KETALAR ketamine hydrochloride 10 mg/mL Injection
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the General Anesthetic class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Ketamine injection is used to provide anesthesia (you are unconscious and unaware of what is happening) during surgery. Ketamine injection is in a class of medications called anesthetic agents. It works by changing the activity in the brain.
Read the full MedlinePlus article ↗- The FDA-approved use of ketamine injection is as a general anesthetic — it's given in hospitals and surgical centers to put people into a deep sedated state for procedures, either...
- What exactly is ketamine used for — I keep hearing about it in the news but my doctor says it's for surgery?
- Ketamine creates what's called a 'dissociative' state — you won't feel pain and you'll be deeply sedated, but it works a little differently from traditional anesthesia. Your protec...
- Will I be completely unconscious, or will I know what's happening?
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
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UNII PH41D05744
A synthetic antimicrobial chemical compound used as a preservative in medicines and personal care products. It prevents bacterial and fungal growth to keep the product safe during storage and use.
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UNII 451W47IQ8X
Sodium chloride is common table salt. It's used in medicines as a buffer to maintain proper pH, as a filler to add bulk, or to adjust the osmotic balance in liquid formulations.
2 inactive ingredients listed in the exact product block matched to this NDC.
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ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per each | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Ketalar 10 mg/mLthis 00404-9880-20 | Henry | 1 vial | — | AP | FDA listed | — |
| Ketamine Hydrochloride 10 mg/mL 25021-0682-20 | Sagent | 10 vials | — | AP | FDA listed | — |
| Ketalar 10 mg/mL 42023-0113-10 | Par | 10 vials | — | AP | FDA listed | — |
| Ketamine Hydrochloride 10 mg/mL 55150-0438-10 | Eugia | 10 vials | — | AP | FDA listed | — |
| ketamine hydrochloride 10 mg/mL 65219-0184-20 | Fresenius | 10 vials | — | AP | FDA listed | — |
| Ketamine Hydrochloride 10 mg/mL 68083-0504-10 | Gland | 10 vials | — | AP | FDA listed | — |
| Ketamine Hydrochloride 10 mg/mL 43066-0177-05 | Baxter | 1 syringe | — | — | Discontinued | — |
| Ketamine Hydrochloride 10 mg/mL 43066-0117-05 | Baxter | 1 syringe | — | — | FDA listed | — |
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⏳ Availability & generic status
FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available — see Therapeutic equivalents.
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 00404-9880-20 You're viewing this | 1 VIAL in 1 BAG (0404-9880-20) / 20 mL in 1 VIAL | 2022-01-11 | Active |
🧭 About this NDC listing & data coverage
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| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | — Not published for this NDC No photo available yet for this listing. |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
1 INDICATIONS AND USAGE KETALAR (ketamine hydrochloride) injection is indicated: as the sole anesthetic agent for diagnostic and surgical procedures that do not require skeletal muscle relaxation. for the induction of anesthesia prior to the administration of other general anesthetic agents. as a supplement to other anesthetic agents. KETALAR is a general anesthetic indicated: as the sole anesthetic agent for diagnostic and surgical procedures that do not require skeletal muscle relaxation (1) for the induction of anesthesia prior to the administration of other general anesthetic agents (1) as a supplement to other anesthetic agents (1).
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION
2.1Important Dosage and Administration Information KETALAR should be administered by or under the direction of physicians experienced in the administration of general anesthetics, maintenance of a patent airway, and oxygenation and ventilation. Continuously monitor vital signs in patients receiving KETALAR. Emergency airway equipment must be immediately available.
Do not administer the 100 mg/mL concentration of KETALAR intravenously without proper dilution [see Dosage and Administration (2.3)]. Must be used immediately after dilution. While some degree of airway protection may be afforded due to active laryngeal-pharyngeal reflexes, vomiting and aspiration may occur with KETALAR.
KETALAR is not recommended for use in patients who have not followed nil per os guidelines. Due to the potential for salivation during KETALAR administration, administer an antisialagogue prior to induction of anesthesia. In individuals with a history of chronic ketamine use for off-label indications, there have been case reports of genitourinary pain that may be related to the ketamine treatment, not the underlying condition [see Adverse Reactions (6)].
Consider cessation of ketamine if genitourinary pain continues in the setting of other genitourinary symptoms.
2.2Recommended Dosage and Administration The KETALAR dosage must be individualized and titrated to the desired clinical effect. If a longer duration of effect is desired, additional increments can be administered intravenously or intramuscularly to maintain anesthesia. However, a higher total dose will result in a longer time to complete recovery.
Induction of Anesthesia Intravenous Route : The initial dose of KETALAR administered intravenously may range from 1 mg/kg to 4.5 mg/kg. The average amount required to produce 5 to 10 minutes of surgical anesthesia within 30 seconds following injection is 2 mg/kg. Administer KETALAR slowly (i.e., over a period of 60 seconds).
