The oregano oil is with us the application as proven means against colds upper respiratory tract and in severe cough. Taking 2 x daily from a maximum of 5 drops in a glass of water or tea in a period of 3 days is enough normally to effect a relief from the discomfort. The reduced dose of 2 x 2 to 3 drops daily for further 4 days sufficient to the complaints are totally going. That means we can recommend without hesitation.