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# histamine

«histamine» in Mova's school dictionary: **A chemical made by the body that causes allergy symptoms…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (histamine, uncountable)

### meaning for a pupil

(science) A chemical made by the body that causes allergy symptoms such as sneezing, itching, swelling and a runny nose when the body reacts to things like pollen, dust or insect bites. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#m1)

### sense in the lessons

In health and science lessons on allergies and hay fever: when pollen gets in your nose, the body releases histamine. «Antihistamine» medicines block it and help with hay fever, rashes and itchy bites. Safety: only take medicine given by an adult; serious allergies need an EpiPen and an ambulance.

### examples

- Histamine makes your eyes itch when you have hay fever. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#x1)
- An antihistamine tablet stopped my sneezing. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#x2)
- A mosquito bite swells because of histamine. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#x3)
- The body releases histamine when it meets an allergen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#x4)
- Nettle stings contain some histamine. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/#x5)

### note

Uncountable. Said «HIS-tuh-meen». «Antihistamine» means a medicine against histamine.

### In the corpora

- [Germs include bacteria, viruses and fungi; histamine is not a germ but a substance the body releases in an allergy.](https://md.mova.elamur.ai/free/en/corpora/school/medicine/77-olympiad-odd-one-out-order-and-tall-tales/5/)

### Trees and pragmatics

[Every meaning and example of «histamine» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/H/histamine/), each sentence with its dependency tree and frames.