Allergic rhinitis and Hypersensitivity reaction

Allergic rhinitis noun - Rhinitis caused by an allergic reaction.

Hypersensitivity reaction and allergic rhinitis are semantically related. In some cases you can use "Hypersensitivity reaction" instead a noun phrase "Allergic rhinitis".

Hypersensitivity reaction noun - An inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock.

Allergic rhinitis and hypersensitivity reaction are semantically related. Sometimes you can replace phrase "Allergic rhinitis" with "Hypersensitivity reaction", this phrases are similar.