Question

Both antacids and anti-allergic drugs are antihistamines but they cannot replace each other?

Answer 1

as antacids are used to treat acidity and anti allergic for allergies while these are both antihistamines

Answer 2

Both antacids and antiallergic drugs are antihistamines but they cannot replace each other. Explain why?

${\huge{\bold{\orange{Answer-}}}}$

Antacids are drugs that counteract acid in the stomach and antihistamines are drugs that block histamine action in the body .both antacids and antiallergic drugs work on different receptors in the body and hence they cannot replace each other.