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Why Is My Cat’s Again Twitching? When to Fear

Cat’s Back Twitch

Have you ever ever seen your cat’s again twitching or having a spasm? It will probably look just a little regarding. Felines are very responsive to the touch alongside their backs as a consequence of a delicate muscle layer alongside their backs, so delicate and occasional twitches alongside the again and flanks may be completely regular.

Fast Overview


Cats have a delicate layer of muscle alongside their backs which may twitch when they’re excited, making an attempt to speak, or when being touched.


Again twitches may also be attributable to pores and skin illnesses comparable to parasites, ache, seizures, an overactive thyroid, or feline hyperesthesia syndrome.


Feline hyperesthesia is an unusual neurological illness in cats, inflicting large pores and skin sensitivity with rippling pores and skin, anxiousness, intense licking and biting, frantic motion, and dilated pupils.

Nonetheless, extra extreme twitches, muscle spasms, and different signs comparable to frantic licking, tail chasing, and excessive sensitivity may be as a consequence of an underlying medical situation, comparable to feline hyperesthesia syndrome, ache, parasites, or seizures. In case your cat appears uncomfortable, has modified their habits, and has muscle twitches alongside their again, take them to see a veterinarian.

Additionally Learn: Why Do Cats Arch Their Backs? Prime 8 Causes

Causes Why Your Cat’s Again Twitches

Let’s undergo some frequent causes of cats having twitchy backs.

1. Regular Habits for Felines

Cats have a skinny muscle layer known as the “cutaneous trunci.” This muscle can transfer by itself in response to bodily stimuli comparable to stroking or in response to feelings comparable to pleasure. In case your cat’s again generally twitches while you pet them, or after they see a chook out of the window, that is completely regular. Cats additionally use physique language to talk, which can embody small actions of varied muscle mass within the physique.

2. Ache

Ache could cause twitching and muscle spasms alongside the again. This may occasionally embody any painful situation of the again, limbs, or tail, together with arthritis within the backbone or hips, abscesses, wounds, nerve harm, or anal gland issues. Muscle twitching often is the solely signal, as cats are superb at concealing ache. You may additionally see different indicators comparable to your cat licking on the affected space, limping, reacting badly to the touch or hiding away, and having adjustments to day by day habits comparable to consuming and toileting.

3. Pores and skin Illness

cat skin disease

Many pores and skin illnesses have an effect on a cat on a deeper stage, resulting in muscle twitching.

Any illness affecting the pores and skin might trigger itching (pruritus), which may current as muscle twitching. You may additionally see extreme licking and scratching, overgrooming, hair loss (alopecia), rashes, scabs, and sore lesions on the pores and skin. Numerous dermatological situations may be itchy, together with parasites, infections, and allergy symptoms. Flea allergy dermatitis (FAD), the place cats react badly to flea saliva, is a typical situation inflicting intense itchy and sore pores and skin, typically throughout the again and across the tail base.

4. Seizures

Cats can undergo from epilepsy and different seizure issues. Cat homeowners typically consider suits as dramatic, whole-body occasions, however these are grand mal seizures. The much less apparent ones are petit mal or “absence seizures.” These are rather more refined, with indicators comparable to muscle twitching, spasms, a vacant stare, or speedy blinking.

5. Feline Hyperesthesia Syndrome (FHS)

Additionally known as rolling/rippling pores and skin syndrome, twitchy cat illness, neuritis, and atypical neurodermatitis, feline hyperesthesia syndrome is a poorly understood, however extreme, neurological dysfunction in cats. The basic signal is rippling and twitching of the pores and skin alongside the again, close to the bottom of the tail. Nonetheless, different signs of feline hyperesthesia syndrome embody:

  • Dilated pupils
  • Excessive sensitivity to the touch (many will chunk when pet)
  • Extreme biting and licking at their again, flanks, and limbs
  • Erratic leaping and racing round
  • Tail-chasing
  • Behavioral indicators together with anxiousness and extreme vocalization
  • Seizures (uncommon)

The precise explanation for FHS is unknown. Sure oriental breeds appear to be predisposed to the situation, together with the Siamese, Persian, and Abyssian. Attainable triggers embody dermatological illnesses comparable to flea allergic dermatitis, neurological illness, toxin exposures, or psychological situations comparable to obsessive-compulsive dysfunction. For that reason, a analysis of feline hyperesthesia syndrome is commonly made by exclusion of different causes of this habits.

Additionally Learn: Why Do Cats Roll Round On Their Again?

6. Hyperthyroidism

Cats with an overactive thyroid gland normally have the basic signs of elevated urge for food, thirst, and urination alongside weight reduction. Nonetheless, poor coat situation and muscle twitching may also be indicators.

When to Name the Vet

vet checking cat

A vet can examine a cat for deeper underlying points inflicting muscle spasms, which might not be readily obvious.

The occasional muscle twitch or spasm in your cat is nothing to fret about, particularly if they’re in any other case properly. Nonetheless, in the event you word the pores and skin alongside your cat’s again twitching or rippling loads, or in the event that they present different signs comparable to biting, scratching, and licking on the pores and skin, behavioral adjustments, pores and skin lesions, sensitivity to the touch, restlessness or anxiousness, then it is strongly recommended to go to a veterinarian.

The vet will be capable of carry out a full bodily examination. They might additionally run diagnostic assessments, comparable to a full blood depend, x-rays, and pores and skin assessments for allergy symptoms and parasites.


Therapy will depend upon the trigger and severity of signs. Fleas and mites may be handled with anti-parasite medicines, arthritis, and different painful situations might have analgesics and anti-inflammatories and suits may be managed with anti-epileptic medicine comparable to phenobarbital.

FHS may be tough to deal with and infrequently a number of methods are wanted. Environmental and stress administration is essential, in addition to diet and behavioral methods. Some success has been had with anti-seizure and neurological medicines comparable to phenobarbital and gabapentin.

Cats can have twitchy backs for all types of causes. Delicate instances could be completely regular feline habits as a consequence of their delicate muscle anatomy, however extra extreme instances are prone to have an underlying trigger. Parasites, ache, and seizures are all attainable. Feline hyperesthesia syndrome is a possible trigger in younger cats, with its basic ‘rippling pores and skin’ impact. In case your cat has a twitchy again, particularly alongside different signs, go to your veterinarian for recommendation.

Associated Circumstances

  • Flea allergic dermatitis
  • Parasites
  • Arthritis
  • Feline Hyperesthesia Syndrome
  • Epilepsy
  • Seizures
  • Ache
  • Hyperthyroidism

Regularly Requested Questions

Why is my cat’s again twitching?

Cats have a delicate, skinny muscle alongside their again that may twitch if petted or when excited. Nonetheless, extra extreme twitching may be attributable to sure well being situations comparable to parasites, pores and skin illness, ache, neurological illness, and feline hyperesthesia syndrome.

Why does my cat’s again ripple?

Rippling pores and skin dysfunction, also called twitchy cat illness or feline hyperesthesia syndrome, is a neurological situation in cats that causes a attribute rippling impact of the pores and skin. Different signs embody frantic licking and biting on the pores and skin, sensitivity to the touch, dilated pupils, anxiousness, and racing/leaping round.

Is feline hyperesthesia frequent?

Fortunately, feline hyperesthesia syndrome is pretty uncommon in cats. It’s extra generally seen in oriental breeds such because the Persian, Abyssian, and Siamese and is normally recognized in younger grownup cats.

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