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    معلومات طبيه عن القطط

    مُساهمة من طرف admin في الأربعاء يناير 02, 2013 12:01 pm

    Medical Information For Cats

    Author

    Originally written 1991 & updated through 1997 by Cindy Tittle Moore. Maintained by the Fanciers website as of July 1999.
    Aging

    Most cats will reach about 11 or 12 years of age. Some make it 18 and very few to 20 and beyond. Much of this will depend on whether or not a cat is indoors or allowed outdoors. Outdoor cats average about 8 years and indoor only cats quite often reach 15 or more years of age.

    As for "cat years" versus "human years", according to material provided by the Gaines Research Center, cats will age 15 years in the first year (10 in the first six months!) and 4 years for every year after that. Other vets will say 20 years for the first year, 4 years for each year thereafter.

    Cat Allergies

    Here are some highlights from the article in CATS Magazine, April 1992, pertaining to cats with allergies.
    Cats can suffer from a wide range of allergies.
    A cat with one allergy often has others.
    15% of all cats in the U.S. suffer from one or more allergies.
    Cats' allergies fall into several categories, each with a parallel complaint among human allergy sufferers. Inhalant allergies are caused by airborne articles, such as pollen, that irritate the nasal passages and lungs. Contact alllergies manifest themselves when the cat has prolonged contact with a substance that it just cannot tolerate. Cats have allergies to foods as well -- not so much to the chemical preservatives but to the grains, meats and dairy products used. Some cats react badly to certain drugs, such as antibiotics or anesthesia.
    Flea allergy is the most common of all allergies. As cats age, their sensitivity to flea bites increases. Prednisone (oral or injection) is commonly used for a bad reaction.
    Between 5 & 10 percent of allergy cases are caused by food. Like contact allergies, food allergies will show up as dermatitis and severe itching but in some cases will also cause vomiting and diarrhea. Also, the cat may have excessively oily skin, ear inflammation, or hair loss (which can also be a sign of hormone imbalance).
    A food allergy doesn't show up overnight. It can take from a week to 10 years of exposure to show itself; more than 80 percent of cats with food allergies have been eating the allergen-containing food for more than two years.
    Studies are being done to determine possible connections between food allergies and FUS, with some success in eliminating foods and cutting down on FUS symptoms. Results are still experimental.

    Food allergies are treated with a bland, hypoallergenic diet -- rice with boiled chicken or lamb, and distilled water is commonly used. Two weeks is the longest it usually takes for the bland diet to work.

    Causes, symptoms, and treatments of some types of allergies:

    Plants, especially oily-leafed ones, such as rubber plants, that might be brushed against. Other contact allergens include: carpet fresheners, wool, house dust, newsprint, cleansers and topical medications. Even the carpet itself.
    Signs of contact allergens: dermatitis, pigmentary changes or skin eruptions. Most noticable on the chin, ears, inner thighs, abdomen, underside of the tail, armpits and around the anus.

    Skin patch tests are used to determine cause of contact allergies.

    Medications that commonly cause skin eruptions: penicillin, tetracycline, neomycin and panleukopenia vaccine.
    Each drug causes different symptoms, but the symptoms differ from cat to cat. There is no way to predict how a cat will react.

    Antihistamines or steroids may be used to eliminate symptoms (after ceasing administration of the drug)

    Kitty litter - when new brands of litter come out, vets frequently see a number of cats that have reactions to it. Other inhalant allergies can include: dust from the furnace esp. when it is first turned on; cigarette smoke; perfumes; household sprays and air freshners; pollen.
    Inhalent allergies can also result in skin loss, scabbing pustules, or ulcerated areas on the skin. This in addition to the asthmatic symptoms.

    Treatment uses... antihistamines, such as chlortrimetron. More severe cases are treated with systemic steroids, which can have drawbacks.

    Epilepsy and Seizures

    See
    [ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذا الرابط]
    Feline Chronic Renal Failure

    Feline chronic renal failure is progressive and terminal but may be managed for some time if diagnosed early. There is an excellent web page on this disease kept at [ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذا الرابط]
    Feline Urinary Syndrome (FUS)

    Feline urinary syndrome or FUS is the name given to a group of symptoms that occur in the cat secondary to inflammation, irritation, and/or obstruction of the lower urinary tract (urinary bladder, urethra, and penile urethra). A cat with FUS can exhibit one, some, or even all of the symptoms.

