This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
A highway truck driver has profuse rhinorrhea and sneezing. Which amongst the following drugs would you prescibe him? 
Select and explain. 
A. Pheniramine, B. Promethazine, C. Dimenhydrinate, D. Cetrizine
D: Cetrizine
Answer: D: Cetrizine 
Explanation: Ans. is 'd' i.e., Cetrizine o Because the patient is a truck driver, we'll prefer a drug with least or no sedative effect. o Amongst the choices provided cetrizine is the antiallergic with least sedative action and hence the agent of choice.