Question

Give examples of antihistamines.

Answer 1

Hint: Histamines: They are the chemical compounds which are released by our body when our body feels something bad or taste something bad.
Antihistamines: These are defined as the drugs which treat allergic problems.

Complete step by step solution:
Let us first talk about what are histamines and antihistamines.
Histamines: They are the chemical compounds which are released by our body when our body feels something bad or taste something bad. Histamines are generally organic (which is made up of carbon and hydrogen) nitrogenous compounds. Histamines controls immune responses and also controls physiological function. Histamines act as neurotransmitters for the brain and spinal cord.
For example: when insect bites then at that place it causes itching and redness. This is because of histamine released by the body.
Histamines rich foods are: dried fruits, alcohol, spinach, etc.
Antihistamines: These are defined as the drugs which treat allergic problems. Or we can say it reduces the level of histamines and minimizes allergic reactions and symptoms.
For example: natural antihistamine is vitamin C. Vitamin C rich foods are broccoli, cauliflower, berries, citrus fruits, etc.
Uses of antihistamines:
1.They are used to relieve symptoms of allergies for example reaction to insect bites.
2.They are used to prevent motion sickness
3.They are used for the treatment of insomnia (sleeping disorder).
Natural antihistamines (found in nature) are vitamin C, probiotics, quercetin, etc.
Some other antihistamines are as: Allegra, Claritin, Zyrtec, etc.
Claritin is used for itching purposes, watery eyes, sneezing, etc.
Allegra: It is also used for the itching purpose, water eyes, sneezing, etc. Older people like those whose age are above $65$ should not use allegra without consulting a doctor once.
Basically antihistamines just reduce the level of histamines released by our body during an allergic reaction.

Note: Drugs are defined as the chemical substance which is used in the treatment or diagnosis of disease which may be physical or mental disease. For example: quinine is used for the treatment of malaria.