BUTALBITAL, ACETAMINOPHEN AND CAFFEINE capsule
BUTALBITAL, ACETAMINOPHEN AND CAFFEINE by
Drug Labeling and Warnings
BUTALBITAL, ACETAMINOPHEN AND CAFFEINE by is a Prescription medication manufactured, distributed, or labeled by Seton Pharmaceuticals LLC. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
- WARNING
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BOXED WARNING
(What is this?)
ACETAMINOPHEN HAS BEEN ASSOCIATED WITH CASES OF ACUTE LIVER FAILURE, AT TIMES RESULTING IN LIVER TRANSPLANT AND DEATH. MOST OF THE CASES OF LIVER INJURY ARE ASSOCIATED WITH THE USE OF ACETAMINOPHEN AT DOSES THAT EXCEED 4000 MILLIGRAMS PER DAY, AND OFTEN INVOLVE MORE THAN ONE ACETAMINOPHEN-CONTAINING PRODUCT.
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DESCRIPTION
Butalbital, acetaminophen and caffeine are supplied in capsule form for oral administration.
Each 50 mg/325 mg/40 mg capsule contains:
Butalbital ................... 50 mg
Warning: May be habit-forming.
Acetaminophen ........ 325 mg
Caffeine ...................... 40 mg
Each 50 mg/300 mg/40 mg capsule contains:
Butalbital ................... 50 mg
Warning: May be habit-forming.
Acetaminophen ........ 300 mg
Caffeine ...................... 40 mg
In addition, each capsule contains the following inactive ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Colloidal Silicon Dioxide, Magnesium Stearate, Pregelatinized starch, Povidone, Crospovidone, Stearic Acid with 50 mg/325 mg/40 mg capsule shell composed of gelatin and titanium dioxide and 50 mg/300 mg/40 mg capsule shell composed of gelatin, titanium dioxide, FD&C Yellow 6, FD&C blue 1 and FD&C Red 40. Imprinting ink composed of Black Iron Oxide, Butyl Alcohol, Dehydrated Alcohol, Isopropyl Alcohol, Potassium Hydroxide, Propylene Glycol, Shellac and Strong Ammonia Solution.
Butalbital (5-allyl-5-isobutylbarbituric acid), a slightly bitter, white, odorless, crystalline powder, is a short to intermediate-acting barbiturate. It has the following structural formula:
MW = 224.26
Acetaminophen (4'-hydroxyacetanilide), a slightly bitter, white, odorless, crystalline powder, is a nonopiate, non-salicylate analgesic and antipyretic. It has the following structural formula:
MW = 151.16
Caffeine (1,3,7-trimethylxanthine), a bitter, white powder or white-glistening needles, is a central nervous system stimulant. It has the following structural formula:
MW = 194.19
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CLINICAL PHARMACOLOGY
This combination drug product is intended as a treatment for tension headache.
It consists of a fixed combination of butalbital, acetaminophen and caffeine. The role each component plays in the relief of the complex of symptoms known as tension headache is incompletely understood.
Pharmacokinetics
The behavior of the individual components is described below.
Butalbital
Butalbital is well absorbed from the gastrointestinal tract and is expected to distribute to most tissues in the body. Barbiturates in general may appear in breast milk and readily cross the placental barrier. They are bound to plasma and tissue proteins to a varying degree and binding increases directly as a function of lipid solubility.
Elimination of butalbital is primarily via the kidney (59% to 88% of the dose) as unchanged drug or metabolites. The plasma half-life is about 35 hours. Urinary excretion products include parent drug (about 3.6% of the dose), 5 isobutyl-5-(2,3-dihydroxypropyl) barbituric acid (about 24% of the dose), 5 allyl-5(3-hydroxy-2-methyl-1-propyl) barbituric acid (about 4.8% of the dose), products with the barbituric acid ring hydrolyzed with excretion of urea (about 14% of the dose), as well as unidentified materials. Of the material excreted in the urine, 32% is conjugated.
The in vitro plasma protein binding of butalbital is 45% over the concentration range of 0.5 to 20 mcg/mL. This falls within the range of plasma protein binding (20% to 45%) reported with other barbiturates such as phenobarbital, pentobarbital, and secobarbital sodium. The plasma-to-blood concentration ratio was almost unity, indicating that there is no preferential distribution of butalbital into either plasma or blood cells. "(See OVERDOSAGE for toxicity information)".
