Celexa (Citalopram) is used for treating depression.

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Hydrocodone or dihydrocodeinone is a semi-man-made opioid derived from two of the naturally occurring opiates codeine and thebaine . Hydrocodone is an orally sprightly narcotic analgesic and antitussive. It is commonly available in tablet, capsule, and syrup raise, and is often compounded with other analgesics like paracetamol or ibuprofen. It is marketed, in its varying forms, second to a number of trademarks, including Vicodin , Symtan, Anexsia , Dicodid , Hycodan (or generically Hydromet ), Hycomine , Hycet , Lorcet , Lortab , Norco , Novahistex , Hydrovo , Duodin , Kolikodol , Orthoxycol , Mercodinone , Synkonin , Norgan , and Hydrokon . Hydrocodone was original synthesized in Germany in 1920 and was approved by the FDA on 23 March 1943 for sale in the Harmonious States under the brand name Hycodan.

The particular niche in which hydrocodone is most commonly hardened is as an intermediate-strength centrally acting analgesic and strong cough suppressant, extraordinarily in those for whom histamine release and attendant itching from codeine is a ungovernable. For the latter indication, at the 5- to 10-mg dose range, hydrocodone is more substantial than most cough suppressants, being roughly equal to its derivative Dihydrocodeinone enol acetate, with the top of the laundry list being hydromorphone (Dilaudid Cough Syrup) and methadone (Methadone linctus, upon 33 percent the concentration of the liquid used for opioid physical dependence sustention or detoxification).

Overview

As a narcotic, hydrocodone relieves pain by binding to opioid receptors in the understanding and spinal cord. It can be taken with or without food as desired. When captivated with alcohol, it can intensify drowsiness. It may interact with monoamine oxidase inhibitors, as doubtlessly as other drugs that cause drowsiness. It is in FDA pregnancy category C: Organism reproduction studies have shown an adverse effect on the fetus, and there are no fair and well-controlled studies in humans, but potential benefits may warrant use of the drug in parturient women despite potential risks. In addition, a newborn of a mother taking the medication may reveal breathing problems or withdrawal symptoms.

Common side effects include dizziness, lightheadedness, nausea, drowsiness, constipation, vomiting, and euphoria. Vomiting in some patients is so dictatorial that hospitalization is required. Some less common side effects are allergic effect, blood disorders, changes in mood, mental fogginess, anxiety, lethargy, tribulation urinating, spasm of the ureter, irregular or depressed respiration, and rash.

Studies induce shown hydrocodone as stronger than codeine but only one-tenth as potent as morphine at binding to receptors, whereas pitilessly half as potent as morphine in analgesic properties. However other studies tease shown hydrocodone to be anywhere from equally as potent to oxycodone (1.5× the potency of morphine) to single 66.6~% the potency of oxycodone (equipotent to morphine). Hydrocodone can become habit-forming, which leads to medic and psychological addiction, but the potential for addiction varies from individual to individual depending on inimitable biological differences. Sales and production of this drug have increased significantly in just out years, as have diversion and illicit use. In the U.S., pure hydrocodone and forms containing more than 15 mg per dosage component are considered Schedule II drugs. Those containing less than or equal to 15 mg per dosage entity in combination with acetaminophen or another non-controlled drug are called hydrocodone compounds and are considered Dedicate III drugs. Hydrocodone is typically found in combination with other drugs such as paracetamol, aspirin, ibuprofen and homatropine methylbromide. The resolve of the non-controlled drugs in combination is often twofold: 1) To provide increased analgesia via sedate synergy. 2) To limit the intake of hydrocodone by causing unpleasant and often unsafe side effects at higher-than-prescribed doses (See Inferior). In the UK, it is listed as a Class A drug under the Misuse of Drugs Act 1971. Hydrocodone is not within reach in pure form in the United States due to a separate regulation, and is always sold with an NSAID, acetaminophen, antihistamine, expectorant, or homatropine. The cough preparation Codiclear DH is the purest US hydrocodone element, containing guaifenesin and small amounts of ethanol as active ingredients. In Germany and somewhere else, hydrocodone is available as single-active-ingredient tablets as Dicodid (by analogy to the original fabricator's other products Dilaudid and Dinarkon and others) available in 5- and 10-mg strengths.

