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warnings
WARNINGS Respiratory Depression: At high doses or in sensitive patients, hydrocodone may produce dose-related respiratory depression by acting directly on the brain stem respiratory center. Hydrocodone also affects the center that controls respiratory rhythm, and may produce irregular and periodic breathing. Head Injury and Increased Intracranial Pressure: The respiratory depressant effects of narcotics and their capacity to elevate cerebrospinal fluid pressure may be markedly exaggerated in the presence of head injury, other intracranial lesions or a preexisting increase in intracranial pressure. Furthermore, narcotics produce adverse reactions which may obscure the clinical course of patients with head injuries. Acute Abdominal Conditions: The administration of narcotics may obscure the diagnosis or clinical course of patients with acute abdominal conditions. Misuse, Abuse, and Diversion of Opioids Lorcet ® 10/650 tablets contain hydrocodone, an opioid agonist, and are a Schedule III controlled substance. Opioid agonists have the potential for being abused and are sought by abusers and people with addiction disorders, and are subject to diversion. Lorcet ® 10/650 can be abused in a manner similar to other opioid agonists, legal or illicit. This should be considered when prescribing or dispensing Lorcet ® 10/650 in situations where the physician or pharmacist is concerned about an increased risk of misuse, abuse or diversion (see DRUG ABUSE ANDDEPENDENCE ).
ADVERSE REACTIONS The most frequently reported adverse reactions include lightheadedness, dizziness, sedation, 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: Central Nervous System: Drowsiness, mental clouding, lethargy, impairment of mental and physical performance, anxiety, fear, dysphoria, psychic dependence, mood changes. Gastrointestinal System: Prolonged administration of Lorcet ® 10/650 may produce constipation. Genitourinary System: Ureteral spasm, spasm of vesical sphincters and urinary retention have been reported with opiates. Respiratory Depression: Hydrocodone bitartrate may produce dose-related respiratory depression by acting directly on the brain stem respiratory centers. (see OVERDOSAGE). Special Senses: Cases of hearing impairment or permanent loss have been reported predominantly in patients with chronic overdose. Dermatological: Skin rash, pruritus. The following adverse drug events may be borne in mind as potential effects of acetaminophen: allergic reactions, rash, thrombocytopenia, agranulocytosis. Potential effects of high dosage are listed in the OVERDOSAGE section.