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.
What flap of tissue prevents food from entering the trachea during swallowing? The epiglottis is a leaf-shaped, flap-like structure made of  elastic cartilage that covers the trachea like a lid. The  epiglottis directs food to the stomach (through the â¦esophagus) and  air to the lungs (through the trachea).    When you swallow, your epiglottis closes off your larynx leaving  the only open passage the esophagus. This is why we cannot breathe  and swallow at the same time.