Barbiturates can induce hepatic microsomal enzymes causing elevated metabolism and diminished anticoagulant response of oral anticoagulants (eg, warfarin, acenocoumarol, dicumarol, and phenprocoumon); clients stabilized on anticoagulant therapy could require dosage adjustments if barbiturates are included to or withdrawn from their dosage programpe… Read More

Blockage on the Intestine. A lot of people having promethazine/phenylephrine/codeine could establish critical constipation or even a blockage from the intestine (bowel obstruction).Lung Difficulties. Promethazine/phenylephrine/codeine shouldn't be used When you've got significant asthma, difficulty respiration, or other lung troubles. Promethazine… Read More