Difficulty swallowing (dysphagia) means it takes more time and effort to move food or liquid from mouth to stomach. Dysphagia may also be associated with pain. In some cases, swallowing may be impossible. Dysphagia can occur at any age, but it's more common in older adults. The causes of swallowing problems vary, and treatment depends on the cause
Have problems getting food or liquids to go down on the first try.
Gag, choke, or cough when you swallow.
Have food or liquids come back up through your throat, mouth, or nose after you swallow.
Feel like foods or liquids are stuck in some part of your throat or chest.
Have pain when you swallow.
Have pain or pressure in your chest or have heartburn.
X-ray with a contrast material (barium X-ray
Dynamic swallowing study
A visual examination of your esophagus (endoscopy)
Fiber-optic endoscopic swallowing evaluation (FEES)
Esophageal muscle test (manometry)
Imaging scans include a CT scan, an MRI scan, or a positron emission tomography (PET) scan.