source ↗
“Maybe I’m just really paranoid but the way he walked towards me looked like he was walking towards prey.”source ↗
“Is he like this because he can smell my lady cat and desperately wants to get to her, or did he just want the food i had put out (behind the camera)? Or did he want to murder me and then go get her?”source ↗
“Our Matt (the cat!) just started vibrating his feet when purring. Is this concerning?”source ↗
“First time kitty owner. I adopted her about 4 months ago”source ↗
“is it normal for these little killers to constantly be stalking you throughout your house plotting your demise?”source ↗
“are there common/generally accepted ways that personality traits tend to develop in contrast between male and female cats?”source ↗
“I've had 2 female cats before him and the difference in the way they behave is so opposite.”source ↗
“So I saw this picture on Reddit that explains the signs of pain for cats. After that, I scanned my cat for signs and now I am seriously worried.”source ↗
“I somehow see signs of pain but at the same time I don’t? I literally stood there for 10 minutes scanning, maybe he’s just irritated by me for looking at him the whole time…”source ↗
“My 14yo cat started doing this strange behavior about 3 nights ago.”source ↗
“It looks like she has something stuck in her mouth or throat and is trying to clear it.”source ↗
“The strange part is that she only seems to do it at night.”source ↗
“This kitten is doing something strange where she’s kneading into everything and I mean everything she walks and she kneads. I assume this is normal for a kitten but I never seen it before and wanted to double check.”source ↗
“i want to know if this is good behavior for kitties who just met.”source ↗
“But I’m not sure how she’s feeling based on her behavior, which is why I’m looking for advice.”source ↗
“I, too, overanalyzed the shit out of my cats face for weeks after discovering the grimace scale.”source ↗
“Is my cat normal or contemplating the universe?”source ↗
“I wanted to make sure she isn’t annoyed or stressed. Does anyone know what the small little tail swishes mean?”source ↗
“our younger cat (4) seems completely unrepentant about harassing the crap out of his older brother (7). Also worried that his fighting technique may be a bit questionable.”source ↗
“I she’s 7 months old. I’ve had her for 5 months and she’s always kind of sat like this but it looks odd to me. She is healthy otherwise.”source ↗
“was petting this stary cat and whenever i pet her back she does this, what does it mean?”source ↗
“i think it was definitely playful but this was the only instance where he attacked me out of the blue so was wondering if this was just a zoomie or something else.”source ↗
“I’m not sure whether they love each other or hate each other?”source ↗
“Can anyone tell what the cat on the right is trying to communicate?”source ↗
“I'm wondering if the new cat is trying to befriend ours or assert dominance over our garden?”source ↗
“He always does this when he turns his head”source ↗
“He started charging toward ME and attacked the hell out of me.”source ↗
“now that he’s inside he’s still making those deep guttural meows at me and puffing his tail like I’m still a threat.”source ↗
“I’m so scared that he hates me now.”source ↗
“Ass soon as I stood back up though, he started hissing and growling at me again.”source ↗
“Our cat stared needing the blankets on the bed in a weird hunched over posture.”source ↗
“She isn’t aggressive or anything but it almost looks like she’s going to use the bathroom or something.”source ↗
“first time cat owners & adopted like 3 weeks ago. is he annoyed? is he chillin? is he just weird?”source ↗
“I just adopted him 3 weeks ago and am trimming his nails for the first time”source ↗
“I wanted know why my cat tail puff at the base when he greet me or want a pet / cuddle”source ↗
“I like to piss off my cat a little bit by petting his belly and he often gets excited and grabs by hand. I was wondering if instead he wants to make me stop doing it”source ↗
“I wanted to make sure it was healthy for him and he is happy.”source ↗
“Anyone else's do.. whatever this is?”source ↗
“Have never known what it is or why he does it so thought I'd see if anyone has any insight”source ↗
“he started doing this after i introduced my kitten but as the months go on he starts to scream at me while humping me? i’m scared it’s a urinary blockage”source ↗
“Randomly he'll do this, mostly while he's eating. What is he doing? Lol”source ↗
“She started peeing on my br rugs, bdr carpet, going through the kitchen garbage at night, crying in the very early morning, climbing on top of the fridge.”source ↗
“What I’m about to say will sound very naive, but I never expected to have to deal with those things, as a former dog owner.”source ↗
“I also hate that I get annoyed by her so much :(”source ↗
“Any idea what she is doing when she makes this noise with her mouth?”source ↗
“I can’t tell if she’s trying to rock his shit or have a buddy 😭”source ↗
“This happens randomly, idk what it is since I've never had a cat before and I've got him recently, he seemed fine, he's not behaving any different from when he didn't have it.”source ↗
“He did this once yesterday and I thought it was cuz he got too close to the litter while I was changing it out (dust) but he just did it again a bit when I took him out to play after my shower.”source ↗
“Thank you! She didn’t seem annoyed or stressed but I remember someone telling me when a cat swishes their tail it means they’re annoyed or upset. I figured this might be more like a human tapping their foot casually sorta thing, but I wanted to be sure!”source ↗
