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Upset Stomach

Indigestion, Heartburn, and Low Stomach Acidity

Indigestion refers to any number of gastrointestinal complaints, which can include gas (belching or flatulence) and upset stomach. “Heartburn” refers to a burning feeling that can be caused by stomach acid regurgitating into the esophagus from the stomach, by gastritis (inflammation of the lining of the stomach), or by an ulcer of the stomach or duodenum (also called peptic ulcer). In some cases, such as lactose intolerance, symptoms of indigestion are due to a specific cause that requires specific treatment. Sometimes symptoms associated with indigestion are caused by diseases unrelated to the gastrointestinal tract. For example, ovarian cancer may cause a sensation of bloating. Anyone with symptoms of indigestion should be properly diagnosed by a healthcare professional before assuming that the information below is applicable to their situation.

The most common cause of heartburn is gastroesophageal reflux disease (GERD), in which the sphincter between the esophagus and the stomach is not functioning properly. Another, related cause of heartburn is hiatal hernia, in which a small portion of the stomach protrudes through the aforementioned sphincter.

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Urinary Calculi

Kidney Stones

Kidney stones are hard masses that can grow from crystals forming within the kidneys. Doctors call kidney stones “renal calculi,” and the condition of having such stones “nephrolithiasis.”

Most kidney stones are made of calcium oxalate. People with a history of kidney stone formation should talk with their doctor to learn what type of stones they have—approximately one stone in three is made of something other than calcium oxalate and one in five contains little if any calcium in any form. Calcium oxalate stone formation is rare in primitive societies, suggesting that this condition is preventable. People who have formed a calcium oxalate stone are at high risk of forming another kidney stone.

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Urinary Tract Defects (Birth)

Birth Defects Prevention

Birth defects affect about 120,000 babies born in the United States each year. Birth defects account for more than 20% of infant deaths and contribute substantially to life-long disabilities. The causes of about 70% of all birth defects are unknown. Various occupational hazards, dietary factors, medications, personal habits, and environmental exposures may contribute to birth defects, but many questions remain about the exact nature of their influence.

Neural tube defects (NTDs) are one of the most common birth defects. NTDs result when the neural tube (which includes the spinal cord and brain) fails to close during the first month of embryonic development. NTDs include several disorders ranging from spina bifida (incomplete closure of the bones around the spinal cord that can lead to paralysis) to a lack of a cranium (the bones of the head) and its contents, called anencephaly. Approximately 4,000 pregnancies in the United States are affected by NTDs each year.

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Urinary Tract Infection (UTI)

Urinary Tract Infection (UTI)

Urinary tract infections (UTIs) are infections of the kidney, bladder, and urethra. They are generally triggered by bacteria and are more common when there is partial blockage of the urinary tract. In some people, UTIs tend to recur.

What are the symptoms of UTIs?
Symptoms of a UTI usually begin suddenly and include frequent urination that is irritating or burning, a persistent urge to urinate even after the bladder has been emptied, and cramping or pressure in the lower abdomen. The urine often has a strong or unusual smell and may appear cloudy. In more serious infections, fever, chills, pain in the back below the ribs, nausea, vomiting, and diarrhea may also be present.