Symptoms of Unbalanced pH Levels in the Stomach

The pH balance in the stomach is crucial for proper digestion and nutrient absorption. When this balance is disrupted, it can lead to various uncomfortable symptoms. Understanding the symptoms of unbalanced pH levels in the stomach is the first step towards addressing the underlying issue and restoring digestive health.

Symptoms of Hypochlorhydria (Low Stomach Acid)

Hypochlorhydria, or low stomach acid, can cause a range of symptoms that can significantly impact your overall well-being. Some of the most common symptoms include:

  1. Feeling full after eating a small amount of food
  2. Bloating and gas
  3. Indigestion and heartburn
  4. Constipation or diarrhea
  5. Undigested food in the stool
  6. Nausea and stomach cramps
  7. Soreness or burning sensation in the mouth
  8. Nutritional deficiencies, such as iron, vitamin B12, and calcium

Prolonged hypochlorhydria can also increase the risk of bacterial infections, such as Helicobacter pylori (H. pylori), which is associated with chronic gastritis and peptic ulcer disease.

Symptoms of Hyperchlorhydria (Excess Stomach Acid)

symptoms of unbalanced ph levels in stomachImage source: OpenStax College

On the other hand, hyperchlorhydria, or excess stomach acid, can also lead to a range of unpleasant symptoms. These include:

  1. Bloating and stomach aches
  2. Stomach and duodenal ulcers
  3. Reflux and heartburn
  4. Nausea

In severe cases, hyperchlorhydria can also contribute to the development of gastroesophageal reflux disease (GERD).

Symptoms of Achlorhydria (No Acid Secretion)

In some cases, the stomach may not produce any acid at all, a condition known as achlorhydria. This can lead to the following symptoms:

  1. Gastroesophageal reflux disease (GERD)
  2. Abdominal discomfort
  3. Early satiety (feeling full quickly)
  4. Weight loss
  5. Diarrhea or constipation
  6. Abdominal bloating
  7. Anemia
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Diagnosing Stomach pH Imbalances

To determine the pH balance in the stomach, healthcare providers may recommend the Heidelberg Stomach Acid Test. This non-invasive test uses a small capsule with a wireless electronic transmitter that records the pH of the stomach as you drink a solution with small amounts of baking soda.

Treating Stomach pH Imbalances

Depending on the underlying cause, there are various treatment options for addressing stomach pH imbalances:

Treating Hypochlorhydria

  • Hydrochloric acid (HCl) supplements can be used to restore stomach acid levels.
  • Antibiotics may be prescribed to treat bacterial infections, such as H. pylori.
  • Dietary changes, such as eating easy-to-digest, fiber-rich, and nutrient-dense foods, can also help manage symptoms.

Treating Hyperchlorhydria

  • Antacids or proton pump inhibitors (PPIs) may be prescribed to reduce stomach acid production.
  • Dietary changes, such as avoiding spicy, acidic, or fried foods, can also help alleviate symptoms.

Treating Achlorhydria

  • Addressing the underlying cause, such as autoimmune conditions or certain medications, is crucial.
  • Supplementation with digestive enzymes or HCl may be recommended to aid digestion.
  • Dietary changes, such as consuming easily digestible, nutrient-rich foods, can also be beneficial.

In summary, maintaining the correct pH balance in the stomach is essential for proper digestion and nutrient absorption. If you experience any of the symptoms mentioned above, it is crucial to consult a healthcare provider to diagnose and address the underlying cause of the stomach pH imbalance.


  1., “8 Low Stomach Acid Symptoms: Signs, Testing, and Treatment”
  2. Cleveland Clinic, “Hypochlorhydria (Low Stomach Acid): Symptoms, Tests, Treatment”
  3., “How pH Imbalance effects GUT health and your Lifestyle”
  4. Healthline, “pH Imbalance: Acidosis, Alkalosis, Diagnosis, and Treatment”
  5. WebMD, “Hypochlorhydria: Causes, Symptoms, Treatment, and More”
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