    FUS is NOT a specific diagnosis: there are many known and some unknown factors that may cause or contribute to FUS. Any cause resulting in particulate debris in the urine is capable of causing obstruction in the male cat.

    Males are much more likely to get this disease than females. There is no known means of prevention. Treatment can vary from diet to surgery. Cats usually recover if the disease is caught in time; often the cat must be watched for any recurrence of FUS.

    Symptoms

    May appear periodically during the life of the cat.

    Females: straining to urinate, blood in the urine, frequent trips to the litter box with only small amounts voided, loss of litterbox habits.
    Males: In addition to the above symptoms, small particles may lodge in the male urethra and cause complete obstruction with the inability to pass urine-this is a life and death situation if not treated quickly.
    Obstruction usually occurs in the male cat and is most often confined to the site where the urethra narrows as it enters the bulbourethral gland and penis; small particles that can easily pass out of the bladder and transverse the urethra congregate at the bottleneck of the penile urethra to cause complete blockage. (note that the female urethra opens widely into the vagina with no bottleneck).

    Symptoms of obstruction are much more intense than those of bladder inflammation alone; this is an emergency requiring immediate steps to relieve the obstruction. Symptoms include:

    Frequent non-producing straining-no urine produced, discomfort, pain, howling.
    Gentle feeling of the cats abdomen reveals a tennis ball size structure which is the overdistended urinary bladder.
    Subsequent depression, vomiting and/or diarrhea, dehydration, loss of appetite, uremic poisoning, and coma may develop rapidly within 24 hours.
    Death results from uremic poisoning; advanced uremic poisoning may not be reversible even with relief of the obstruction and intensive care. Bladders can be permanently damaged as a result.
    Causes of FUS

    In general: any condition that causes stricture, malfunction, inflammation, or obstruction of the urethra. In addition, any condition that causes inflammation, malfunction, or abnormal anatomy of the urinary bladder.

    Known causes

    Struvite crystals accompanied by red blood cells--generally caused by a diet too high in magnesium relative to the pH of the urine.
    Fish-flavored foods tend to be worse
    The ability of a given diet to cause problems in an individual cat is highly variable: only those cats with a history of this kind of FUS may respond well to strictly dietary management. Many cats do not have problems with a diet that may produce FUS in some individuals.
    Bladder stones, may occur from struvite crystals, or be secondary to bladder infections. There are metabolic disorders (not all are understood) that result in a higher concentration of a given mineral that can remain in solution; hence stones are formed. Diet may greatly modify the concentration of a given mineral in solution in the urine. Water intake may modify the concentration of all minerals in the urine, and bacterial infection increases the risk of stone formation.
    Anatomical abnormalities such as congenital malformations of the bladder and/or urethra (early neutering is NOT a factor) OR acquired strictures of the urethra and/or scarring of the bladder.
    Trauma.
    Neurolgenic problems affecting the act of urination (difficult to diagnose except at institutions capable of urethral pressure profiles)
    Primary bacterial infection--RARE!
    Tumors (benign/malignant)
    Protein matrix plug (generally urethral obstruction of males); can be from non-mineral protein debris, viral-based, other causes are unknown.
    Suspected or unknown factors include non-bacterial infections, toxins, stress, and seasonal influences.
    Management of FUS

    Obstruction of the male cat is a medical emergency. The obstruction must be relieved immediately.

    Failure to produce a good stream of urine after relief of obstruction is indicative of urethral stricture and/or stones or matrex plugs. Failure of bladder to empty after relief of obstruction suggests bladder paralysis (usually temporary unless present prior to obstruction). In either event, a urinary catheter must be placed to allow continual urination.

    Treatment of uremic poisoning requires IV fluid therapy with monitoring of blood levels of waste products until uremia is no longer present.

    Permanent urethral damage with stricture, inability to dislodge a urethral obstruction, or inability to prevent recurring obstructions are all indications for perineal urethrostomy (amputation of the penis and narrow portion of the urethra to create a female-sized opening for urination). This procedure is usually effective in preventing reobstruction of the male cat, but this procedure should be a last resort

    If FUS is indicated without obstruction, 75 to 80% of FUS cats without obstruction may be sucessfully managed by diet alone if urine reveals typical crystals and red blood cells. Unobstructed male cats or non-uremic obstructed males who have a good urine stream and bladder function after relief of an early obstruction may be managed as above initially. Cats who are symptom-free after 7 to 10 days of dietary management and who have normal follow-up urines at 21 days, may be maintained indefinitely with dietary management only.

