Respuesta :
I believe the answer is: A. Antihistamines
The main function of Antihistamines is to give a certain level of relief to a person who has nasal congestion, sneezing, or hives due to a certain type of allergy. They are generally available over the counter due to its low price and very few potential side effects.
If you are suffering from a cough or a cold the doctor would recommend antihistamines to you.
What are Antihistamines?
These are those medications that the physicians usually recommend to people that are having flu like symptoms.
These medications are known to alleviate allergies, cold, and cough also.
Read more on antihistamines here
https://brainly.com/question/17021071