ADVERSE REACTIONS
The most frequently observed adverse reactions include lightheadedness, dizziness, sedation, shortness of breath, nausea and vomiting. These effects seem to be more prominent in ambulatory than in non-ambulatory 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 and pruritus.
At higher doses, codeine has most of the disadvantages of morphine including respiratory depression.
DRUG ABUSE AND DEPENDENCE
TYLENOL with Codeine tablets (acetaminophen and codeine phosphate tablets) are a Schedule III controlled substance.
TYLENOL with Codeine elixir (acetaminophen and codeine phosphate oral solution USP) is a Schedule V controlled substance.
Codeine can produce drug dependence of the morphine type and, therefore, has the potential for being abused. Psychic dependence, physical dependence and tolerance may develop upon repeated administration of this drug, and it should be prescribed and administered with the same degree of caution appropriate to the use of other oral narcotic-containing medications.
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