    DL-Methionine is often prescribed for cats with FUS. Most commonly, FUS-specific diets contain this acidifier. Antibiotics may be used. Distilled water for FUS-prone cats is often recommended as well.

    Diabetes

    Diabetes occurs when the cat cannot properly regulate its blood sugar level. Symptoms may include excessive thirst and urination; it may lose weight or develop diabetes because of obesity. Older cats are more likely to develop diabetes than younger ones.
    Treatment may consist of a carefully regulated diet to keep blood sugar levels consistent (especially if the diabetes was triggered by obesity). In most cases, daily injections of insulin are needed. Regular vet visits are required to determine the proper dosage. In between visits, using urine glucose test strips available from the pharmacy helps you determine whether the dosage of insulin is sufficient.

    A bottle of Karo syrup or maple syrup kept handy is essential for bringing the cat out of dangerously low blood sugar levels. Diabetic cats should be kept indoors to prevent accidental feeding (and thus disturbing the regulation of blood sugar levels).

    Diarrhea

    If your cat has persistent diarrhea, take the cat to the vet if symptoms have continued for more than 2 days. Bring a stool sample with you and have the vet check for parasites and/or fever.
    You can try changing (temporarily) the cat's diet to one or more of the following (depending on the cat's preferences):

    boiled rice
    cottage cheese
    bread
    plain yogurt
    boiled chicken
    chicken broth
    baby food (strained meat varieties)
    The emphasis on the above being as bland as possible. No spices allowed as they tend to aggravate the stomach. This procedure may be advisable to reduce the possibility of dehydration from the diarrhea.
    The vet may or may not prescribe medication. One-half teaspoon of kaopectate (NOT peptobismol, it contains aspirin) usually works pretty well too. The vet may recommend withholding food for 24-48 hours to give the GI tract a rest before starting with some bland food.

    Usually diarrhea lasts only a few days. If it lasts longer than that, as long as the cat does not have a fever, it usually does not mean anything serious, but you must protect the cat from dehydration by making it take in plenty of liquids.

    Possible causes for diarrhea

    From: Colin F. Burrows. 1991. Diarrhea in kittens and young cats. pp. 415-418 IN J.R. August. Consultations in Feline Internal Medicine. WB Saunders Co., Philadelphia.
    Causes of acute (sudden onset) diarrhea

    Infections
    Viral
    Panleucopenia (distemper)
    Feline Leukemia Virus
    Coronavirus
    Rotavirus
    Astrovirus
    Bacterial
    Salmonella
    Campylobacter
    Escherischia coli (not documented in cats)
    Parasitic
    Roundworms
    Hookworms
    Coccidia
    Giardia
    Toxoplasma
    Diet esp. dietary change or raid on the garbage
    Toxic or drug-induced
    Acetominophen (tylenol)
    antibiotics
    Miscellaneous
    partial intestinal obstruction
    Most common causes are viral infections and dietary changes.
    Causes of chronic diarrhea

    Viral and Bacterial
    FIV
    FeLeuk
    Salmonella
    Campylobacter
    Clostridium
    Parasites
    as above, except Toxoplasma
    Dietary sensitivity
    Miscellaneous
    Inflammatory Bowel Disease
    Drug Sensitivity
    Inappropriate use of antibiotics
    Bacterial overgrowth??
    Partial intestinal obstruction
    Idiopathic (no known cause)
    You should enlist the help of your vet if symptoms persist for more than a few days, or if your kitten is weak or listless, or refuses to take fluids. Dehydration can rapidly kill a kitten.
    Feline Leukemia Virus (FeLV)

    Please see the Feline Leukemia Virus FAQ.
    FIV

    There is no vaccine for this. FIV is passed through open wounds, such as cat bites.
    This disease impairs the cat's immune system and it will often fall prey to some other opportunistic disease. While the virus is related to HIV, it is NOT possible to contract AIDS from a cat with FIV.

    FIV-positive cats should be kept inside and away from other cats. With this and other precautions, they may live a fairly long time. Because of their subsceptibility to secondary infections and complications, these cats are rather vet-intensive.

    They do not often die directly from FIV, but rather one of the diseases that they can get when their immune system is impaired. FIV appears to involve three stages: acute (swollen lymph glands, fever, depression, bacterial infections); latent (apparent wel being, can last months to years); and chronic (cat is susceptible to all kinds of other viruses, fungii, and bacteria). Survival over two years is rare.

