Tropes about allergies, irritants, and asthma. Sub-index of Indexitis. Compare Weakness Tropes. Related to Nose Tropes, Eye Tropes, and Mouthful of Index. Please note that Allergic to Love, Allergic to Evil, and Allergic to Routine are not actual tropes about allergies, despite the title.
- Abnormal Allergy: A character having an oddball allergy, most of the time not even existing in real life.
- Fictional Disability: A character may be allergic to their universe's Phlebotinum, making them disabled.
- Ironic Allergy: A person has an allergy that is contradicting to their interests, profession, personality, or biology.
- Nerdy Inhaler: A nerd with asthma uses an inhaler to counteract their allergies.
- Pepper Sneeze: Breathing pepper makes you sneeze.
- Plot Allergy: Allergies used as a plot point.
- Self-Induced Allergic Reaction: A character induces an allergic reaction in themselves.
- Sickly Neurotic Geek: Nerds always tend to be allergic to a lot of things.
- Weaponized Allergy: Someone takes advantage of one's allergies to cause them harm.