Rapid administration may result in respiratory depression and enhanced vasopressor response. The induction dose may be administered as an intravenous infusion at a rate of 0.5 mg/kg/min. Intramuscular Route : The initial dose of KETALAR administered intramuscularly may range from 6.5 to 13 mg/kg.
A dose of 9 to 13 mg/kg usually produces surgical anesthesia within 3 to 4 minutes following injection, with the anesthetic effect usually lasting 12 to 25 minutes. Administer a benzodiazepine, if clinically indicated, for the prevention of neuropsychological manifestations during emergence from anesthesia. Maintenance of Anesthesia Adjust the maintenance dose according to the patient's anesthetic needs and whether an additional anesthetic agent is administered.
Repeat increments of one-half to the full induction dose as needed for maintenance of anesthesia. Purposeless and tonic-clonic movements of extremities may occur during the course of ketamine anesthesia. These movements do not imply a light plane and are not indicative of the need for additional doses of the anesthetic.
KETALAR given by slow microdrip infusion technique at a dose of 0.1 to 0.5 mg/minute will maintain general anesthesia in adult patients induced with KETALAR. Augment KETALAR with an intravenous benzodiazepine for the prevention of neuropsychological manifestations during emergence. Supplement to Other Anesthetic Agents KETALAR can be administered to supplement other general and local anesthetic agents.
Continuously monitor patients for changes in respiratory and hemodynamic parameters. A reduced dose of KETALAR can be used to produce balanced anesthesia when used in combination with other anesthetic agents.
2.3Preparation of Dilution KETALAR is a clear, colorless sterile solution. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Discard if product is discolored or contains particulate matter. Induction of Anesthesia: Do no…
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS KETALAR injection is a clear, colorless, sterile solution available in multiple-dose vials containing either 10 mg ketamine base (equivalent to 11.53 mg ketamine hydrochloride), 50 mg ketamine base (equivalent to 57.67 mg ketamine hydrochloride) or 100 mg ketamine base (equivalent to 115.33 mg ketamine hydrochloride). 200 mg/20 mL (10 mg/mL) 500 mg/10 mL (50 mg/mL) 500 mg/5 mL (100 mg/mL) Injection: 200 mg/20 mL (10 mg/mL), 500 mg/10 mL (50 mg/mL), and 500 mg/5 mL (100 mg/mL) multiple-dose vials (3).
⛔ Contraindications ▾
4 CONTRAINDICATIONS KETALAR is contraindicated in patients for whom a significant elevation of blood pressure would constitute a serious hazard [see Warnings and Precautions(5.1)]. KETALAR is contraindicated in patients with known hypersensitivity to ketamine or to any excipient [see Adverse Reactions(6)]. In patients for whom a significant elevation of blood pressure would be a serious hazard (4).
Known hypersensitivity to ketamine or to any excipient (4).
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS
5.1Hemodynamic Instability Transient increases in blood pressure, heart rate, and cardiac index are frequently observed following administration of KETALAR. Decreases in blood pressure and heart rate, arrhythmias, and cardiac decompensation have also been observed. Monitor vital signs and cardiac function during KETALAR administration.
KETALAR is contraindicated in patients for whom a significant elevation of blood pressure would constitute a serious hazard [see Contraindications (4)].
5.2Emergence Reactions Emergence delirium (postoperative confusional states or agitation) has occurred in approximately 12% of patients during the recovery period, and the duration is generally a few hours. The neuropsychological manifestations vary in severity between pleasant dream-like states, vivid imagery, hallucinations, and emergence delirium. In some cases, these states have been accompanied by confusion, excitement, and irrational behavior, which have been recalled as unpleasant experiences.
No residual psychological effects are known to have resulted from use of KETALAR during induction and maintenance of anesthesia. Intramuscular administration results in a lower incidence of emergence reactions. The incidence of psychological manifestations during emergence, particularly dream-like observations and emergence delirium, may be reduced by using lower recommended dosages of KETALAR in conjunction with an intravenous benzodiazepine during induction and maintenance of anesthesia [see Dosage and Administration (2.3)].
Also, these reactions may be reduced if verbal, tactile, and visual stimulation of the patient is minimized during the recovery period. This does not preclude the monitoring of vital signs.
5.3Respiratory Depression Respiratory depression may occur with overdosage or a rapid rate of administration of KETALAR. Maintain adequate oxygenation and ventilation.
5.4Risks of Ketalar Alone for Procedures of the Pharynx, Larynx, or Bronchial Tree KETALAR does not suppress pharyngeal and laryngeal reflexes. Avoid KETALAR administration as a sole anesthetic agent during procedures of the pharynx, larynx, or bronchial tree, including mechanical stimulation of the pharynx. Muscle relaxants may be required for successful completion of procedures of the pharynx, larynx, or bronchial tree.