Acetaminophen
Acetaminophen is rapidly absorbed from the gastrointestinal tract and is distributed throughout most body tissues. The plasma half-life is 1.25 to 3 hours, but may be increased by liver damage and following overdosage. Elimination of acetaminophen is principally by liver metabolism (conjugation) and subsequent renal excretion of metabolites. Approximately 85% of an oral dose appears in the urine within 24 hours of administration, most as the glucuronide conjugate, with small amounts of other conjugates and unchanged drug. "(See OVERDOSAGE for toxicity information)".
Caffeine
Like most xanthines, caffeine is rapidly absorbed and distributed in all body tissues and fluids, including the CNS, fetal tissues, and breast milk.
Caffeine is cleared through metabolism and excretion in the urine. The plasma half-life is about 3 hours. Hepatic biotransformation prior to excretion, results in about equal amounts of 1-methylxanthine and 1-methyluric acid. Of the 70% of the dose that is recovered in the urine, only 3% is unchanged drug. "(See OVERDOSAGE for toxicity information)".
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INDICATIONS AND USAGE
Butalbital, acetaminophen and caffeine capsules are indicated for the relief of the symptom complex of tension (or muscle contraction) headache.
Evidence supporting the efficacy and safety of this combination product in the treatment of multiple recurrent headaches is unavailable. Caution in this regard is required because butalbital is habit-forming and potentially abusable.
- CONTRAINDICATIONS
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WARNINGS
Butalbital is habit-forming and potentially abusable. Consequently, the extended use of this product is not recommended.
Hepatotoxicity
Acetaminophen has been associated with cases of acute liver failure, at times resulting in liver transplant and death. Most of the cases of liver injury are associated with the use of acetaminophen at doses that exceed 4000 milligrams per day, and often involve more than one acetaminophen-containing product. The excessive intake of acetaminophen may be intentional to cause self-harm or unintentional as patients attempt to obtain more pain relief or unknowingly take other acetaminophen-containing products.
The risk of acute liver failure is higher in individuals with underlying liver disease and in individuals who ingest alcohol while taking acetaminophen.
Instruct patients to look for acetaminophen or APAP on package labels and not to use more than one product that contains acetaminophen. Instruct patients to seek medical attention immediately upon ingestion of more than 4000 milligrams of acetaminophen per day, even if they feel well.
Serious Skin Reactions
Rarely, acetaminophen may cause serious skin reactions such as acute generalized exanthematous pustulosis (AGEP), Stevens-Johnson Syndrome (SJS), and toxic epidermal necrolysis (TEN), which can be fatal. Patients should be informed about the signs of serious skin reactions, and use of the drug should be discontinued at the first appearance of skin rash or any other sign of hypersensitivity.
Hypersensitivity/anaphylaxis
There have been post-marketing reports of hypersensitivity and anaphylaxis associated with use of acetaminophen. Clinical signs included swelling of the face, mouth, and throat, respiratory distress, urticaria, rash, pruritus, and vomiting. There were infrequent reports of life-threatening anaphylaxis requiring emergency medical attention. Instruct patients to discontinue butalbital, acetaminophen and caffeine capsules immediately and seek medical care if they experience these symptoms. Do not prescribe butalbital, acetaminophen and caffeine capsules, USP for patients with acetaminophen allergy.
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PRECAUTIONS
Butalbital, acetaminophen and caffeine capsules should be prescribed with caution in certain special-risk patients, such as the elderly or debilitated, and those with severe impairment of renal or hepatic function, or acute abdominal conditions.
Information for Patients /Caregivers
- Do not take butalbital, acetaminophen and caffeine capsules if you are allergic to any of its ingredients.
- If you develop signs of allergy such as a rash or difficulty breathing, stop taking butalbital, acetaminophen and caffeine capsules and contact your healthcare provider immediately.
- Do not take more than 4000 milligrams of acetaminophen per day. Call your doctor if you took more than the recommended dose.
This product may impair mental and/or physical abilities required for the performance of potentially hazardous tasks such as driving a car or operating machinery. Such tasks should be avoided while taking this product.
Alcohol and other CNS depressants may produce an additive CNS depression, when taken with this combination product, and should be avoided.
Butalbital may be habit-forming. Patients should take the drug only for as long as it is prescribed, in the amounts prescribed, and no more frequently than prescribed.
