Many times feeling difficult in breathing and vertigo. Many times it happens after eating much food in lunch/dinner . I usually take a big pillow and also feeling neck pain. I used to smoke cigarette almost 6 every day. But now i reduce it to 1-2 per day. Doctor checked my blood sugar , blood pressure CBC but everything was in control he gave me cinnarizine. After taking this treatment of 10 days  i was fine till 5-6 months. But now