I'm not familiar with Ranitidine is there a brand name associated with it? Is he going to look down into your stomach and see if you have acid reflux and/or the status of your esophogus for Barrett's?
FWIW,
Generic Name: ranitidine (ra NI ti deen)
Brand Names: Zantac, Zantac 150, Zantac 300, Zantac 75, Zantac
Before using this medication, tell your doctor if you are allergic to any drugs, or if you have kidney disease, liver disease, or porphyria.
Using ranitidine may increase your risk of developing pneumonia. Symptoms of pneumonia include chest pain, fever, feeling short of breath, and coughing up green or yellow mucus. Talk with your doctor about your specific risk of developing pneumonia.
Ranitidine granules and effervescent tablets must be dissolved in water before you take them.
Your doctor may recommend an antacid to help relieve pain. Carefully follow your doctor's directions about the type of antacid to use, and when to use it. Avoid drinking alcohol. It can increase the risk of damage to your stomach. It may take up to 8 weeks of using this medicine before your ulcer heals. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 weeks of treatment.