The most frequently reported adverse reactions are drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea and vomiting. These effects seem to be more prominent in ambulatory than in nonambulatory patients, and some of these adverse reactions may be alleviated if the patient lies down.
Other adverse reactions include allergic reactions, euphoria, dysphoria, constipation, abdominal pain, pruritus, rash, thrombocytopenia, agranulocytosis.
At higher doses codeine has most of the disadvantages of morphine including respiratory depression.
To report SUSPECTED ADVERSE REACTIONS, contact Valeant Pharmaceuticals North America at 1-800-556-1937 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.