Some causes of excess stomach acid include diet, stomach ulcer, cancer, stress, and bacterial infection, according to Health Guidance. Stomach acid is important to gastrointestinal health because it prevents infection an... More » Health Pain & Symptoms

An excess of lactic acid, also known as lactic acidosis, can be prevented through exercising, through drinking plenty of water and by taking appropriate medications, according to WebMD. Those who start exercising to get ... More »

Eating foods that are high in fiber or that are spicy or oily, suffering from stress and eating at irregular times are causes for elevated levels of stomach acid, as stated by The stomach's inner laye... More »

The primary cause of acid reflux is the moving of stomach acid into the esophagus, according to WebMD. Typically, the lower esophageal sphincter closes off the entrance of the stomach, but failure of the sphincter to clo... More » Health Pain & Symptoms

A fluttering sensation in the stomach or lower abdomen may be an early sign of pregnancy, according to SteadyHealth. Fluttering in the stomach could also be the result of an imbalance of electrolytes, muscle fatigue or h... More »

Factors such as diet, stress and irregular eating can lead to excessive acid production in the stomach, according to HealthGuidance. Spicy foods and greasy foods can increase acid production in the stomach, as can excess... More »

Black stool is often caused by bleeding in the upper gastrointestinal tract, specifically in the esophagus, stomach or small intestines, notes Healthgrades. Medication and other ingested substances, including black licor... More » Health Pain & Symptoms