I had taken a course of metrogyl last week. But since last sunday i had quit it and changed my diet. My constipation is gone but there is a bitter taste in my mouth even now. Addd to the fact that there is chest congestion ( which might've been due to drinking oof cold water) . I have no other symptoms . I have no fever or breathing issues or even throat pain. But now this bitter taste is irritating me and causing me to have anxiety attacks.