    Feline Infectious Peritonitis (FIP)

    Please see the Feline Infectious Peritonitis FAQ.
    Upper Respiratory Disease

    Upper respiratory disease ("cold" or "flu"-like symptoms) is generally caused by viral or bacterial infection. Some common causes are feline herpes virus type 1 (FHV-1); feline calicivirus (FCV); and Chlamydia psittaci (a bacteria-like organism). In many upper respiratory infections, viral infections are complicated with secondary bacterial infections. Also, one or more viruses may be involved at the same time.
    Vaccines for FHV-1, FCV, and Chlamydia are available and are generally given as part of the standard kitten shot series. These vaccines protect against systemic infection (symptoms like fever, diarrhea, pneumonia) but they do not give such good protection against local infection of the upper respiratory tract (symptoms like sneezing, runny eyes).

    Feline herpesvirus

    FHV-1 (previously known as feline rhinotracheitis virus) can cause a variety of different clinical syndromes. The most common symptom is a runny nose and sneezing (rhinitis) which may be combined with reddened, squinting, runny eyes (conjunctivitis). FHV can also cause corneal ulcers, oral ulcers, fever, and diarrhea. In kittens, FHV infection can be severe. FHV is generally transmitted through direct contact or sneezing, and may be transmitted from a mother to her kittens before they are born.
    A vet will usually prescribe a broad spectrum antibiotic to clear up secondary bacterial infections, but there is no real cure for the viral infection, just management of it. As in human herpes virus infection, cats may develop a latent infection that causes virus shedding or mild recurrent attacks when the cat is stressed. If you know your cat has had herpes virus infection, try to keep your cat from getting stressed (when that's possible). If he is under stress, he can begin to shed the virus again without showing any signs of being sick himself, which means he may infect other cats. Note that FHV affects only cats. Don't worry, you can't get herpes from your cat!

    Feline calicivirus

    FCV can also cause a variety of clinical syndromes similar to those caused by FHV. FCV infection is more often associated with oral ulcers, fever, and joint pain, but may also be a contributing factor in rhinitis, conjunctivitis, and gum disease. A vet will usually prescribe a broad spectrum antibiotic to clear up secondary bacterial infections, but there is no real cure for the viral infection. As with FHV, cats may develop a latent infection and may shed virus even though they have no symptoms. Unlike FHV, shedding is not influenced by stress.
    Chlamydia psittaci

    Chlamydia is a bacteria-like organism that inhabits mucous membranes, primarily the tissues around the eyes (conjunctiva). Chlamydia can cause a variety of clinical syndromes similar to those caused by viruses and other organisms. The most common symptom is conjunctivitis, which (unlike that caused by FHV) is generally seen in one eye at first, then spreading to both eyes. Chlamydia can also cause rhinitis, fever, pneumonia, and diarrhea. Chlamydia infection responds well to topical tetracycline (given as an eye ointment). It is sometimes treated with other topical antibiotics or with systemic antibiotics (given in pill form). A similar organism, Mycoplasma, also causes conjunctivitis and is treated with antibiotics. Be careful to wash your hands after treating a cat with chlamydiosis, as it is possible for humans to develop a mild form of the disease through contact.
    Thyroid Problems

    Cats are far more prone to hyperthyroidism, in which too much thyroid is produced, as opposed to too little (hypothyroidism). Symptoms include ?.
    Treatment

    Regular doses of Tapazol.
    Surgery to remove most of the thyroid. This is a difficult and potentially dangerous operation (especially for an older cat), and it is not necessarily effective. That is, it will reduce the thyroid activity, but not necessarily stop the runaway thyroid growth--it may only reduce or delay the problem and you'll have to give Tapazol anyway. At the other extreme, you might also end up having to give the animal thyroid supplements...
    Radioactive Iodine treatment of thyroid. This is reported to be very effective in solving the problem. The troubles are it is very expensive, and it means leaving your cat at the facility where it is done for up to two weeks (they have to monitor the cat to make sure all the radioactivity is gone before letting it go home). Leaving a cat at a facility where there are other cats can expose it to the health problems of the other cats there.
    Vomiting

    Some cats vomit all the time; other cats do so relatively rarely. Vomiting is not a sign of the same sort of distress as it is in humans. Because they are carnivores, they need to be able to vomit quickly and almost at will without feeling sick.
    On the other hand, a cat that suddenly starts to vomit, or vomits more than usual or in some way demonstrates a departure from its normal habits should be checked by the vet.

