Hi.. Welcome to healthcare magic. As you mentioned you have problem of acid reflux. You have cough problem and difficult in breathing that may be because of respiratory infection. Auscaltation of respiratory sound helpful in diagnosis. Consult your doctor for further diagnosis. For acid reflux pronto pump inhibitor drugs helpful. Avoid gaseous foods, citrus foods, too fatty foods ,alcohol drinking ,chocolate etc... Take a small amount of meal and chew properly. Avoid immeadiate lying down after meal. Elevate your head during sleeping time. I hope this will help you. Get well soon.. Thank you.