The functions of antihistamine are :
Option: 1 Antiallergic and Analgesic
Option: 2 Antiallergic and antidepressant
Option: 3 Antacid and antiallergic
Option: 4 Analgesic and antacid
The functions of Antihistamines are Antacid and Anti-allergic.
Hence, the correct answer is Option (3)
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