As with profuse other opioids, it is quite possible to reduce the amount of hydrocodone needed to termination a certain level of pain by having the patient take the hydrocodone along with one of the medications with analgesic-niggardly properties, also known as potentiators. The most common, one of the most effective with hydrocodone, and safest is hydroxyzine. Orphenadrine, nefopam, carisoprodol, and antihistamines also potentiate most opioids. Strikingly in the case of carisoprodol, it is imperative that the titration and addition of the potentiator be done lower than drunk strict supervision of a physician.

Hydrocodone also interacts relatively well with most adjuvant and atypical analgesics utilized for severe and neuropathic pain such as first-generation anti-depressants, anticholinergics, anticonvulsants, centrally acting stimulants, NMDA antagonists, etc. Hydrocodone can mainly be successfully used with duloxetine (Cymbalta®) for neuropathic pain, remarkably that from diabetic neuropathy, provided that the patient has normal proportionate and absolute levels of Cytochrome P450-related liver enzymes.

Some of the effects of hydrocodone possess c visit from the fact that a fraction of it is changed to hydromorphone in the liver, as is the case with all codeine-based analgesics (codeine into morphine, dihydrocodeine into dihydromorphine, nicocodeine into nicomorphine etc.). The portion can vary based on both other medications taken and inherited metabolic quirks involving the Cytochrome P450 metabolic pathways — some cannot transform it at all, whereas a smaller percentage can get even more strength from it than wonted. These factors can also cause hydrocodone and related drugs to have a dawn effect, cause significant lengthening or shortening of the duration of effects in the absence of open-mindedness, and increase or decrease the de facto conversion ratio betwixt hydrocodone and other drugs like morphine, hydromorphone, and synthetics like levorphanol and methadone.

Overdosing risks

The deportment of acetaminophen in hydrocodone-containing products deters many drug users from fascinating excessive amounts. However, some users will get around this by extracting a distribute of the acetaminophen using cold water, taking advantage of the water-soluble component of the drug. It is not uncommon for addicts to have liver problems from consuming cloying amounts of acetaminophen over a long period of time; taking 10,000 to 15,000 milligrams (10 to 15 grams) of acetaminophen in a epoch of 24 hours typically results in severe hepatotoxicity, and doses in the range of 15,000–20,000 milligrams a day include been reported as fatal. It is this factor that leads many recreational users to use lone single-entity opiates such as oxycodone. One of the major problems today with the illicit use of hydrocodone, firstly in younger populations, is that users may not be aware that hydrocodone pills bridle acetaminophen. Consuming more than 4,000 milligrams of acetaminophen a day can cause liver invoice, jaundice, and even liver failure if the drug is being taken in narcotic impression seeking dosages for an extended period of time.

Daily consumption of hydrocodone should not outrun 40 milligrams in patients not tolerant to opiates. However, the 2006 PDR ( Physicians Desk Remark ) clearly states that Norco 10, containing 10 milligrams of hydrocodone and 325 milligrams of APAP (viz., acetaminophen or paracetamol), can be charmed at a dosage of up to twelve tablets per day (120 milligrams of hydrocodone). Such high amounts of hydrocodone are just intended for opiate-tolerant patients, and titration to such levels must be monitored absolutely carefully. This restriction is only limited by the fact that twelve tablets, each containing 325 milligrams of APAP, puts the submissive right below the 24-hour FDA maximum of 4,000 mg of APAP. Some particularly compounded products are routinely given to chronic pain patients in doses of up to 180 mg of hydrocodone per day. Symptoms of hydrocodone overdosage involve respiratory depression, extreme somnolence, coma, stupor, cold and/or clammy husk, sometimes bradycardia, and hypotension. A severe overdose may involve circulatory collapse cardiac bust and/or death. Mixing hydrocodone with alcohol, cocaine, amphetamines, methylphenidate, benzodiazapines, barbiturates, and a slew of other medication can have severe adverse reactions including but not limited to generosity failure, heart attack, respiratory distress, pulmonary failure, liver or kidney lemon, jaundice, amnesia, seizures, blackouts, and coma. Mixing acetaminophen with other NSAID analgesics like sulindac can ground serious damage to organs.

Hydrocodone in particular, and the -codone family of opioids in non-specialized, have been shown to have a liability to cause long term hearing defeat over periods of use.

Alcohol

It is not recommended to mix any amounts of hydrocodone and alcohol, as doing so could bring on health problems. APAP is metabolized solely by the liver. Therefore the risk of mortal overdose due to hepatotoxicity can occur with significantly lower levels of APAP when muddled with ethanol. Also the mixture can potentially cause serious damage to the liver, kidneys, and tolerate wall. Acetaminophen may increase the potential for coma, respiratory problems, and can damage the CNS. Due to the sentiment of euphoria it provides, these potentially negative consequences are often ignored by physically and/or psychologically dependent users.