5.5Pediatric Neurotoxicity Published animal studies demonstrate that the administration of anesthetic and sedation drugs that block NMDA receptors and/or potentiate GABA activity increase neuronal apoptosis in the developing brain and result in long-term cognitive deficits when used for longer than 3 hours. The clinical significance of these findings is not clear. However, based on the available data, the window of vulnerability to these changes is believed to correlate with exposures in the third trimester of gestation through the first several months of life, but may extend out to approximately three years of age in humans [see Use in Specific Populations (8.1, 8.4), Nonclinical Toxicology (13.2)].
Some published studies in children suggest that similar deficits may occur after repeated or prolonged exposures to anesthetic agents early in life and may result in adverse cognitive or behavioral effects. These studies have substantial limitations, and it is not clear if the observed effects are due to the anesthetic/sedation drug administration or other factors such as the surgery or underlying illness. Anesthetic and sedation drugs are a necessary part of the care of children needing surgery, other procedures, or tests that cannot be delayed, and no specific medications have been shown to be safer than any other.
Decisions regarding the timing of any elective procedures requiring anesthesia should take into consideration the benefits of the procedure weighed against the potential risks.
5.6Drug-Induced Liver Injury Ketamine administration is associated with hepatobiliary dysfunction (most often a cholestatic pattern), with re…
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hemodynamic Instability [see Warnings and Precautions (5.1)] Emergence Reactions [see Warnings and Precautions (5.2)] Respiratory Depression [see Warnings and Precautions (5.3)] Pediatric Neurotoxicity [see Warnings and Precautions (5.5)] Drug-Induced Liver Injury [see Warnings and Precautions (5.6)] The following adverse reactions associated with the use of KETALAR were identified in clinical studies or postmarketing reports.
Because some of these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Cardiovascular disorders: Elevated blood pressure, heart rate, and cardiac index; decreases in blood pressure and heart rate; arrhythmias; cardiac decompensation (in patients with suspected catecholamine depletion). Eye disorders: Diplopia, nystagmus, elevation in intraocular pressure.
Gastrointestinal disorders: Anorexia, nausea, vomiting, hepatobiliary dysfunction. Biliary duct dilatation with or without evidence of biliary obstruction has been reported with recurrent use (e.g., misuse/abuse or medically supervised unapproved indications). Administration site disorders: Local pain and exanthema at the injection site.
Immune system disorders: Anaphylaxis. Neurologic disorders: Emergence reactions (post-operative delirium), [see Warnings and Precautions (5.2)]. During administration, enhanced muscle tone and spasms (resembling a partial motor or generalized motor seizure).
Psychiatric disorders: Adverse psychiatric events have occurred and/or persisted days to weeks after ketamine exposure. Renal and urinary disorders: In individuals with history of chronic ketamine use or abuse, lower urinary tract and bladder symptoms including dysuria, increased urinary frequency, urgency, urge incontinence, and hematuria have been reported [see Dosage and Administration (2.1)]. In addition, diagnostic studies performed to assess the cause of these symptoms have reported cystitis (including cystitis non-infective, cystitis interstitial, cystitis ulcerative, cystitis erosive and cystitis hemorrhagic) as well as hydronephrosis and reduced bladder capacity.
Respiratory disorders: Respiratory depression and apnea following rapid intravenous administration of high doses of KETALAR; laryngospasm, and airway obstruction. Skin and subcutaneous tissue disorders: Transient erythema and/or morbilliform rash The most common adverse reactions are emergence reactions and elevated blood pressure and pulse (6). To report SUSPECTED ADVERSE REACTIONS, contact Par Pharmaceutical at 1-800-828-9393 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
🔄 Drug Interactions ▾
7 DRUG INTERACTIONS
7.1Theophylline or Aminophylline Concomitant administration of KETALAR and theophylline or aminophylline may lower the seizure threshold. Consider using an alternative to KETALAR in patients receiving theophylline or aminophylline.
7.2Sympathomimetics and Vasopressin Sympathomimetics and vasopressin may enhance the sympathomimetic effects of ketamine. Closely monitor vital signs when KETALAR and sympathomimetics or vasopressin are co-administered and consider dose adjustment individualized to the patient’s clinical situation.
7.3Benzodiazepines, Opioid Analgesics, Or Other CNS Depressants Concomitant use of ketamine with opioid analgesics, benzodiazepines, or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death [see Warnings and Precautions (5.8)]. Opioid analgesics administered concomitantly with KETALAR may prolong time to complete recovery from anesthesia. Theophylline or Aminophylline : Do not co-administer with KETALAR as concomitant use may lower the seizure threshold (7.1).