“is this him being adorable and having kitty dreams, OR is he in some kind of distress?”source ↗
“ive had her for about 5 months and shes undoubtedly happy all the time but is also always wagging like shes pissed off”source ↗
“He does this sometimes for a minute or two and then goes back to normal, he’s been a very loud purrer ever since I got him.”source ↗
“We have two cats that puff the base of their tail when they are in a happy/loving mood.”source ↗
“Recently one of them ( the one who let me touch him the least), has started licking smelling and biting my finger, is this playing ?”source ↗
“He still won't let me touch him and runs away if i approach , but at the right time he seems to love just the finger. I just want to understand what this is to him? Is it playing?”source ↗
“As a self-proclaimed dog person not sure how to play with this cat ngl…”source ↗
“She plays with them more obsessively than any other toy and she likes to catch one and then carry it over to a specific place and then make these meows. I've never heard meow like this in any other context. Is she happy? Distressed? Protective? Maternal? Nervous?”source ↗
“It is my roomate's cats and it has seen me few times before though I have never played with him/her. I am usually not comfortable with cats(including this one).”source ↗
“He/She seems mad if that changes anything, teeth showing.”source ↗
“I have one that too.”source ↗
“Confused as bellies are showing and they’re willingly laying close but my older cat is growling.”source ↗
“my 3m old f kitten sometimes does this with her head when she purrs, like pulses it? is it a burp or what do you think it could be?”source ↗
“occasionally, he'll start to bite or claw at my hand, albeit "gently." If my face is in reach, he'll growl and paw at my face. Then from time to time, he'll follow up with a hiss, which I find very aggressive.”source ↗
“Is he communicating "ok, I'm done with the petting now." ? Or, "no, I'm not ready to get off your lap yet." ? Just communicating frustration?”source ↗
“I'm not sure if I should or could disabuse him of this behavior, or if I should roll with it.”source ↗
“Mine just did this for the first time the other day and hadn’t since - I was concerned but he looked happy and tired and all sprawled out so I was just gonna keep an eye out haha”source ↗
“What is my cat doing?”source ↗
“My cat (1yr male) keeps doing what I assume to be making biscuits on his favorite toy. What's weird is it looks almost like he's humping it”source ↗
“Is this normal?”source ↗
“Thought it was a great idea... turns out it's just a sure fire way to make my cat vomit”source ↗
“when i asked for advice everyone said this was due to stress from the new kitten. now him and the kitten are best friends and he still does this except if it’s not on me he cries :/”source ↗
“This started just today. My 3-year-old neutered male cat hissed at me out of nowhere this morning, which I thought was weird, and was excessively licking his anus.”source ↗
“Additionally, he keeps going into this half sit-half stand kind of pose, often before he hisses and goes for his butt.”source ↗
“I feel really bad for him and just want to make my baby feel better, any advice?”source ↗
“Anyone else’s cats have this weird twitch in the legs?”source ↗
“Should I go back to the vet and ask for an Xray or will they only do it if she’s in pain?”source ↗
“I got one just like the one pictured, turns out both my average sized cats are a little big for it.”source ↗
“Neither of my cats tolerate a harness well, and the few times I've taken them out on my back porch, they've mostly reacted really scared like I'm about to abandon them. ☹️”source ↗
“My boy cat cries non stop whenever he goes outside, no matter what method. My girl cat is quiet, but clearly not happy.”source ↗
“My cat does this exact same "hello?!" I always say hello back.”source ↗
“My 2 siblings do this - they want to show you their "kill"”source ↗
“does he does this when hes not looking up? My cat does this looking up basically , anyway maybe hes trying to hyper focus on ur face or something”source ↗
“No idea why but she still does it all these years later.”source ↗
“One of my cats has IBD and he does this a lot.”source ↗
“i literaly have the same nose problem”source ↗
“My orange boy has a croaky purr like this too when he’s really happy.”source ↗
“My cat does this too. When he's excited or spooked.”source ↗
“My cat's tail floofs like this when I'm getting her meals ready and cuddle time before sleeping.”source ↗
“i was super worried they wouldn’t be okay with each other”source ↗
“I was conflicted because she wasn’t hissing and her ears were forward, but her tail was going crazy so I couldn’t get a read on her”source ↗
“Her tail was flicking like crazy, almost like how she gets when she sees birds or squirrels, which is why I’m conflicted about her behavior.”source ↗
“My cats are like this but when i open the window between them they decide to hate eachother INSTANTLY”source ↗
“He screams like that daily, usually when/after he's playing”source ↗
Where this came up
People with this problem also raised
- 75Why does my anxious cat scream and panic over closed doors?
- 5Is this normal on my cat?
- 10Why is my cat attacking me out of nowhere?
- 25Why is my cat suddenly attacking my other cat?
- 11How to stop a cat from attacking after bringing home a puppy
- 4Kitten mounting and humping after coming home from vacation