Butalbital

From Wikipedia, the free encyclopedia

(Redirected from Phrenilin)
Jump to: navigation, search
Butalbital
Systematic (IUPAC) name
5-(2-methylpropyl)-5-(2-propenyl)-
2,4,6(1
H,3H,5H)-pyrimidinetrione
Identifiers
CAS number 77-26-9
ATC code  ?
PubChem 2481
DrugBank APRD00266
Chemical data
Formula C11H16N2O3 
Mol. mass 224.256
Pharmacokinetic data
Bioavailability well absorbed
Metabolism hepatic
Half life 35 hours
Excretion  ?
Therapeutic considerations
Pregnancy cat.

D(US)

Legal status

Schedule III(US)

Routes oral

Butalbital, 5-allyl-5-isobutylbarbituric acid, is a barbiturate with an intermediate duration of action. It has the same chemical formula as talbutal but a different structure. Butalbital is often combined with other medications, such as acetaminophen or aspirin, and is commonly prescribed for the treatment of pain and headache. The various formulations combined with codeine are FDA approved for the treatment of tension headaches.

Combinations include:

Fioricet (50/40/325)
Fioricet (50/40/325)

Side effects for any drug are difficult to predict, but commonly reported side effects for butalbital include:

There are other potential side effects; this list should not be considered all-inclusive.

Butalbital is a physically and psychologically addictive barbiturate. Butalbital should not be mixed with alcohol due to increased risk of intoxication.

There are other potential risks; this list should not be considered all-inclusive.

Butalbital. On-line Medical Dictionary. Retrieved on June 26, 2005.

Butalbital and Acetaminophen (Systemic). MedicinePlus Drug Information. Retrieved on December 31, 2006.

Controlled Substances in Schedule III. Drug Enforcement Administration (2007). Retrieved on 2007-01-13.

Advanced Search
Included Web Search Engines


Safe Search

close

Top Matching Results

Occasionally Search.com will highlight specialized results that are based on the context of your query. Examples of specialized results include specific links to news, images, or video.

Top Matching Results may highlight information from other Search.com pages, content from the CNET Network of sites, or third party content. The listings are based purely on relevance. Search.com does not receive payment for listings in this section but our partners that provide this data may get paid for listing these products.

Sponsored Links

This section contains paid listings which have been purchased by companies that want to have their sites appear for specific search terms and related content. These listings are administered, sorted and maintained by a third party and are not endorsed by Search.com.

Search Results

Search.com sends your search query to several search engines at one time and integrates the results into one list which has been sorted by relevance using Search.com's proprietary algorithm. You can customize the list of search engines included in your metasearch from the preferences.

The search engines that are used in your metasearch may allow companies to pay to have their Web sites included within the results. To view the Paid Inclusion policy for a specific search engine, please visit their Web site. Search.com does not accept payment or share revenue with any search engine partner for listings in this section.