FDA records indicate that there are no current recalls for this drug.
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Questions & Answers
Side Effects & Adverse Reactions
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 BUPAP Tablets immediately and seek medical care if they experience these symptoms. Do not prescribe BUPAP Tablets for patients with acetaminophen allergy.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
BUPAP Tablets 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 habitforming and potentially abusable.
History
There is currently no drug history available for this drug.
Other Information
Each BUPAP Tablet for oral administration, contains Butalbital, USP 50 mg, Acetaminophen, USP 300 mg.
In addition each BUPAP Tablet contains the following inactive ingredients: Pregelatinized Starch, Microcrystalline Cellulose, Croscarmellose Sodium, Magnesium Stearate, D&C Yellow #10 Lake, and FD&C Red #40 Lake.
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:
C11H16N2O3 M.W. =224.26
C11H16N2O3 M.W. =224.26
Acetaminophen (4'-hydroxyacetanilide), a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula:
C8H9NO2 M.W. =151.16
C8H9NO2 M.W. =151.16
Sources
Bupap Manufacturers
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Ecr Pharmaceuticals
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