Hyperthyroidism in cats causes a thickening of the lining of the heart, and the treatment of feline hyperthyroidism can cause kidney insufficiency as the thyroid levels become regulated. Your cat could certainly have a heart issue or kidney failure.

May I know why is the cat's leg shaking? Just found this

It can be triggered by injury (sprains, strains, and broken bones) or by a progressive disease, such as arthritis.

Cat leg shaking. I think this is related to the vaccine (now nobivac, first time it was rabvac) i had no problem with the rabvac most probably your cat had the rabies vaccine by 3. Why is my cat shaking legs? Cerebellar abnormalities (coordination part of the brain)

There are a variety of causes of tremors, depending on which part of the body is affected. I don't think the leg shaking is too much to worry about. There are many reasons why your cat might be limping on its back legs.

Cats purr with their mouth closed and use their throat. Tremors of the head in cats; Leg shaking is not a typical sign of arthritis.

You may notice that your cat’s movements are abnormal when your cat shakes his head, legs, or entire body uncontrollably. If it’s constant and keeps them from playing or their day to day life definitely take them in. Alternatively, it might be a result of hypoglycemia, which means your cat’s blood sugar level is low.

You may often see your cat trembling as a response to pain. Rear leg problems in cats. Weak and stiff back legs in cats can come on suddenly or more gradually.

If we're seeing those bony changes in both shoulders, then i would seek out a specialist to see if surgery could be done to help. Hypoglycemia, or a decreased sugar level in the blood is among the most common causes of shaking in cats. Therefore, if you ever feel that your cat is in pain and is shaking in response, get an appointment with a vet as soon as possible and get it checked.

For example, you might see a cat walking weird with its back legs if it has arthritis. Yet if limping comes on suddenly, it is usually a sign of acute injury to the back legs or paws. In my experience, 2 tablets per day is a high dosage for a recently diagnosed feline hyperthyroid cat.

If he is overweight it may be causing a small bit of strain on his muscles. Lameness or limping in cats. Lameness can affect one leg or several legs, and can be constant or come […]

Tremors are rhythmic, to and fro involuntary movements that persist through the waking state. True tremors stop during sleep. If your cat is hungry or hasn’t eaten for a long time, he is likely to suffer from hypoglycemia.

If you find your cat with any of these symptoms, you must consult your vet to diagnose and treat the condition without further delay. Hypoglycemia is one of the most common reasons for why your cat is shaking. No one knows precisely why cats purr, but it is a method of communication.

The severity and length of the seizure can vary greatly. Luckily, there are many treatments to stop the tremors as well as to help their underlying. Your cat can’t control the movements.

Its stiff joints hinder mobility and make movement difficult. The legs may move in a paddling fashion, as though your cat is trying to swim, or they may become rigid and straight. Tremors are characterized as repetitive muscle movements that alternate between contractions and a period of relaxation;

Feline trembling or shaking may also occur due to pain in cats. Your cat can show tremors, uncontrollable head shaking, leg weakness, lack of balance, sluggish gait, twitching ears, eyes, tongue, or face. Here are some common reasons for why your cat is shaking.

Lameness (or limping) in cats can be caused by several underlying reasons. The shaking is not severe but it prevents him from sleep, but otherwise he is normal. My cat does has done it from time to time.

Cats vibrate to show contentment. Also it is very normal for cat's legs to twitch in their sleep. Weakness and stiffness can be due to bone, ligament, muscle problems, nerve damage, neurological issues, or organ failure.

Here is a link to a page with one story: A drug overdose, brain damage, and metabolic problems can all cause seizures in cats. Lameness is typically in response to injury or abnormal anatomy and your pet may or may not be in pain.

Stress a stressed or anxious cat may start shaking uncontrollably due to a nervous outburst. There are two possibilities—one is he has some arthritis, like other people have mentioned. This pain may happen due to an internal illness or injury.

It’s helpful to know why your cat is shaking, so that you act in a timely manner in your pet’s advantage. Therefore, perhaps the most obvious and most common reasons why a cat shakes her back leg or legs is because (a) she has stepped into something or something is stuck to her leg or paw or (b) it is body language saying ‘that’s enough’ while walking away. The second is that he has a partial clot at the area where the main artery branches off the spine and supplies both of his back legs, causing him to have tingling in his back legs, like if.

There are many reasons for a shaking cat and the issues may vary from behavioral, to environmental, to medical. Depending on the severity of the spastic episode, symptoms range from shaking one leg to shaking the entire body, including all legs. Despite that agreement, it is always advisable to monitor all aspects of your cat’s behavior.

This can lead to limping. The source of vibration in cats comes from their laryngeal muscles. A slight decrease in a cat’s body temperature or their actual cold can also cause the dog to walk in a strange manner or to feel startled.

If you suspect this may be the case, take your cat to receive medical attention immediately. (though i won't say its impossible.) what i have heard of is pets experiencing leg numbness, itchiness, and neurological symptoms from over the counter topical flea products such as biospot. My vet said it’s probably just a muscle spasm and can be from tired muscles after climbing/playing.