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.
Pharyngeal stage. Food enters the pharynx (throat). A flap called the epiglottis closes off the passage to the windpipe so food cannot get into the lungs. Next, the muscles in the throat relax, and food and liquid are quickly passed down the pharynx (throat) into the esophagus.The epiglottis opens again to allow for breathing.ood enters the pharynx (throat). A flap called the epiglottis closes off the passage to the windpipe so food cannot get into the lungs. Next, the muscles in the throat relax, and food and liquid are quickly passed down the pharynx (throat) into the esophagus. The epiglottis opens again to allow for breathing.