Experienced and professional animal trainer provide their insights in answering this question :
A. Cat not eating for more than 2 days are in risk to develop a lipidosis in the liver, that’s why we never recommend in cats to wait and see. If is not eating and also not walking possibly is serious you may take her to the vets urgently.

How to Identify Common Pet Problems ?

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However, some cats are allergic to amoxicillin, and if they are exposed to it, can experience a wide range of symptoms including skin rashes, fever, swelling, difficulty breathing, vomiting, and diarrhea.
Most cats will fully recover within 7-10 days of developing a urinary tract infection, but they may need to remain on a canned diet for longer. Your vet may check a urine sample after treatment to determine if all the bacteria are gone. Occasionally, cats will develop repeated urinary tract infections.
Common signs of urinary tract disease include increased drinking, increased frequency of urination, straining to urinate, decreased urine production, inappropriate urination outside the litter box, bloody urine, lethargy/hiding, loss of appetite, vomiting, abdominal pain, and labored breathing.
Antibiotics can cause lethargy, nausea and/or a loss of appetite, which may make your pet less interested in eating their food. It is crucial that your pet continues to eat, because their body needs the energy to continue fending off an infection and repairing damaged cells.
URI is similar to the common cold in humans. It is especially common in cats that have been exposed to a lot of other cats, such as in an animal shelter. URI is rarely fatal and usually resolves in one to three weeks. Treatment generally consists of supportive care.
Even in cases with mild symptoms, antibiotics may be recommended to prevent a worsening of the infection. Most cats with uncomplicated B. bronchiseptica infections recover within 10 days of beginning antibiotic therapy.
Certain medications can also lead to kidney failure in cats. Nonsteroidal anti-inflammatory agents can cause kidney failure, as well as certain types of antibiotics.
Once cats become completely obstructed, they may attempt to urinate in the litter box but will produce no urine. The cat may cry, move restlessly, or hide because of discomfort, and eventually lose their appetite and become lethargic. Complete obstruction can cause death of the cat in 3–6 days.
The most common symptoms of urinary tract infections in cats include straining to urinate, reduced amounts of urine, not urinating at all, pain or discomfort when urinating, passing urine tinged with blood and urinating around the house, outside of the litter box.
Taking a course of antibiotics can upset your pet`s stomach and cause vomiting or diarrhea, in some cases. Antibiotic use may also increase the risk of a yeast infection. The benefits of antibiotics outweigh the risk of side effects or secondary infections when your pet actually has a bacterial infection.
If there`s an obvious reason for your cat skipping a meal there most likely isn`t anything seriously wrong. That being said, if it`s been more than 24 hours since your cat has eaten or had any water, or they are exhibiting any other symptoms besides lack of appetite, it`s time for the emergency vet.
Generally, URI is not contagious to healthy people nor to other animals.
Feline Upper Respiratory Infection Treatment

The veterinarian will tell you what the best course of treatment is for your cat. This may include medications, isolation, rest, fluids from an IV, and nutritional support. Cats often get a bacterial infection on top of a viral infection, so yours may need antibiotics.

It`s important to give amoxicillin to your cat at the dosage prescribed and for a full 10 days to 2 weeks as prescribed by your veterinarian. Even if your cat seems to feel better, don`t stop the medication or the infection may not resolve.
Most upper respiratory infections in cats will resolve themselves with a little extra TLC and time. However, more severe infections may require treatment, prescription pet medication or even hospitalization. As a rule of thumb, a sniffly kitty that is still eating, active and feeling fine can be watched for a few days.
Symptoms of end stage kidney failure in cats include dull sunken eyes, inability to walk, body odour, incontinence in bladder or bowels, refusal to eat or drink, seizures, confusion, pacing and restlessness, withdrawing, hiding and running away.
People living with chronic kidney failure are at risk of accumulating high concentrations of antibiotics in their bloodstream. To prevent this, doctors will avoid prescribing certain antibiotics. Aminoglycosides are a class of antibiotics that cause kidney injury and can worsen kidney failure.
Unfortunately, once the kidneys are damaged, they have minimal ability to recover. However, with proper management, most CKD cases progress very slowly. Your cat may have several years of quality, active life with treatment.
Anti-inflammatory and pain medications including Amitriptyline, Buprenex, and even Prednisone may be helpful in treating urinary tract inflammation in cats. Agents that soothe the urinary bladder such as Cosequin also may be useful in cats.
CATWATER is specifically intended for cats and aims to help reduce the risk of urinary tract problems. These much too frequent urinary problems are generally caused by the precipitation of minerals in the cat`s urine.
They might also loss control and urinate when they`re not supposed to. All of this can lead to confusion and anxiety that causes them fear or avoid the litter box. Cats with a UTI can also just seem “sick”, showing signs of lethargy or vomiting.
Urinary obstruction can cause cats to rapidly deteriorate within the first 24 hours of onset of symptoms, with the risk of kidney failure and death within three to six days if not treated. Abnormal litter box usage – Pay attention to the presence of urine in your cat`s litter box.
How long can cats hold their pee? Most felines can go without peeing for 24 to 48 hours without experiencing any adverse effects. However, if your cat is holding it in for longer, it may indicate more serious medical conditions.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Q. Why do cats meow?
ANSWER : A. Cat parents often wish they could better understand what their favorite feline friends want or desire. A cat’s meow can be interpreted in many different ways and can indicate an array of feelings and needs. Here are some of the most common reasons for your cat’s vocalizations:

1. Greeting- Many cats will meow as a greeting when you enter your home or walk into a room. Cats will also meow at another cat or animal in the household to extend a hello and acknowledge the other animal’s presence.