Hydrocodone compounds

When sold commercially in the Agreed States, hydrocodone is always combined with another medication. Those combined with acetaminophen are known by a variety of trademark names, such as Vicodin and Lortab. Hydrocodone also can be combined with aspirin (e.g., Lortab ASA), ibuprofen (e.g., Vicoprofen), and specific antihistamines (e.g., Chemdal HD).

Combining an opioid such as hydrocodone with another analgesic can increasing the effectiveness of the drug without increasing opioid-related side effects (e.g., nausea, constipation, sedation). Another pleading for combining hydrocodone with acetaminophen is that it limits the potential for abuse. In dispassionate users, hydrocodone can be taken in large doses relatively safely, but acetaminophen is fatally toxic to the liver in monumental quantities.

FDA DESI Hydrocodone Cough Preparation Review

Hydrocodone was until recently the powerful antitussive in more than 200 formulations of cough syrups and tablets sold in the Joint States. In late 2006, the FDA began forcing the recall of many of these formulations due to reports of deaths in infants and children underneath the age of six. The legal status of drug formulations originally sold between 1938 and 1962 - in the vanguard FDA approval was required - was ambiguous. As a result of FDA enforcement action, 88% of the hydrocodone-containing medications deliver been removed from the market.

At the present time, doctors, pharamacists, and codeine-hot-tempered or allergic patients or sensitive to the amounts of histamine released by its metabolites must judge among rapidly dwindling supplies of the Hycodan-Codiclear-Hydromet type syrups, Tussionex (an extended-distribute suspension similar to the European products Codipertussin (codeine hydrochloride) Paracodin deferment (dihydrocodeine hydroiodide), Tusscodin Retard (nicocodeine hydrochloride) and others), and a handful of muffled dihydrocodeine syrups. The low sales volume and Schedule II status of Dilaudid Cough Syrup predictably leads to high-utilisation of the drug. There are several conflicting views concerning the US availability of cough preparations containing dionine (aka codethyline and ethylmorphine) — Feco Syrup® and its equivalents were blue ribbon marketed circa 1895 and still in common use in the 1940s and 1950s, and the main ingredient is treated like codeine in the Controlled Substances Act of 1970.

See also

• Codeine
• Pharmaceutical addiction
• Hydrocodone compound
• Hydromorphone
• Opioid
• Oxycodone
• Vicodin

References

1. ^ Mannich, C.; Löwenheim, H. (1920). "Ueber zwei neue Reduktionsprodukte des Kodeins". Archiv der Pharmazie 258 : 295–316. doi: 10.1002/ardp.19202580218 .  
2. ^ "Drugs@FDA - Sanction History: Hycodan". FDA . http://www.accessdata.fda.gov/scripts/cder/drugsatfda/clue.cfm?fuseaction=Search.Overview&DrugName=HYCODAN . Retrieved on 2006-01-07 .  
3. ^ "FDA Docket No. 2007N-0353, Slip someone a Mickey Finn Products Containing Hydrocodone; Enforcement Action Dates". FDA . http://www.fda.gov/OHRMS/DOCKETS/98fr/E7-19340.htm . Retrieved on 2006-01-07 .   See segment I. B., DESI Review of Hydrocodone Products
4. ^ ^{a b} MedlinePlus (The American Society of Health-Group Pharmacists) - Drug Information: Hydrocodone. Last Revised - 10/01/2008. Retrieved on 02/21/2009.
5. ^ Davis, Mellar P. (2005). "Hydrocodone". Opioids for cancer suffering . Oxford UK: Oxford University Press. pp. 59–68. ISBN 0-19-852943-0 . http://books.google.com/books?id=BK0WduGnx2kC&pg=PA59&lpg=PA59&dq=potency+of+hydrocodone&begetter=web&ots=yVunxwSuUc&sig=FOj2j1j5PDtGaQr0UJAJ4DyVZXY&hl=en&sa=X&oi=book_result&resnum=2&ct=result .  
6. ^ Drugs.com - Hydrocodone potency
7. ^ ^{a b} We have tried to write all this about Norco Tablets without leaving any margin of doubt lying in you. If there is any margin, do remove it.

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