Loratadine is an antihistamine that is sold under the brand name of Claritin. This medication is used to treat hay fever and allergy symptoms such as sneezing, runny nose, itching and watery eyes.
Epiglottis. The epiglottis is a flap of soft cartilage, covered by a mucous membrane. It is attached to the back of the tongue and acts as a valve during swallowing to prevent food and liquid from entering the lungs. This valve closes when we swallow food, liquid, even saliva, without us having to think about doing so.In other words, it is an unconscious action.t is attached to the back of the tongue and acts as a valve during swallowing to prevent food and liquid from entering the lungs. This valve closes when we swallow food, liquid, even saliva, without us having to think about doing so.
Occasionally, a person may choke when food gets past the epiglottis or sticks to a structure within the pharynx and blocks the airway. The vocal folds contract to catch the blockage before it passes into the trachea. Coughing pushes air out of the lungs to force the blockage out of the airway.