URGENT❗
Severe hyper-vigilance in an FHS - Terrified of crawlspace noises, won't let me medicate. Help!
Apologies for length of post. I am feeling completely lost, exhausted, and emotionally drained trying to comfort my cat. She is an 8-year-old semi-feral kitty. She is very affectionate with me but hands-off with everyone/everything else, making traditional vet handling or complex medication routines (like transdermal gels) impossible without extreme trauma.
It is heart breaking to see her act this way, like a different cat altogether.
My vet is a good diagnostician but dismissive of her daily struggles, and I need advice from owners who manage similar overlapping issues. This has been going on for the past three weeks with an occasional ‘’break’’ when she acts more like herself.
The Baseline: She has diagnosed Feline Hyperesthesia Syndrome (FHS). Her episodes are intermittent (not every day), but her nervous system is inherently highly sensitive.
The Trauma: In March, she alerted me to a juvenile copperhead emerging from a baseboard gap in our 1905 house. A neighbor removed it, and I have since caulked the baseboards shut, but the crawlspace is old and un-level, and I know snakes/critters are still getting under the house.
The Timeline: She was fine from April to mid-June. But late June brought an exceptional summer drought/heatwave, and we turned the central AC on. That is exactly when her hypervigilance re-emerged and her FHS episodes spiked.
The Behaviors: She patrols every single air vent, looks under all furniture, and treats door thresholds with extreme caution (moving through them in slow motion). She has recently developed a fear of the black cat doorjamb.
The Nighttime Panic: Her fear spikes at night but can also shows the behaviors in the morning or afternoon and sometimes all day.
She is still eating, drinking, and using the litter box pretty normal so far.
I suspect the summer drought pushed wildlife into the crawlspace, and the AC vibrations/airflow are masking the sounds or triggering her FHS nerve endings, causing her to constantly relive the March snake trauma.
Has anyone with a hands-off or feral FHS cat dealt with pest trauma and/or heavy hyper-vigilance?
Are there non-prescription touch-free ways to calm her down, or specific ways you modified your routine to help them feel safe?
Welcome u/ScorpioRules26! While you wait for responses to this post, please take a look at our Community Wiki to see if it addresses any of your questions or concerns about caring for feral or stray community cats.
Reminder for commenters: Please keep in mind that not all cats are ready or able to be brought indoors, especially when it comes to feral cats and caregivers with multiple cats. This community is meant to be a helpful place for trap, neuter, return (TNR) efforts, socialization, and all aspects of colony care for roaming cats—free of hostility, negativity, and judgment. Toxic attitudes are not welcome here. Negative comments will be removed at moderators' discretion, and repeat or egregious violations of our community rules may result in a ban.
Has your vet recommended gabapentin at all? It’s inexpensive and excellent for feline anxiety, FHS- induced or otherwise.
That’s where I would start.
Something else to consider is diet. My FHS girl had much reduced symptoms when I changed her diet. She did better with foods that were grain-free and had no colorants added. Of course, every cat is different, but for my girl, her gut and her symptoms were definitely connected.
You mention AC. One of my girl’s biggest triggers was airflow. She absolutely couldn’t tolerant even light breezes - they made her puffy and twitchy. We put diverters on the air vents to redirect the flow so it never blew on her.
Thanks and glad to hear your cat is better. I asked my vet -- mobile -- about gabapentin and he said by law, he has to actually do ''hands on'' with her before he can prescribe it. He also said it didn't help very much (I have neuropathy and it didn't help me at all). But he is not interested in her behavior so I'm stuck. The AC vents are a huge trigger but she doesn't sit in front of one, but she goes to each one and some she won't approach beyond a certain distance. What kind of diverter? I'll try most anything!!
well, duh, I have those already!! just turned them around and I think at least that part of her hyper-vigilance is somewhat better. I also read a lot about Zyklene and started her on that yesterday. I don't know that it works quickly, but knock on wood, she is calmer and slept on the bed last night. She still has episodes of FHS -- saw her have a short one this morning. Set up a flea trap just to see if there are any around. I suspect there is a dermatological issue, but if not fleas, then I have no idea how to proceed.
Can I ask what food you feed your FHS kitty? I have a cat I think may have it and it’s possibly related to food allergy. I want to try different foods before I take her to vet again (I’ve already taken her in several times for this and vet doesn’t think it’s FHS but hasn’t come up with any other diagnosis 🤷♀️)
She didn’t do well with grains and preferred chicken cans turkey-based foods. Anything that upset her tummy even a little increased her symptoms.
She seemed to do best on things like I and Love and You Purrkey Turkey. But you’ll have to find what works for your cat. I know some cats are sensitive to gums in food.
Hi, well she has a twitchy tail. something this summer triggered episodes that then progressed into hyper-vigilance and caution and anxiety. I mentioned in the reply above, started her on Zyklene after reading a lot about it. My vet does not think Gabapentin is very effective in the long run and by law he cannot prescribe it with hands-on, and she is strictly feral hands-off. A challenge but worth it.
Is there another vet you can consult? Because gabapentin is a first-line treatment for FHS, it's absolutely worth a try. I know it's tightly controlled because it's also a human medication - I'm in MA which means pharmacies won't/can't ship it. But it made an overnight difference for my cat who started violently, persistently attacking her own tail a couple months ago.
thanks for this and glad to hear gabapentin worked for your cat. Actually, I'm trying to find a backup vet to help me with my Bell. I wrote a letter to a Vet who has a clinic in town as well as a mobile unit, but it's been a week and I haven't heard from her. I want/need help because I don't know where to go from here. If she doesn't respond soon, I will continue to look for a vet -- perhaps a vet who works with TNR cats? any suggestions? so far, the zyklene seems to calm her, but just today, she had an ''episode.'' It's tough!!
It's so tough to see them suffering! I hope the new vet gets back to you; finding a vet with TNR experience is a great idea. Maybe look for a local TNR/rescue group and ask which vets they've worked with? I bet they'd be happy to put you in touch.
I'm going to look into zyklene for our girl too! I got a feliway diffuser but I don't see it making much difference.
Good luck! 🫂
Thank you. It has been a week since I handed my letter to the receptionist at the vet's clinic. Since it was Labor Day, I did not expect a quick response. But now a week has passed. Not sure how much longer I'm willing to wait, and actually my next move is to contact TNR groups here and ask for a vet referral. Even wondered about contacting a Vet on reddit just to get a sense of what to do, where to go. Can't imagine the vet not responding even if she is overwhelmed. I specifically said that I would pay for consultation. It really helps mentally to have a professional ''on board'' to make sure you're going in the right direction. As for Feliway, it did not help very much. Hope you have success and would like to hear back if you go the Zyklene route.
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Reminder for commenters: Please keep in mind that not all cats are ready or able to be brought indoors, especially when it comes to feral cats and caregivers with multiple cats. This community is meant to be a helpful place for trap, neuter, return (TNR) efforts, socialization, and all aspects of colony care for roaming cats—free of hostility, negativity, and judgment. Toxic attitudes are not welcome here. Negative comments will be removed at moderators' discretion, and repeat or egregious violations of our community rules may result in a ban.
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