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.
1 Sertraline (Zoloft) is used to treat depression, OCD and many other conditins in adults, and severe OCD in children. 2  The usual dose of sertraline is 50 mg. 3  The dose can be increased if needed.herapy is usually started at 50 mg/day and the dose is increased at weekly intervals if necessary. The maximum dose is 200 mg/day. Children and older people often need smaller doses of medication and may start with 25 mg/day. People with liver disease may need a smaller dose of sertraline.