Laboratory Tests
In patients with severe hepatic or renal disease, effects of therapy should be monitored with serial liver and/or renal function tests.
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DRUG INTERACTIONS
The CNS effects of butalbital may be enhanced by monoamine oxidase (MAO) inhibitors.
Butalbital, acetaminophen and caffeine may enhance the effects of: other narcotic analgesics, alcohol, general anesthetics, tranquilizers such as chlordiazepoxide, sedative-hypnotics, or other CNS depressants, causing increased CNS depression.
Drug/Laboratory Test Interactions
Acetaminophen may produce false-positive test results for urinary 5-hydroxyindoleacetic acid.
Carcinogenesis , Mutagenesis , Impairment of Fertility
No adequate studies have been conducted in animals to determine whether acetaminophen or butalbital have a potential for carcinogenesis, mutagenesis or impairment of fertility.
Pregnancy
Teratogenic Effects: Animal reproduction studies have not been conducted with this combination product. It is also not known whether butalbital, acetaminophen and caffeine can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. This product should be given to a pregnant woman only when clearly needed.
Nonteratogenic Effects: Withdrawal seizures were reported in a two-day-old male infant whose mother had taken a butalbital-containing drug during the last two months of pregnancy. Butalbital was found in the infant's serum. The infant was given phenobarbital 5 mg/kg, which was tapered without further seizure or other withdrawal symptoms.
Nursing Mothers
Caffeine, barbiturates and acetaminophen are excreted in breast milk in small amounts, but the significance of their effects on nursing infants is not known. Because of potential for serious adverse reactions in nursing infants from butalbital, acetaminophen and caffeine, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
Pediatric Use
Safety and effectiveness in pediatric patients below the age of 12 have not been established.
Geriatric Use
Clinical studies of butalbital, acetaminophen and caffeine capsules did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.
Butalbital is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.
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ADVERSE REACTIONS
Frequently Observed: The most frequently reported adverse reactions are drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea, vomiting, abdominal pain, and intoxicated feeling.
Infrequently Observed: All adverse events tabulated below are classified as infrequent.
Central Nervous System: headache, shaky feeling, tingling, agitation, fainting, fatigue, heavy eyelids, high energy, hot spells, numbness, sluggishness, seizure. Mental confusion excitement or depression can also occur due to intolerance, particularly in elderly or debilitated patients, or due to overdosage of butalbital.
Autonomic Nervous System: dry mouth, hyperhidrosis.
Gastrointestinal: difficulty swallowing, heartburn, flatulence, constipation.
Cardiovascular: tachycardia.
Musculoskeletal: leg pain, muscle fatigue.
Genitourinary: diuresis.
Miscellaneous: pruritus, fever, earache, nasal congestion, tinnitus, euphoria, allergic reactions.
Several cases of dermatological reactions, including toxic epidermal necrolysis and erythema multiforme, have been reported.
The following adverse drug events may be borne in mind as potential effects of the components of this product. Potential effects of high dosage are listed in the OVERDOSAGE section.
Acetaminophen: allergic reactions, rash, thrombocytopenia, agranulocytosis.
Caffeine: cardiac stimulation, irritability, tremor, dependence, nephrotoxicity, hyperglycemia.
To report SUSPECTED ADVERSE EVENTS, contact Seton Pharmaceuticals at 1-800-510-3401 or www.setonpharmaceuticals.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
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DRUG ABUSE AND DEPENDENCE
Butalbital
Barbiturates may be habit-forming: Tolerance, psychological dependence, and physical dependence may occur especially following prolonged use of high doses of barbiturates. The average daily dose for the barbiturate addict is usually about 1500 mg. As tolerance to barbiturates develops, the amount needed to maintain the same level of intoxication increases; tolerance to a fatal dosage, however, does not increase more than two-fold. As this occurs, the margin between an intoxication dosage and fatal dosage becomes smaller. The lethal dose of a barbiturate is far less if alcohol is also ingested. Major withdrawal symptoms (convulsions and delirium) may occur within 16 hours and last up to 5 days after abrupt cessation of these drugs. Intensity of withdrawal symptoms gradually declines over a period of approximately 15 days. Treatment of barbiturate dependence consists of cautious and gradual withdrawal of the drug. Barbiturate-dependent patients can be withdrawn by using a number of different withdrawal regimens. One method involves initiating treatment at the patient's regular dosage level and gradually decreasing the daily dosage as tolerated by the patient.
