ASCOMP with CODEINE is contraindicated in patients with known or suspected gastrointestinal obstruction, including paralytic ileus.
The codeine in ASCOMP with CODEINE may cause spasm of the sphincter of Oddi. Opioids may cause increases in serum amylase. Monitor patients with biliary tract disease, including acute pancreatitis for worsening symptoms.
Patients with a history of active peptic ulcer disease should avoid using aspirin, which can cause gastric mucosal irritation and bleeding.
The aspirin in ASCOMP with CODEINE can cause GI side effects including stomach pain, heartburn, nausea, vomiting, and gross GI bleeding. Although minor upper GI symptoms, such as dyspepsia, are common and can occur anytime during therapy, physicians should remain alert for signs of ulceration and bleeding, even in the absence of previous GI symptoms. Physicians should inform patients about the signs and symptoms of GI side effects and what steps to take if they occur.
The codeine in ASCOMP with CODEINE may increase the frequency of seizures in patients with seizure disorders and may increase the risk of seizures occurring in other clinical settings associated with seizures. Monitor patients with a history of seizure disorders for worsened seizure control during ASCOMP with CODEINE therapy.
Do not abruptly discontinue ASCOMP with Codeine in a patient physically dependent on opioids. Rapid tapering of butalbital, aspirin, caffeine, and codeine phosphate capsules in a patient physically dependent on opioids may lead to a withdrawal syndrome and return of pain [see Dosage and Administration (2.3), Drug Abuse and Dependence (9.3)].
Additionally, avoid the use of mixed agonist/antagonist (e.g., pentazocine, nalbuphine, and butorphanol) or partial agonist (e.g., buprenorphine) analgesics in patients who are receiving a full opioid agonist analgesic, including ASCOMP with CODEINE. In these patients, mixed agonist/antagonist and partial agonist analgesics may reduce the analgesic effect and/or precipitate withdrawal symptoms. [see Drug Interactions (7)].
When discontinuing ASCOMP with CODEINE in a physically-dependent patient, gradually taper the dosage [see Dosage and Administration (2.3)]. Abrupt discontinuation of butalbital can cause seizures [see Drug Abuse and Dependence ( 9.3)].
ASCOMP with CODEINE may impair the mental or physical abilities needed to perform potentially hazardous activities such as driving a car or operating machinery. Warn patients not to drive or operate dangerous machinery unless they are tolerant to the effects of ASCOMP with CODEINE and know how they will react to the medication.
Even low doses of aspirin can inhibit platelet function leading to an increase in bleeding time. This can adversely affect patients with inherited (i.e. hemophilia) or acquired (i.e. liver disease or vitamin K deficiency) bleeding disorders. Aspirin is contraindicated in patients with hemophilia.
Aspirin administered pre-operatively may prolong the bleeding time.
Patients who consume three or more alcoholic drinks every day should be counseled about the bleeding risks involved with chronic, heavy alcohol use while taking aspirin.
Aspirin should not be used in children or teenagers for viral infections, with or without fever, because of the risk of Reye syndrome with concomitant use of aspirin in certain viral illnesses.
Aspirin is contraindicated in patients with known allergy to nonsteroidal anti-inflammatory drug products (NSAIDs) and in patients with the syndrome of asthma, rhinitis, and nasal polyps. Aspirin may cause severe urticaria, angioedema, or bronchospasm (asthma).
Aspirin: Aspirin may interfere with the following laboratory determinations in blood: serum amylase, fasting blood glucose, cholesterol, protein, serum glutamic-oxalacetic transaminase (SGOT), uric acid, prothrombin time and bleeding time. Aspirin may interfere with the following laboratory determinations in urine: glucose, 5-hydroxy-indoleacetic acid, Gerhardt ketone, vanillylmandelic acid (VMA), uric acid, diacetic acid, and spectrophotometric detection of barbiturates.
Codeine: Codeine may increase serum amylase levels.
The following serious adverse reactions are described, or described in greater detail, in other sections:
- Addiction, Abuse, and Misuse [see Warnings and Precautions (5.1)]
- Life-Threatening Respiratory Depression [see Warnings and Precautions (5.3)]
- Interactions with Benzodiazepines or Other CNS Depressants [see Warnings and Precautions (5.4)
- Ultra-Rapid Metabolism of Codeine and Other Risk Factors for Life-Threatening Respiratory Depression in Children [see Warnings and Precautions (5.5)]
- Neonatal Opioid Withdrawal Syndrome [see Warnings and Precautions (5.6)]
- Adrenal Insufficiency [see Warnings and Precautions (5.10)]
- Severe Hypotension [see Warnings and Precautions (5.11)]
- Gastrointestinal Adverse Reactions [see Warnings and Precautions (5.13)]
- Seizures [see Warnings and Precautions (5.14)]
- Withdrawal [see Warnings and Precautions (5.15)]
- Coagulation Abnormalities and Bleeding [see Warnings and Precautions (5.17)]
- Reye’s Syndrome [see Warnings and Precautions (5.18)]
- Allergy [see Warnings and Precautions (5.19)]
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Incidence in Controlled Clinical Trials:
The following table summarizes the incidence rates of the adverse events reported by at least 1% of the Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules treated patients in controlled clinical trials comparing Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules to placebo, and provides a comparison to the incidence rates reported by the placebo-treated patients.
The prescriber should be aware that these figures cannot be used to predict the incidence of side effects in the course of usual medical practice where patient characteristics and other factors differ from those that prevailed in the clinical trials. Similarly, the cited frequencies cannot be compared with figures obtained from other clinical investigations involving different treatments, uses, and investigators.
Adverse Events Reported by at Least 1% of Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules Treated Patients During Placebo Controlled Clinical Trials
Incidence Rate of Adverse Events
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Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules (N=382)
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Other Adverse Events Reported During Controlled Clinical Trials
The listing that follows represents the proportion of the 382 patients exposed to Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules while participating in the controlled clinical trials who reported, on at least one occasion, an adverse event of the type cited. All reported adverse events, except those already presented in the previous table, are included. It is important to emphasize that, although the adverse events reported did occur while the patient was receiving Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules, the adverse events were not necessarily caused by Butalbital, Aspirin, Caffeine, and Codeine Phosphate, USP Capsules.
Adverse events are classified by body system and frequency. “Frequent” is defined as an adverse event which occurred in at least 1/100 (1%) of the patients; all adverse events listed in the previous table are frequent. “Infrequent” is defined as an adverse event that occurred in less than 1/100 patients but at least 1/1000 patients. All adverse events tabulated below are classified as infrequent.
Central Nervous: headache, shaky feeling, tingling, agitation, fainting, fatigue, heavy eyelids, high energy, hot spells, numbness, and sluggishness.
Autonomic Nervous: dry mouth and hyperhidrosis.
Gastrointestinal: vomiting, difficulty swallowing, and heartburn.
Musculoskeletal: leg pain and muscle fatigue.
Miscellaneous: pruritus, fever, earache, nasal congestion, and tinnitus.
The following adverse drug reactions have been reported with the components of ASCOMP with CODEINE.
Potential effects of high dosage are listed in the [see Overdosage (10)] section of this insert.
Aspirin: occult blood loss, hemolytic anemia, iron deficiency anemia, gastric distress, heartburn, nausea, peptic ulcer, prolonged bleeding time, acute airway obstruction, renal toxicity when taken in high doses for prolonged periods, impaired urate excretion, hepatitis.
Caffeine: cardiac stimulation, irritability, tremor, dependence, nephrotoxicity, hyperglycemia.
Codeine: nausea, vomiting, drowsiness, lightheadedness, constipation, pruritus.
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