Correct option is B
Antihistamines are used to
counteract the effects of histamines, which cause allergic reactions such as:
·
Allergies: Antihistamines can treat hay fever, hives, allergic conjunctivitis, and allergic reactions to insect bites
·
Motion sickness: Antihistamines can help prevent motion sickness
·
Nausea and vomiting: Antihistamines can help treat nausea and vomiting
·
Insomnia: Some antihistamines can help with short-term insomnia
·
Cough: The syrup form of diphenhydramine can relieve a cough caused by hay fever or colds
