Strangles_ signs, treatment and prevention – conley and koontz equine hospital symptoms of enlarged lymph nodes in the neck

Strangles is an upper respiratory disease of horses caused by the bacteria Streptococcus equi subspecies equi (S. Swollen lymph nodes in the neck causes equi). Swollen painful lymph nodes in neck and jaw The disease has been reported as early as the thirteenth century. Enlarged lymph nodes in axilla It causes a distinctive swelling under the jaw and around the neck, prompting early veterinarians to name the disease “strangles”. Causes of swollen lymph nodes in neck Despite the colorful name I have never seen a horse “strangle” to death but I have seen horses that looked close to death.

In typical cases, horses develop a high fever, are depressed, and develop a clear nasal discharge that becomes thick and white.


Painful enlarged lymph nodes in groin The mandibular and retropharyngeal lymph nodes are initially firm but become fluctuant and swollen attributing to the colorful name of the disease. What is enlarged lymph nodes in the neck The swelling under the throat latch may become so severe that the horse has difficulty swallowing or difficulty breathing. Enlarged lymph nodes in groin The lymph nodes rupture at 7 to 10 days after the onset of signs. Enlarged non tender lymph nodes Ruptured lymph nodes drain a white to yellow pus for several days. Pictures of enlarged lymph nodes A soft moist cough may be heard in some horses.

The average course of the syndrome is 23 days from exposure to resolution. Enlarged or swollen lymph nodes The incubation period ranges from 2 to 6 days after exposure to the bacteria.

Some horses that develop the disease will resolve and the horse will be completely normal, some of the horses will develop serious complications, and some will become asymptomatic carriers. Causes of enlarged lymph nodes in neck Complications most frequently result from metastasis of the organism to other organ systems with the formation of abscesses.

•Internal abscessation of the abdomen or of other organs (often called Bastard Strangles). Multiple swollen lymph nodes in neck The causes of internal abscessation are not known, although inadequate antibiotic therapy or antibiotic therapy at the wrong time may be contributory. Why lymph nodes swell under arms The horse may have a history of intermittent colic, periodic fever, anorexia, depression, and weight loss.

• Purpura hemorrhagica. What can cause enlarged lymph nodes This is the most devastating and the most dangerous potential complication. Enlarged lymph nodes in neck on one side Purpura hemorrhagica causes severe inflammation to the blood vessels called vasculitis. Causes for swollen lymph nodes behind ear It can occur following exposure to S.equi by natural infection or following vaccination. What causes enlarged lymph nodes in dogs The clinical signs of purpura hemorrhagica vary and range from a mild transient reaction to severe vasculitis and even death.

Horses with purpura develop swelling of the limbs, head, and trunk. Swollen lymph nodes in dogs face The vasculitis may cause skin sloughing. Swollen lymph node behind ear for years Hemorrhage of the mucus membranes can be seen. Why lymph nodes swell in neck Horses may also develop colic due to swelling and hemorrhage of the bowel. Reasons for enlarged lymph nodes in armpit Death may ensue as a result of pneumonia, cardiac arrhythmias, renal failure, or gastrointestinal disorders.

•Guttural pouch empyema and chondroid formation. Swollen lymph nodes for years There is a large sac in the throat latch called the guttural pouch. Causes of swollen lymph nodes in neck and jaw This sac can become filled with pus. Causes for enlarged lymph nodes in neck Sometimes the pus will develop into hard masses called chondroids.

These horses can become asymptomatic carriers. Swollen lymph nodes in back of neck causes Outwardly the horse will seem normal but it can transmit strangles to other horses on the farm. Enlarged inguinal lymph nodes symptoms These asymptomatic carriers can be very hard to identify. Causes for swollen lymph nodes in armpit One asymptomatic carrier can cause outbreaks of strangles on the farm for years and can make efforts to control the spread of disease frustrating or futile.

The infection occurs primarily in horses 1 to 5 years old but is not restricted to this age group. Reasons for enlarged lymph nodes in abdomen In susceptible equine populations, morbidity is nearly100%. Enlarged groin lymph nodes symptoms That is a sophisticated way to say if one horse in the barn get strangles usually several or all of the horses in the barn get strangles. Enlarged neck lymph nodes pictures The good news is that the mortality is low (up to 10%) if appropriate therapy is instituted.

