Cat Hair Loss, Hair Loss Main Causes, How to Diagnose the Hair Loss in Cat

Cat hair loss is not always a problem its a natural part of a cat's life, Some hair loss, like shedding her winter coat is normal, But if she loses a lot of hair then there might be a problem.Cat hair loss can be partial or full. skin around the area of hair loss can be normal, or it can have redness, bumps or scabs

Cat's shed more  hair  during warm weather. Hair loss also depends on breed. The difference between normal shedding and hair loss is when new hair does not replace any thinning hair or bald patches.

If you see your cat is more interested in licking her fur than other activities like playing or eating then it may also cause hair loss.

Reasons of Hair Loss

Hair loss in cats may include  flea allergy, excessive licking, ringworm, stress and thyroid disease. 


They are the top cause of hair loss. Like people your cat can  also be allergic to food, insect bites, medicines, dust, or pollen. To ease the itch, she will lick her fur until there are bald patches. It is simple to treat, but you might have to give her medicine for the rest of her life.


Some parasites like Bugs, lice, and ticks can make her scratch and lick as well, causing bare spots and even treat the parasites ask your vet which medication you should utilize.

Ringworm infection

Ring worms are not a worm it is a fungal infection. It gets its name from its appearance, which is a red ring with a white center and a scaly ring of missing hair is a sign on treat ringworm  apply some good anti fungal creams or ointments, medicated baths, or even oral medicines.


Cats can suffer from conditions of the thyroid gland that causes too little or too much thyroid hormone to be produced. Cats hyperthyroidism can cause many problems including hair loss. Hair can become very dull and brittle thin or may be easily pulled out while you are petting or brushing your cat

Physical Pain

Physical Pain may be another cause of hair loss in cats, if your cat is feeling muscle or joint pain under the skin. To ease the pain, the cat most often continue to lick the area and may lick it so much that they can lick away the fur.

Stress and Anxiety

When a cat is stressed and anxious then it may obsessively licks and scratches the skin.too much licking can lose hair. Cats those  have it tend to pick at their belly, sides or legs. It’s most common in female pure breeds with nervous personalities.Treat her wounds, and consult your vet if she needs an antidepressant or changing in her environment, like putting up high perches or keeping dogs away.

Diabetes or Immune Problem

It is unlikely, but hair loss can be a symptom of immune system problem, diabetes or an overactive thyroid, or cancer. Tell your vet all about your cat’s diet, behavior, and home to help pin point the cause.

Diagnosis of Hair Loss

vet doctor may examine the hair lost if the hair can be pulled out with a simple pull or broken off.

If the hair is broken or removed an examination of the skin is done looking at different types of lesions.  If redness was caused by itching or if there is another cause. There are several diagnostic steps,

Looking for Parasites

This can be done at home by combing your your cat's hair and take a skin scraping to determine if fleas or mites are causing the condition. Depending on what is found a treatment for fleas or mites is recommended by vet.

Look for fungus

 To see if their is fungus on the hair a special lamp wood lamp is needed. If fungus is found on the coat  then your veterinarian will prescribe the medication which can be given as an ointment for few day of use.If your cat does not respond to either of the above your veterinarian will re check your cat for parasites after 4 weeks or look for food allergy.

Dietary Change

An elimination diet will recommend where your cat's diet is changed to few ingredient. Additional ingredients are added until symptoms reappear. Foods eliminated include fish, beef, dairy,chicken, lamb or mutton,pork, eggs and wheat.

Topic Dermatitis Test

If food allergies do not appear to be the cause the next step is to test for some type of skin allergy  through a series of skin allergy tests. Your veterinarian could also prescribe medications to help with allergic reactions such as antihistamines.
If all of these causes are ruled out then the trigger is either something that has not been diagnosed such as an allergic reaction to your cat's environment or emotional distress caused by cat's inherited disposition or stress in your cat's life. Causes of stress may  includes separation anxiety when you leave the house the introduction of a new pet into the household,a new child or even the rearrangement of furniture in the rooms where your cat lives.


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