haれるreruhaれるreru
1.

To undergo a physical enlargement of a specific area of the body due to injury or illness, often associated with inflammation.

2.

To experience an abnormal increase in size or volume in a particular body part, commonly observed in medical conditions or after impact.

3.

To express a heightened emotional state of infatuation or romantic feelings, often used humorously or in exaggeration.

Example:

扁桃腺がはれている気がするのですが。