Dr. Gottlieb's specialty areas in gastroenterology.


Colonoscopy, polypectomy and colon cancer prevention

The purpose of colonoscopy for colon cancer prevention is the removal of precancerous polyps (adenomas) before these polyps had time to acquire new mutations, grow and become cancerous. The progression of polyps to cancer is known as adenoma-carcinoma sequence. While there is evidence that certain drugs can decrease the risk of polyps progressing to cancer, the only reliable method is polyp removal during colonoscopy (polypectomy).

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Upper endoscopy (EGD) and GERD (Acid Reflux)

Upper endoscopy, also known as EGD (for esophago-gastro-duodenoscopy), is a procedure which allows direct examination of the lining of the esophagus (food pipe), the stomach and the first part of the small intestine (duodenum). When combined with ultrasound it is known as upper EUS.

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IBS-Irritable Bowel Syndrome and constipation

Irritable bowel syndrome (IBS) is a problem that affects the large intestine. It can cause abdominal cramping, bloating, and a change in bowel habits. Some people with the disorder have constipation. Some have diarrhea. Others go back and forth between the two.

Irritable bowel syndrome (IBS) and chronic idiopathic constipation (CIC) are among the most common conditions seen by gastroenterologists. Selecting appropriate therapies for patients with these disorders is complicated because there is not one specific disease-causing mechanism and patients often suffer from a broad range of nonspecific symptoms.

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About this site

This is the professional home page and blog of Dr. Klaus Gottlieb, a highly trained and credentialed gastroenterologist in San Luis Obispo County on the California Central Coast. While the site and the blog provide useful information about medical conditions, the information on this site is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. If you need such advice, make an appointment with your primary care physician or directly with Dr. Gottlieb:

Appointments for the Templeton, CA, office or the San Luis Obispo, CA, office can be made by calling (805) 434-2434.

Dr. Klaus Gottlieb Gastroenterologist in San Luis Obispo


Dr. Klaus Gottlieb Gastroenterologist in Templeton