An upper gastrointestinal (UGI) endoscopy is a procedure that allows your doctor to look at the inside lining of your esophagus, your stomach, and the first part of your small intestine (duodenum).A thin, flexible viewing tool called an endoscope (scope) is used.n upper gastrointestinal (UGI) endoscopy may be done to: 1  Find problems in the upper gastrointestinal (GI) tract. 2  These problems can include: 3  Inflammation of the esophagus (esophagitis) or the stomach (gastritis). 4  Gastroesophageal reflux disease (GERD) . 5  A narrowing (stricture) of the esophagus.
During the first week the usual Zoloft dosage is 25 mg once a day. After that the dose increases to 50 mg once a day. Depending upon your response, your physician may continue to increase your Zoloft dosage up to a maximum of 200 mg a day.
The Zoloft dosage that doctors usually recommend for adults with depression or obsessive-compulsive disorder is 50 mg once a day. The dose of ZoloftÂ® (sertraline hydrochloride) your healthcare provider prescribes will vary, depending on a number of factors, including: