allergy – n. a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people
bump – n. a swelling of tissue
immunologist – n. a science that deals with the ways in which the body protects itself from diseases and infections
rash – n. an eruption on the body
relief – n. removal or lightening of something oppressive, painful, or distressing
soak – v. to put something in a liquid for a period of time
seal – v. to close tightly or completely to prevent anyone or anything from moving in or out