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OVERDOSAGE
Following an acute overdosage of butalbital, acetaminophen and caffeine, toxicity may result from the barbiturate or the acetaminophen. Toxicity due to caffeine is less likely, due to the relatively small amounts in this formulation.
Signs and Symptoms
Toxicity from barbiturate poisoning includes drowsiness, confusion, and coma; respiratory depression; hypotension; and hypovolemic shock.
In acetaminophen overdosage: dose-dependent, potentially fatal hepatic necrosis is the most serious adverse effect. Renal tubular necroses, hypoglycemic coma and coagulation defects may also occur. Early symptoms following a potentially hepatotoxic overdose may include: nausea, vomiting, diaphoresis and general malaise. Clinical and laboratory evidence of hepatic toxicity may not be apparent until 48 to 72 hours post-ingestion.
Acute caffeine poisoning may cause insomnia, restlessness, tremor, delirium, tachycardia and extrasystoles.
Treatment
A single or multiple drug overdose with this combination product is a potentially lethal polydrug overdose, and consultation with a regional poison control center is recommended. Immediate treatment includes support of cardiorespiratory function and measures to reduce drug absorption.
Oxygen, intravenous fluids, vasopressors, and other supportive measures should be employed as indicated. Assisted or controlled ventilation should also be considered.
Gastric decontamination with activated charcoal should be administered just prior to N-acetylcysteine (NAC) to decrease systemic absorption if acetaminophen ingestion is known or suspected to have occurred within a few hours of presentation. Serum acetaminophen levels should be obtained immediately if the patient presents 4 hours or more after ingestion to assess potential risk of hepatotoxicity; acetaminophen levels drawn less than 4 hours post-ingestion may be misleading. To obtain the best possible outcome, NAC should be administered as soon as possible where impending or evolving liver injury is suspected. Intravenous NAC may be administered when circumstances preclude oral administration.
Vigorous Supportive therapy is required in severe intoxication. Procedures to limit the continuing absorption of the drug must be readily performed since the hepatic injury is dose dependent and occurs early in the course of intoxication.
- DOSAGE AND ADMINISTRATION
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HOW SUPPLIED
Butalbital, acetaminophen and caffeine capsules, USP containing butalbital 50 mg (Warning: May be habit-forming), acetaminophen 325 mg and caffeine 40 mg, are supplied as White to off-white powder filled in a hard gelatin capsule with a white opaque cap and body, imprinted with "A30" on cap and body in black ink.
They are available as:
Bottles of 100 with child-resistant closure: NDC: 13925-536-01
Butalbital, acetaminophen and caffeine capsules, USP containing butalbital 50 mg (Warning: May be habit-forming), acetaminophen 300 mg and caffeine 40 mg, are supplied as White to off-white powder filled in a hard gelatin capsule with a Light Blue opaque cap and body, imprinted with "A3l" on cap and body in black ink.
They are available as:
Bottles of 100 with child-resistant closure: NDC: 13925-535-01
Storage
Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
Dispense in a tight, light-resistant container with a child-resistant closure.
