Foreign body sensation in the throat with eructation after taking capsules may be due to foreign body blockage, local mucosal injury, gastroesophageal diseases and other reasons. 1. Foreign body blockage: the capsule may start to dissolve in the esophagus and pharynx after taking it in the mouth for a long period of time, resulting in adherence to the pharynx and esophagus, resulting in a foreign body sensation, hiccups and other symptoms, which can be facilitated by drinking water and other ways to promote its downward mobility. 2. Local mucous membrane damage: If the water temperature is too high in taking the medicine, or the amount of medicine taken at one time is too large, it may lead to edema in the mucous membrane of the pharynx stimulation, resulting in symptoms such as foreign body sensation and hiccups, which can be relieved after resting and taking light diet in mild cases. 3. Gastroesophageal diseases: some diseases such as gastroesophageal reflux disease, gastritis, etc., after ingesting the drug, it will have a certain stimulation, triggering the above symptoms, it is recommended to go to the hospital. If you experience the above symptoms or suspect foreign body obstruction or gastroesophageal diseases, it is recommended that you go to the hospital in time.