2. Attention – An exuberant meow followed by leg rubbing or another attention seeking behavior may indicate your cat is looking for some quality time spent together. Some petting or rubbing behind the ears may be in order.

3. Hunger – A meowing cat is often a hungry cat. This is one of the most common reasons for a cat to vocalize to their owners. A cat will meow to get your attention at feeding times or even when they want extra food.

4. Sickness – A sick or hurt cat may begin to meow excessively, warranting a visit to the veterinarian. There are numerous reasons for a cat in distress to meow—whether it is related to an upset stomach, an injured leg or a urinary blockage. These meows should be carefully investigated.

5. Entering or leaving – Most cats will vocalize when they want to be let in or out of a room. You may notice when you are in the bathroom or behind the closed door of a room that your cat begins to meow, scratches at the door, and often reaches its paw under the door. This is a clear indication that the cat wants to be where you are.

6. Angry – An agitated cat may meow to warn their owner or another household pet that they are upset and would like to be left alone. This angry meow may increase in sound volume as the cat becomes more stressed or agitated. Often a cat will exhibit this type of meow at the veterinary office when they are unhappy with their examination or restraint.

Each feline is different and so are their vocalizations. Learn to understand the variety of meows your cat uses on a daily basis. This will help you develop a better relationship with your cat and help them live a more trusting and happier life.

Q. Cat was vomiting for a few days. Took to vet, received anti-nausea medicine 2 days ago. Drinks and no longer vomits, but won’t eat. I’m worried
ANSWER : A. If your cat has been feeling nauseated, it is possible that the nausea, or just general illness is making him want to eat less. However, you can try enticing him to eat with a few tricks geared to cats.

Warming up wet foods or even bland people foods such as plain chicken or boiled hamburger can make food more interesting to cats. Cats tend to go for aromatic rather than flavorful foods, so making the food as “smelly” as possible may encourage your cat to take a bite. Bland foods are also good for helping to soothe upset stomachs, which may still be happening if your cat had recently had a vomiting episode.

However, if enticing your cat to eat does not work, or he continues to refuse to eat any food, it is best to contact your local veterinarian for more care and testing. Cats can become very ill if they refuse to eat for more than a few days, and finding the underlying cause can help your cat feel better.

Q. My cat can’t walk and won’t eat. He was on antibiotics for a uti and was fine until 2 days ago. He has slow breathing.
ANSWER : A. Cat not eating for more than 2 days are in risk to develop a lipidosis in the liver, that’s why we never recommend in cats to wait and see. If is not eating and also not walking possibly is serious you may take her to the vets urgently.

Q. My cat is pooping outside of the litter bix. He is 2 1/2. He did this as a kitten. It stopped then started about 3 months ago. Litterbox is clean.
ANSWER : A. Inappropriate elimination or house soiling can be a frustrating problem but with a bit of detective work on your part, there is hope. First, before deciding that this is a behavioral issue, any medical problems (diarrhea, constipation, fecal incontinence, pain on defecation, etc.) need to be ruled out and/or treated. If your cat receives a clean bill of health from your vet but is still eliminating outside the litterbox, then we need to consider that something about the box itself might be aversive to your cat. Cats can be quite finicky about their litterbox and toileting habits. Below I have listed common recommendations and cat preferences for litterbox use. Review the list and make any changes that could account for your cat’s aversion to defecating in the litterbox:
* Soft, fine-grained clumping litter (vs, coarse-grained, non-clumping litter)
* Unscented
* 1 – 1 1/2 inch depth (especially older cats or cats with hip problems)
* Larger pans (especially for large cats) – want to get whole body inside – poop just outside the box might mean the box is too small
* Open, non-hooded
* At least one shallow side to get in and out easily
* Easy to get to – not hidden away, preferably in areas they spend time in or near – and not near appliances that make scary, unpredictable noises (washers, dryers, refrigerators)
* Scoop minimum 1X/day – preferably 2
* Clean the litterbox with soap and water and put in fresh scoopable litter at least once/month (instead of just continuously adding)
* Some cats prefer to urinate in one box and defecate in a separate box, so you may need 2 boxes even if you just have 1 cat. Multi-cat households should have 1 box/cat plus 1 extra.

