How Acid Reflux Develops and Common Causes
Understanding the Mechanism of Acid Reflux
Acid reflux, also known as gastro-oesophageal reflux, occurs when the lower oesophageal sphincter (LOS) weakens or relaxes inappropriately. This muscular ring normally acts as a one-way valve between the stomach and oesophagus. When stomach acid escapes upwards, it irritates the delicate oesophageal lining, causing the characteristic burning sensation known as heartburn.
Primary Dietary Triggers
Certain foods and beverages commonly trigger acid reflux episodes. Spicy foods, citrus fruits, tomatoes, chocolate, and mint can relax the LOS or increase stomach acid production. Fatty and fried foods slow stomach emptying, creating more opportunity for reflux. Alcohol and caffeine also contribute to symptoms by affecting sphincter function and increasing acid production. Large meals and eating late at night exacerbate the problem by increasing stomach pressure.
Lifestyle and Physical Factors
Excess weight puts additional pressure on the stomach, forcing acid upwards. Smoking weakens the LOS and reduces saliva production, which normally helps neutralise acid. Tight clothing around the waist can compress the stomach. Stress may worsen symptoms by affecting digestion and increasing acid sensitivity.
Medical Conditions Contributing to Acid Reflux
Hiatal hernia, where part of the stomach pushes through the diaphragm, commonly causes chronic reflux. Gastroparesis (delayed stomach emptying) allows more time for acid to reflux. Pregnancy increases reflux risk due to hormonal changes and physical pressure from the growing baby. Certain medications, including some painkillers and blood pressure medications, may contribute to symptoms.
Treatment Options Available
Effective acid reflux management often requires medication alongside lifestyle modifications. Proton pump inhibitors (PPIs) like omeprazole work by reducing stomach acid production at the source. EverydayMeds offers several treatment options including omeprazole 20mg capsules, lansoprazole, and pantoprazole tablets. H2 receptor antagonists such as famotidine provide an alternative approach by blocking acid-producing signals. Your healthcare provider can help determine which treatment may be most suitable for your specific symptoms and medical history.
When to Seek Medical Advice
Frequent acid reflux episodes warrant medical attention, particularly if symptoms occur more than twice weekly or don't improve with over-the-counter treatments. Warning signs include difficulty swallowing, persistent cough, chest pain, or unexplained weight loss. Early intervention can prevent complications such as oesophageal damage or Barrett's oesophagus.
