Exploring the Causes of Acidity: What Triggers That Burning Sensation?

Acidity is a common discomfort that many of us have experienced at some point in our lives. It’s that burning sensation in the chest or the back of the throat that can be quite unpleasant. While we’re all familiar with acidity, not everyone knows what causes it. In this article, we will explore the various reasons behind acidity, shedding light on the factors that can trigger this uncomfortable condition.

Dietary Choices

  1. Spicy and Fried Foods: Spicy and fried foods are notorious culprits when it comes to acidity. They can irritate the stomach lining and lead to excess acid production.
  2. Citrus Fruits: Citrus fruits like oranges, lemons, and grapefruits are acidic in nature. Consuming them in large quantities can contribute to acidity.
  3. Tomatoes and Tomato-Based Products: Tomatoes are acidic and can be problematic for some individuals, especially when consumed in the form of sauces or ketchup.
  4. Carbonated Drinks: Soda and carbonated beverages are loaded with carbon dioxide, which can increase the pressure in the stomach, leading to acid reflux.

Eating Habits

  1. Overeating: Eating excessively in one sitting can overwhelm the stomach’s capacity to digest food, causing stomach acid to flow back into the esophagus.
  2. Eating Too Quickly: Wolfing down your meals doesn’t give your stomach enough time to signal to the brain that it’s full, which can result in overeating and acidity.
  3. Late-Night Snacking: Eating late at night or just before bedtime doesn’t allow gravity to assist in keeping stomach acid down, leading to nighttime acidity.
  4. Lying Down After Eating: Lying down immediately after a meal can allow stomach acid to flow into the esophagus due to the absence of gravitational assistance.

Lifestyle Factors

  1. Smoking: Smoking weakens the lower esophageal sphincter (LES), making it easier for stomach acid to reflux into the esophagus.
  2. Obesity: Excess weight, particularly around the abdomen, can increase abdominal pressure, promoting acid reflux.
  3. Stress and Anxiety: Chronic stress and anxiety can lead to overeating or unhealthy dietary choices, both of which can trigger acidity.
  4. Irregular Meal Times: Skipping meals or eating at irregular intervals can disrupt the body’s natural digestive rhythms, increasing the risk of acidity.

Medical Conditions

  1. Gastroesophageal Reflux Disease (GERD): GERD is a chronic condition where the LES doesn’t function properly, allowing stomach acid to frequently flow into the esophagus.
  2. Hiatal Hernia: A hiatal hernia occurs when part of the stomach protrudes into the chest cavity, increasing the risk of acid reflux.


  1. Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): NSAIDs like aspirin and ibuprofen can irritate the stomach lining and lead to acidity.
  2. Certain Antibiotics: Some antibiotics, when used over an extended period, can disrupt the balance of stomach acid.

Other Triggers

  1. Alcohol: Excessive alcohol consumption can irritate the stomach lining and lead to acid reflux.
  2. Caffeine: Caffeine, found in coffee, tea, and some sodas, can relax the LES and promote acidity.


Acidity can be triggered by various factors, ranging from dietary choices and eating habits to lifestyle factors, medical conditions, and medications. Understanding these causes is the first step in managing and preventing acidity. By making informed choices and adopting a healthy lifestyle, you can reduce the risk of experiencing this uncomfortable condition. Remember, small changes in your daily routine can go a long way in maintaining good digestive health.

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