Hi.... Welcome to healthcare magic. As per your complain you have problem of soreness at neck area that may be because of acid reflux. More acid reflux lead to ulceration or irritation to esophageal mucosa. Laryngoscopy examination is helpful for further diagnosis. If you have other problems like heartburn and abdominal bloting problem that all related to gastroesophageal reflux disease. Consult a gastroenterologist for further diagnosis. Endoscopy examination can done for further diagnosis. Proton pump inhibitor drugs helpful in reflux problem. Do some diet and lifestyle modifications like.. Avoid spicy food and alcohol drinking.. Avoid stress. Drink more water. Avoid citrus foods, carbonated drinks, chocolates and coffee.. Eat a small amount of meal and chew properly. Elevate your head during sleeping time. This all things helpful to control reflux problem. Consult a gastroenterologist for further treatment. I hope my guidance helpful to you.. Take care. Thank you.