All of the following are H2-receptor antagonist drugs except?

All of the following are H2-receptor antagonist drugs except?

مندرجہ ذیل مندرجہ ذیل ایچ ٹو رسیپٹر مخالف منشیات ہیں، علاوہ؟
Explanation

Omeprazole is a proton pump inhibitor (PPI), not an H2-receptor antagonist.

Cimetidine and Ranitidine are classic H2-receptor antagonists.

While Fexofenadine is an H1-receptor antagonist (antihistamine).