Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to cope with an ulcer [title] Consult a doctor. [step] Schedule an appointment with your medical professional. Most ulcers are caused by a type of bacteria, h. pylori, which damages the lining of the stomach and exposes it to harmful stomach acid.

Ending1: As such, it is imperative that you see a medical professional. [substeps] Developing an ulcer can be life-threatening. Ending2: Some ulcers of the digestive tract are caused by autoimmune disorders, such as crohn's disease or ulcerative colitis. Depending on your symptoms, your doctor will diagnose you or refer you to a specialist who will advise you on medical treatments. Ending3: If you are on any of the following medications, you should go to the doctor : [substeps] Probiotics, such as edamame and flaxseed [title] See a doctor for nausea, vomiting, and abdominal pain. [step] Experiencing ulcers can cause nausea, vomiting, and abdominal pain. Ending4: Other types of ulcers may include : [substeps] Bht. This fungus enters the stomach and may affect the gastrointestinal tract.

Answer format: ending1/ending2/ending3/ending4