6 . Global Over-the-Counter Drug Market by Region 2018-2024 6.1 . North America 6.1.1 . North America Over-the-Counter Drug Market by Route of Administration 6.1.2 . North America Over-the-Counter Drug Market by Therapeutic Class 6.1.3 . North America Over-the-Counter Drug Market by Country 6.2 . Europe 6.2.1 . Europe Over-the-Counter Drug Market by Route of Administration 6.2.2 . Europe Over-the-Counter Drug Market by Therapeutic Class 6.2.3 . Europe Over-the-Counter Drug Market by Country 6.3 . Asia-Pacific 6.3.1 . Asia-Pacific Over-the-Counter Drug Market by Route of Administration 6.3.2 . Asia-Pacific Over-the-Counter Drug Market by Therapeutic Class 6.3.3 . Asia-Pacific Over-the-Counter Drug Market by Country 6.4 . RoW 6.4.1 . RoW Over-the-Counter Drug Market by Route of Administration 6.4.2 . RoW Over-the-Counter Drug Market by Therapeutic Class