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 a bit regarding. Felines are very responsive to the touch alongside their backs resulting from a delicate muscle layer alongside their backs, so gentle and occasional twitches alongside the again and flanks could 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 will also be attributable to pores and skin ailments equivalent to parasites, ache, seizures, an overactive thyroid, or feline hyperesthesia syndrome.


Feline hyperesthesia is an unusual neurological illness in cats, inflicting big 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 equivalent to frantic licking, tail chasing, and excessive sensitivity could be resulting from an underlying medical situation, equivalent 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? Top 8 Reasons

Causes Why Your Cat’s Again Twitches

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

1. Regular Conduct for Felines

Cats have a skinny muscle layer known as the “cutaneous trunci.” This muscle can transfer by itself in response to bodily stimuli equivalent to stroking or in response to feelings equivalent to pleasure. In case your cat’s again typically twitches if you pet them, or after they see a hen out of the window, that is completely regular. Cats additionally use physique language to communicate, which can embrace small actions of assorted muscle tissues within the physique.

2. Ache

Pain could cause twitching and muscle spasms alongside the again. This may increasingly embrace any painful situation of the again, limbs, or tail, together with arthritis within the backbone or hips, abscesses, wounds, nerve injury, or anal gland disorders. Muscle twitching would be the solely signal, as cats are excellent at concealing ache. You might also see different indicators equivalent to your cat licking on the affected space, limping, reacting badly to the touch or hiding away, and having modifications to day by day habits equivalent to consuming and toileting.

3. Pores and skin Illness

cat skin disease

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

Any illness affecting the pores and skin might trigger itching (pruritus), which may current as muscle twitching. You might also see extreme licking and scratching, overgrooming, hair loss (alopecia), rashes, scabs, and sore lesions on the pores and skin. Varied dermatological situations could be itchy, together with parasites, infections, and allergies. Flea allergy dermatitis (FAD), the place cats react badly to flea saliva, is a standard 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 disorders. 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 far more delicate, with indicators equivalent 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 embrace:

  • 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 reason behind FHS is unknown. Sure oriental breeds appear to be predisposed to the situation, together with the Siamese, Persian, and Abyssian. Potential triggers embrace dermatological ailments equivalent to flea allergic dermatitis, neurological disease, toxin exposures, or psychological situations equivalent to obsessive-compulsive dysfunction. Because of this, a analysis of feline hyperesthesia syndrome is usually made by exclusion of different causes of this habits.

Additionally Learn: Why Do Cats Roll Around On Their Back?

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 will also be indicators.

When to Name the Vet

vet checking cat

A vet can verify 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 nicely. Nonetheless, in case you word the pores and skin alongside your cat’s again twitching or rippling quite a bit, or in the event that they present different signs equivalent to biting, scratching, and licking on the pores and skin, behavioral modifications, pores and skin lesions, sensitivity to the touch, restlessness or anxiousness, then it’s endorsed to go to a veterinarian.

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


Remedy will rely on the trigger and severity of signs. Fleas and mites could be handled with anti-parasite drugs, arthritis, and different painful situations might have analgesics and anti-inflammatories and suits could be managed with anti-epileptic medication equivalent to phenobarbital.

FHS could be troublesome to deal with and infrequently a number of methods are wanted. Environmental and stress administration is vital, in addition to vitamin and behavioral methods. Some success has been had with anti-seizure and neurological drugs equivalent to phenobarbital and gabapentin.

Cats can have twitchy backs for all kinds of causes. Gentle circumstances could be completely regular feline habits resulting from their delicate muscle anatomy, however extra extreme circumstances 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

Often 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 could be attributable to sure well being situations equivalent 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 referred to as 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 embrace frantic licking and biting on the pores and skin, sensitivity to the touch, dilated pupils, anxiousness, and racing/leaping round.

Is feline hyperesthesia widespread?

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 identified in younger grownup cats.

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