It was once believed that if a horse has recovered from strangles that that horse was immune for the rest of its life. What do swollen lymph nodes in the neck look like This is not exactly true, immunity is not lifelong. Enlarged thyroid swollen lymph nodes Once having been infected, approximately 75% of the horses are immune to the organism for 4years. Symptoms of swollen lymph nodes in the neck Some of those horses will develop into asymptomatic carriers.

Be aware that horses that have symptoms of strangles can transmit the disease to other horses several months after resolution of symptoms. Sore throat and swollen lymph nodes in neck treatment Asymptomatic carriers can transmit strangles to other horses for up to four years.

The organism can survive for long periods in the environment; S. Enlarged lymph nodes are known as equi survived for 63 days on wood at temperatures of 36 degrees Fahrenheit and for 48 days on glass or wood at temperatures of 68 degrees Fahrenheit.

Fortunately S. What is enlarged lymph nodes equi is easily killed with disinfectants such as bleach, povidone-iodine, chlorhexidine, and glutaraldehyde. Swollen lymph nodes in groin and neck causes Any one of these disinfectants will kill the organism in the environment within 90 minutes.

For horses exposed to the organism but not yet showing swelling of the lymph nodes, antibiotic therapy can be used to prevent seeding of the pharyngeal lymph nodes. What do swollen lymph nodes in the neck feel like Antimicrobial therapy should continue for as long as the horse remains exposed to the organism. Swollen lymph nodes in the neck symptoms Remember that can be up to 30 days in the environment or longer if the horse remains in contact with a carrier.

For horses exhibiting evidence of lymph node swelling or abscessation, the administration of antibiotics slows the progression of lymph node abscessation. What do enlarged lymph nodes indicate Using antibiotics in these horses can lead to bastard strangles or purpura hemorrhagica. What causes enlarged lymph nodes Antibiotics should not be used in horses while they exhibit lymph node swelling.

Horses should be treated symptomatically until an abscess forms. Swollen painful lymph nodes in neck right side Hot-packing the swollen areas promote abscess formation. Enlarged lymph nodes in groin child Once an abscess has formed, the veterinarian can lance the abscess and flush it with wound irrigation solution. Can swollen lymph nodes cause sore throat At that time aggressive antibiotic therapy can begin.

Horses that are severely systemically ill or that develop complications such as difficulty swallowing or respiratory distress require supportive care in addition to high levels of intravenous antibiotics. Mildly enlarged mediastinal lymph nodes This therapy may entail intravenous fluid therapy, a tracheotomy, nonsteroidal anti-inflammatory drugs, and feeding via a nasogastric tube.

Prevent spread of infection to horses on other premises and to new arrivals by immediately stopping all movement of horses on and off the premises.

Isolate infectious horses from those screened negative for S. What causes enlarged lymph nodes in groin area equi. Swollen painful lymph nodes in neck but not sick Cordon off an isolation area and have infectious horses looked after by a dedicated staff wearing protective clothing and footgear.

At Conley and Koontz Equine Hospital we recommend that all mares be vaccinated with intranasal vaccine 30 days before giving birth. Swollen cervical lymph nodes in neck causes Foals should be vaccinated with intranasal vaccines at five and six months of age. Causes of swollen lymph nodes in neck and face Adult horses with any risk of exposure to strangles should be vaccinated yearly with the intranasal vaccine.

None of the vaccines currently on the market guarantee prevention of strangles in vaccinated horses. Enlarged neck lymph nodes in dogs However the intranasal vaccine used by Conley and Koontz Equine Hospital veterinarians give the best protection with the fewest side effects. Pictures of swollen lymph nodes in groin female If vaccinated horses do develop the disease from natural exposure the symptoms are usually lessened, the duration is shorter, and the carrier state is shorter.

In isolated cases horses can develop strangles-like symptoms from the vaccination. Causes of swollen lymph nodes in neck and armpit While the horse may experience fever, poor appetite, and even swollen lymph nodes this syndrome is not actual strangles. Swollen groin lymph nodes std The symptoms are usually transitory and short lived. Enlarged lymph nodes in the neck armpits or groin The affected horse cannot spread the disease to other horses.

Effective immunity after vaccination takes 7 to 10 days to develop. What causes enlarged lymph nodes in abdomen Peak immunity does not occur for 21 to 28 days. Pictures of enlarged lymph nodes in the neck If you have an unvaccinated horse that is moving to a high risk environment; such as a show, trail riding or a breeding farm, it is best to vaccinate at least 30 days before exposure.

If you have questions about strangles, believe that your horse may have strangles, or you would like to have your horse vaccinated call Conley and Koontz Equine Hospital at 877-499-9909.