Rx only
Manufactured by:
Aavis Pharmaceuticals,
Hoschton, GA 30548
Marketed by:
Seton Pharmaceuticals LLC
Wall, NJ 07719 USA
1-800-510-3401
Code. L7042/01
Rev. 05/2022
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PACKAGE LABEL.PRINCIPAL DISPLAY PANEL
NDC: 13925-536-01
Butalbital, Acetaminophen and Caffeine Capsules, USP
50 mg/ 325 mg / 40 mg
Rx only
100 capsules
SETON PHARMACEUTICALS
NDC: 13925-535-01
Butalbital, Acetaminophen and Caffeine Capsules, USP
50 mg/ 300 mg / 40 mg
Rx only
100 capsules
SETON PHARMACEUTICALS
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INGREDIENTS AND APPEARANCE
BUTALBITAL, ACETAMINOPHEN AND CAFFEINE
butalbital, acetaminophen and caffeine capsuleProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 13925-536 Route of Administration ORAL DEA Schedule CIII Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength BUTALBITAL (UNII: KHS0AZ4JVK) (BUTALBITAL - UNII:KHS0AZ4JVK) BUTALBITAL 50 mg ACETAMINOPHEN (UNII: 362O9ITL9D) (ACETAMINOPHEN - UNII:362O9ITL9D) ACETAMINOPHEN 325 mg CAFFEINE (UNII: 3G6A5W338E) (CAFFEINE - UNII:3G6A5W338E) CAFFEINE 40 mg Inactive Ingredients Ingredient Name Strength CELLULOSE, MICROCRYSTALLINE (UNII: OP1R32D61U) CROSCARMELLOSE SODIUM (UNII: M28OL1HH48) SILICON DIOXIDE (UNII: ETJ7Z6XBU4) MAGNESIUM STEARATE (UNII: 70097M6I30) STARCH, CORN (UNII: O8232NY3SJ) POVIDONE (UNII: FZ989GH94E) CROSPOVIDONE (UNII: 2S7830E561) STEARIC ACID (UNII: 4ELV7Z65AP) TITANIUM DIOXIDE (UNII: 15FIX9V2JP) GELATIN (UNII: 2G86QN327L) FERROSOFERRIC OXIDE (UNII: XM0M87F357) ALCOHOL (UNII: 3K9958V90M) ISOPROPYL ALCOHOL (UNII: ND2M416302) BUTYL ALCOHOL (UNII: 8PJ61P6TS3) PROPYLENE GLYCOL (UNII: 6DC9Q167V3) SHELLAC (UNII: 46N107B71O) AMMONIA (UNII: 5138Q19F1X) POTASSIUM HYDROXIDE (UNII: WZH3C48M4T) Product Characteristics Color WHITE (White opaque cap and body) Score no score Shape CAPSULE Size 21mm Flavor Imprint Code A30 Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 13925-536-01 100 in 1 BOTTLE; Type 0: Not a Combination Product 03/02/2022 Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA214087 03/02/2022 BUTALBITAL, ACETAMINOPHEN AND CAFFEINE
butalbital, acetaminophen and caffeine capsuleProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 13925-535 Route of Administration ORAL DEA Schedule CIII Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength BUTALBITAL (UNII: KHS0AZ4JVK) (BUTALBITAL - UNII:KHS0AZ4JVK) BUTALBITAL 50 mg ACETAMINOPHEN (UNII: 362O9ITL9D) (ACETAMINOPHEN - UNII:362O9ITL9D) ACETAMINOPHEN 300 mg CAFFEINE (UNII: 3G6A5W338E) (CAFFEINE - UNII:3G6A5W338E) CAFFEINE 40 mg Inactive Ingredients Ingredient Name Strength CELLULOSE, MICROCRYSTALLINE (UNII: OP1R32D61U) CROSCARMELLOSE SODIUM (UNII: M28OL1HH48) SILICON DIOXIDE (UNII: ETJ7Z6XBU4) MAGNESIUM STEARATE (UNII: 70097M6I30) STARCH, CORN (UNII: O8232NY3SJ) POVIDONE (UNII: FZ989GH94E) CROSPOVIDONE (UNII: 2S7830E561) STEARIC ACID (UNII: 4ELV7Z65AP) TITANIUM DIOXIDE (UNII: 15FIX9V2JP) GELATIN (UNII: 2G86QN327L) FERROSOFERRIC OXIDE (UNII: XM0M87F357) ALCOHOL (UNII: 3K9958V90M) ISOPROPYL ALCOHOL (UNII: ND2M416302) BUTYL ALCOHOL (UNII: 8PJ61P6TS3) PROPYLENE GLYCOL (UNII: 6DC9Q167V3) SHELLAC (UNII: 46N107B71O) AMMONIA (UNII: 5138Q19F1X) POTASSIUM HYDROXIDE (UNII: WZH3C48M4T) FD&C YELLOW NO. 6 (UNII: H77VEI93A8) FD&C BLUE NO. 1 (UNII: H3R47K3TBD) FD&C RED NO. 40 (UNII: WZB9127XOA) Product Characteristics Color BLUE (Light blue opaque cap and body) Score no score Shape CAPSULE Size 21mm Flavor Imprint Code A31 Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 13925-535-01 100 in 1 BOTTLE; Type 0: Not a Combination Product 03/02/2022 Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA214087 03/02/2022 Labeler - Seton Pharmaceuticals LLC (828898002) Registrant - Seton Pharmaceuticals LLC (828898002)
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