Gastroesophageal Reflux (GER) (Acid Reflux) in cats
- Occurrence: rarer
- Location of illness: Abdomen/pelvis, Chest
Gastroesophageal reflux (GER) in cats is a condition in which stomach acid and other stomach contents flow back into the cat’s esophagus. This reflux can lead to irritation and inflammation of the esophageal lining and is often referred to as acid reflux.
The most important facts at a glance
Gastroesophageal reflux (GER) in cats occurs when the lower esophageal sphincter, a ring of muscle at the end of the esophagus, does not function properly. This allows stomach acid and enzymes to enter the esophagus. This can be caused by mechanical problems, neurological disorders, Inflammatory conditions, or increased pressure in the stomach. Risk factors include certain medications, stress, and irregular feeding. Symptoms include regurgitation of food, loss of appetite, and Pain on swallowing. Weight loss is rare.
The diagnosis is difficult because symptoms are often non-specific. The veterinarian will perform a medical history and examination and may use imaging or an endoscopy. Treatment aims to relieve symptoms and treat the cause, such as by adjusting feeding habits or medications that reduce stomach acid production. In severe cases, surgery may be necessary.
The prognosis depends on the cause and severity. With early diagnosis and treatment, many cats can achieve a good quality of life. Prevention includes regular, small meals, a balanced diet, and avoiding heavy food or human foods. Regular veterinary examinations are important to detect health problems early.
Causes
The esophagus is a muscular tube that connects the throat to the stomach. At the lower end of the esophagus is a ring of muscle, the lower esophageal sphincter, which normally opens to allow food into the stomach and then closes to prevent stomach contents from flowing back. In gastroesophageal reflux (GER), this sphincter does not function properly, causing stomach acid and enzymes to enter the esophagus.
The causes of gastroesophageal reflux (GER) in cats can be varied. A common cause is a malfunction of the lower esophageal sphincter. This can be caused by mechanical problems, neurological disorders or Inflammatory conditions. Another possible cause is increased pressure in the stomach, which can be caused by excessive gas production or delayed gastric emptying.
Other risk factors include certain medications that delay gastric emptying, such as opioids or some anesthetics. Stress and irregular feeding can also promote reflux. In some cases, an anatomical anomaly, such as a hiatal hernia, can promote gastroesophageal reflux (GER).
Symptoms
The symptoms of gastroesophageal reflux (GER) in cats can be subtle and difficult to recognize. Affected cats may show signs of discomfort or Pain on swallowing, which may be reflected in a reduced food intake. Occasional Vomiting or regurgitation, especially of undigested food or liquids, is also a common symptom.
Another sign may be excessive Lip licking or swallowing, which indicates irritation of the esophagus. In some cases, chronic Cough or laryngitis may occur because the reflux acid can irritate the airways. Weight loss and a general deterioration of physical condition can also occur if food intake is impaired.
Diagnosis
The diagnosis of gastroesophageal reflux (GER) in cats can be challenging because the symptoms are often non-specific. The veterinarian will first take a thorough medical history and perform a physical examination. Attention will be paid to signs of Pain on swallowing or regurgitation.
To confirm the diagnosis, imaging techniques such as X-rays or an endoscopy of the esophagus can be used. An endoscopy makes it possible to directly examine the lining of the esophagus and identify any Inflammatory conditions or damage. In some cases, esophageal pH monitoring can also be performed to measure the acidity in the lower part of the esophagus.
Therapy
The treatment of gastroesophageal reflux (GER) in cats aims to relieve symptoms and treat the cause of the reflux. One of the first measures is to adjust feeding habits. Smaller, more frequent meals can help reduce pressure in the stomach and minimize reflux.
Medications that reduce stomach acid production, such as H2 receptor antagonists or proton pump inhibitors, can also be used to protect the lining of the esophagus. Prokinetic drugs, which accelerate gastric emptying, can also be helpful in reducing pressure on the lower esophageal sphincter.
In severe cases, or if an anatomical anomaly is present, surgery may be required to correct the cause of the reflux. The exact treatment strategy depends on the underlying cause and the severity of the condition.
Prognosis and follow-up care
The prognosis for cats with gastroesophageal reflux (GER) depends on the cause and severity of the condition. With early diagnosis and appropriate treatment, many cats can achieve a good quality of life and effectively control their symptoms. In cases where an underlying condition such as a hiatal hernia is present, the prognosis may vary depending on how successful the surgical correction is.
Chronic cases that do not respond well to treatment can maintain a good quality of life with long-term support and regular veterinary check-ups. Close collaboration with the veterinarian is crucial to developing the optimal treatment strategy for each individual cat.
Prevention
To prevent gastroesophageal reflux (GER) in cats, it is important to pay attention to feeding habits. Feeding small, frequent meals can help regulate stomach contents and reduce the risk of reflux. Avoid allowing your cat to engage in strenuous activities immediately after feeding, as this can destabilize stomach contents.
Make sure your cat’s diet is balanced and appropriate for their age and health needs. Food with a high fat content can weaken the esophageal sphincter between the stomach and esophagus, which can lead to reflux. Talk to your veterinarian about the best food choices for your cat.
Avoid giving your cat human food or unhealthy snacks that could irritate the gastrointestinal tract. Also, make sure your cat does not become overweight, as extra weight can increase pressure on the stomach.
Regular veterinary examinations are important to detect potential health problems early. If your cat is taking medication, discuss with your veterinarian whether it could affect the gastrointestinal tract and whether adjustments are necessary.
When to visit the vet?
Non-urgent see a veterinarian within 2–3 days
An interesting overview of gastrointestinal problems in cats, supplemented by information on the intestinal microbiome and the importance of probiotics, can be found here: https://petsvetcheck.de/fachbeitrag/magen-darm-probleme-bei-katzen/