Q. My cat continues to scratch on furniture and carpets. He has plenty of scratching posts around the house. Please help!
ANSWER : A. Scratching is a natural behavior in cats that can be frequently frustrating for pet owners who want to keep their furniture from being shredded on a constant basis. The texture of furniture and carpet is very appealing to cats and this why they frequently choose to spend their time on this activity as opposed to playing with their own cat toys. Here are some suggestions to help curb this unwanted behavior:

1. Purchase a cat scratching post or cat tree that is covered in carpeted or textured material. Place it in an appealing spot that your cat would be inclined to spend time (eg. in the sun). You can also place catnip on the scratching post or cat tree to make your cat even more interested in the new object.

2. You can utilize double sided tape on the ends of the furniture because you cat will not like the sticky feeling and will learn to not scratch in that region. Use the tape that has a lighter adhesive in order to prevent any permanent damage. Other materials, such as aluminum foil or bubble wrap can also be placed on the furniture to discourage the scratching.

3. Keep nails trimmed short by either learning to do this on your own at home or using a veterinary technician, or groomer. Nails can usually be trimmed every 6-8 weeks.

4. Redirect the unwanted behavior. If your cat begins scratching, use a favorite or new toy to distract the cat from the scratching. Give your cat positive praise for not scratching.

5. As a last resort you can use a spray bottle full of water to spritz your cat when he or she is scratching inappropriately at your furniture. Generally, cats do not like water and this will discourage them from continuing the behavior.

Have patience with your cat because it can takes time to understand this is an unwanted behavior and that furniture is not another toy for them to use. You can always consult your veterinary or veterinary behaviorist to help with ideas or further solutions to this problem.

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Q. My cat is one year old. He has diarrhea, not eating last for one day. This problem is too with my other 2 cats and one is died.
ANSWER : A. His not eating is the most concerning for me. They cannot go more than a few days without eating or they risk liver damage. Your cat needs to be seen by your vet for an exam and bloodwork to determine the cause for your cat’s loss of appetite. Based on the findings, your vet will be able to give you a clearer picture of what is going on with your cat and be able to offer you treatment options.

Try enticing your pet to eat with beef or chicken baby food that does not contain onion or garlic powder. Onion and garlic causes anemia. Warm it in the microwave for a few seconds. Stir it with your finger first to make sure there are no hot spots and that it isn’t too hot. This makes it more aromatic and appealing to your pet. Wetting dry food or mixing wet food with low sodium chicken broth, also warmed, might entice your pet to eat. Some cats like to be petted while they eat, some want to be left alone. You’ll know your cat’s habits and be able to act accordingly.

Q. My cat will not eat the renal food my veterinarian recommended, can I feed a grocery store food?
ANSWER : A. Your veterinarian recommended a therapeutic kidney diet because it has ingredients that will help slow the progression of your cat’s conditions, especially phosphorus and lower protein levels. Many of the non-prescription or grocery store foods generally have high levels of phosphorus and would not be ideal for your cat.

To help your cat accept the new food It is important to do a transition. There are two reasons to do a transition:

1) Occasionally a pet will have a GI upset when switched to a new diet,

2) A pet will accept a new food better when a transition is done to allow the pet to get use to the new texture and flavor.

There is more of a chance with a hydrolyzed protein or different (high or low) fiber level food to cause a GI upset. Transition recommendation:

1) Recommend ¾ old diet – ¼ new diet

2) Do this for a few days; if no GI upset, go to the next step

3) ½ old diet – ½ new diet

4) Do this for a few days; if no GI upset, go to the next step

5) ¼ old diet – ¾ new diet

6) Do this for a few days; if no GI upset, go to the next step

7) End with 100% of the new food.

Sometimes a transition should be longer, especially for cats. Use the same recommendation, but instead of a few days, recommend doing each step for a week or more. If you cat is still not interested in the new diet you can research other non-prescription diets focusing on the labels for appropriate levels of phosphorus and protein.

Also, home cooking may be an option but make sure to provide adequate nutrients. A good website to consult is balanceit.com. This website helps you to create well balanced home cooked recipes and offers supplements to add into the diet.

Q. Cat’s been vomiting a lot and has become very common. The vomit used to be tubular, but is now liquid. Now she’s not eating, weak, and sleeping more
ANSWER : A. Your cat’s symptoms are very concerning. Cats cannot go more than a few days without eating or they risk liver damage. Your cat needs to be seen by your vet for an exam and bloodwork to determine the cause for your cat’s loss of appetite. Based on the findings, your vet will be able to give you a clearer picture of what is going on with your cat and be able to offer you treatment options.

Try enticing your pet to eat with beef or chicken baby food that does not contain onion or garlic powder. Onion and garlic causes anemia. Warm it in the microwave for a few seconds. Stir it with your finger first to make sure there are no hot spots and that it isn’t too hot. This makes it more aromatic and appealing to your pet. Wetting dry food or mixing wet food with low sodium chicken broth, also warmed, might entice your pet to eat. Some cats like to be petted while they eat, some want to be left alone. You’ll know your cat’s habits and be able to act accordingly.