hi Difficulty swallowing is also called dysphagia.it is usually a sign of a problem with your throat or esophagus.although dysphagia can happen to any one,its most common in older patient,babies and people who have problems of the brain or nervous system. if u have a hard time swalloing once or twice, you probably do not have a medical problem. this can happen if you have- Had a brain or spinal cord injury. Immune system problem that causes swelling or inflammation or weakness such as polymyosiyis or dermatomyosistis. Esophageal spasm. Scleroderma,in this condition tissues of esophagus become hard and narrow. GERD. Diverticula. Esophegeal tumors.