Gastroesophageal reflux disease, obstructive sleep apnea, and post nasal drip are all possible sources of choking on saliva although it is impossible to say for sure without a doctor's check-up, according to NetWellness.... More »

Some possible causes of choking on saliva are hypersalivation, dysphagia and certain types of neurological conditions. Some very common causes for hypersalivation can be due to eating spicy or sour foods or taking certai... More »

It isn't really possible for a person to swallow their own tongue. A small fold of tissue called the frenulum linguae holds the tongue in place even during a seizure. More » Science Human Anatomy Muscles

Colds, flu and allergies are common causes of post nasal drip, according to WebMD. Certain medications and foods also cause post nasal drip. Other potential causes include a deviated septum, pregnancy, hay fever and sinu... More » Health Pain & Symptoms

Gastroesophageal reflux disease, or GERD, often leaves a sour or bitter taste in the mouth, according to WebMD. The taste results from the backflow of stomach juices and acid into the esophagus. Persistent heartburn, cha... More »

Night body shaking, or tremors, can be a part of normal sleep behavior or may be a symptom of a sleep disorder, explains NetWellness. Sleep starts and periodic limb movements may be the cause of night tremors. Additional... More »

A likely reason for having a large bubble under the tongue is a mucocele, wherein a damaged spit gland causes a soft protuberance or a blister-like lesion to form in the mouth, explains NetWellness. Mucoceles may also oc... More »