    Reasons

    Most commonly, a cat vomits because it has hairballs. To check for this, examine the vomit carefully for small grayish pellets or lumps (it doesn't matter what color your cat's hair is). If these are present, then hairballs is the problem. Hairballs occur even with shorthair cats. All cats benefit from regular brushing to help minimize shedding and ingestion of hair. If your cat is vomiting because of hairballs, its normal behavior is not affected. That is, it will be its usual self immediately before and after vomiting.
    To help prevent this kind of vomiting, feed your cat on a regular basis some petroleum jelly (aka as Vaseline). If they don't like it, you can try Petromalt, a malt-flavored petroleum jelly. Pats of butter will also work. To give it to them, if they won't eat it of their free will, smear some on top of their paw and they will lick it up as they clean it off. Be careful to rub it in thoroughly, otherwise when they shake their paw, you'll have gobs of vaseline go flying onto the walls or carpet. Give it to them daily for a few days if they've just upchucked or are in the midst of dry heaves; go back down to a weekly dose once they've gotten rid of existing hairballs and this should keep them hairball free. Frequent brushing also helps; every bit of hair on the brush is less hair in your cat's stomach.

    Another common reason for vomiting is overeating, particularly dry food. The dry food absorbs water and swells, and then they have to throw it back up. If the vomit looks like a semi-solid tube of partially digested cat food, that's probably what it is.

    A cat may vomit when it is allergic to its food. You can check this out by trying another brand of food with substantially different ingredients and no food colorings.

    Sometimes cats vomit when they have worms. Consult your vet for a worming appointment.

    If the vomit is white or clear, that can be one of the symptoms of panleukopenia, feline distemper. If such vomiting occurs a coule of times over the course of a day or night, a phone call to the vet is in order.

    If cats eat something that obstructs their digestive system, they may try to vomit it back up. If you can see some of it in their mouth, DO NOT PULL IT OUT, especially if it is string. You may just cut up their intestines in the attempt. Take the cat to the vet immediately.

    If the cat displays other changes of behavior along with the vomiting, you should consult the vet. Eg. listlessness, refusing food along with vomiting may indicate poisoning.

    Periodic throwing up can be a sign of an over-active thyroid. This is particularly common in older cats. Your vet can do a blood test and find out the thyroid level. It can also be indicative of a kidney infection: something that your vet can also check out.

    In general, as distasteful as it may be, you should examine any vomit for indication of why the cat vomited.

    Summary

    Dietary problems include:
    sudden change in diet
    ingestion of foreign material (garbage, plants, etc)
    eating too rapidly
    intolerance or allergy to specific foods
    Problems with drugs include:
    specific reactions to certain drugs
    accidental overdosages
    Ingestion of toxins:
    Lead, ethylene glycol, cleaning agents, herbicides, fertilizers, heavy metals all specifically result in vomiting.
    Metabolic disorders:
    diabetes mellitus
    too little or too much of certain hormones, trace elements, etc.
    renal disease
    hepatic disease
    sepsis
    acidosis
    heat stroke
    Disorders of the stomach:
    obstruction (foreign body, disease or trauma)
    parasites
    assorted gastric disorders
    ulcers, polyps
    Disorders of the small intestine:
    parasites
    enteritis
    intraluminal obstruction
    inflammatory bowel disease
    fungal disease
    intestinal volvulus
    paralytic ileus
    Disorders of the large intestine:
    colitis
    constipation
    irritable bowel syndrome
    Abdominal disorders:
    pancreatitis
    gastrinoma of the pancreas
    peritonitus (any cause including FIP)
    inflammatory liver disease
    bile duct obstruction
    steatitis
    prostatitis
    pyelonephritis
    pyometra (infection of the uterus)
    urinary obstruction
    diaphragmatic hernia
    neoplasia
    Nerologic disorders:
    pain, fear, excitement, stress
    motion sickness
    inflammatory lesions
    trauma
    epilepsy
    neoplasia
    Misc:
    hiatal hernia
    heartworm
    Vomit stains

    You may now have stains on the carpet that you want to get rid of. Spot Shot, and other stain removers, work well at removing stains. If you're having trouble with bright red or orange stains, you may want to invest in a cat food that doesn't use dyes. That can help considerably in reducing the stain factor. [an error occurred while processing this directive]

      الوقت/التاريخ الآن هو الإثنين أغسطس 21, 2017 2:40 am