Sympathomimetics and Vasopressin : Closely monitor vital signs when co-administered with KETALAR. Consider dose adjustment individualized to the patient’s clinical situation (7.2). Benzodiazepines, Opioid Analgesics, or other CNS Depressants : Concomitant use may result in profound sedation, respiratory depression, coma, or death.
Concomitant use of opioid analgesics may prolong recovery time. (7.3).
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS
8.1Pregnancy Risk Summary There are no adequate and well-controlled studies of KETALAR in pregnant women. In animal reproduction studies in rats developmental delays (hypoplasia of skeletal tissues) were noted at 0.3 times the human intramuscular dose of 10 mg/kg. In rabbits, developmental delays and increased fetal resorptions were noted at 0.6 times the human dose.
Published studies in pregnant primates demonstrate that the administration of anesthetic and sedation drugs that block NMDA receptors and/or potentiate GABA activity during the period of peak brain development increases neuronal apoptosis in the developing brain of the offspring when used for longer than 3 hours. There are no data on pregnancy exposures in primates corresponding to periods prior to the third trimester in humans. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown.
All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively. Clinical Considerations KETALAR use in pregnancy, including obstetrics (either vaginal or abdominal delivery), is not recommended because safe use has not been established [see Warnings and Precautions (5.5), Use in Specific Populations (8.4) and Nonclinical Toxicology (13.2)].
Data Animal Data Pregnant rats were treated intramuscularly with 20 mg/kg ketamine (0.3 times the human dose of 10 mg/kg IM based on body surface area) on either Gestation Days 6 to 10 or Gestation Days 11 to 15. Ketamine treatment produced an increased incidence of hypoplastic skull, phalanges, and sternebrae in the pups. Pregnant rabbits were treated intramuscularly with 20 mg/kg ketamine (0.6 times the human dose of 10 mg/kg IM based on body surface area) on either Gestation Days 6 to 10 or Gestation Days 11 to 15.
An increase in resorptions and skeletal hypoplasia of the fetuses were noted. Additional pregnant rabbits were treated intramuscularly with a single dose 60 mg/kg (1.9 times the human dose of 10 mg/kg IM based on body surface area) on Gestation Day 6 only. Skeletal hypoplasia was reported in the fetuses.
In a study where pregnant rats were treated intramuscularly with 20 mg/kg ketamine (0.3 times the human dose of 10 mg/kg IM based on body surface area) from Gestation Day 18 to 21. There was a slight increase in incidence of delayed parturition by one day in treated dams of this group. No adverse effects on the litters or pups were noted; however, learning and memory assessments were not completed.
Three pregnant beagle dogs were treated intramuscularly with 25 mg/kg ketamine (1.3 times the human dose of 10 mg/kg IM based on body surface area) twice weekly for the three weeks of the first, second, and third trimesters of pregnancy, respectively, without the development of adverse effects in the pups. In a published study in primates, administration of an anesthetic dose of ketamine for 24 hours on Gestation Day 122 increased neuronal apoptosis in the developing brain of the fetus. In other published studies, administration of either isoflurane or propofol for 5 hours on Gestation Day 120 resulted in increased neuronal and oligodendrocyte apoptosis in the developing brain of the offspring.
With respect to brain development, this time period corresponds to the third trimester of gestation in the human. The clinical significance of these findings is not clear; however, studies in juvenile animals suggest neuroapoptosis correlates with long-term cognitive deficits [see Warnings and Precautions (5.5), Use in Specific Populations (8.4), and Nonclinical Toxicology (13.2)].
8.4Pediatric Use Safety and effectiveness in pediatric patients below the age of 16 have not been established. Published juvenile animal studies demonstrate that the administration of anesthetic…
🆘 Overdosage ▾
10 OVERDOSAGE Changes in heart rate and blood pressure, respiratory depression, and apnea may occur with overdosage or by a rapid rate of administration of KETALAR. Monitor patients for clinically relevant changes in heart rate and blood pressure. Assisted ventilation, including mechanical ventilation, may be required. In cases of unintentional overdose of KETALAR (up to ten times that usually required), patients had a prolonged but complete recovery.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action KETALAR, a racemic mixture of ketamine, is a non-selective, non-competitive antagonist of the N-methyl-D-aspartate (NMDA) receptor, an ionotropic glutamate receptor. The major circulating metabolite of ketamine (norketamine) demonstrated activity at the same receptor with less affinity. Norketamine is about 1/3 as active as ketamine in reducing halothane requirements (MAC) of the rat.
12.2Pharmacodynamics Nervous System Ketamine is a rapidly-acting general anesthetic producing a dissociative anesthetic state characterized by profound analgesia, normal pharyngeal-laryngeal reflexes, normal or slightly enhanced skeletal muscle tone, cardiovascular and respiratory stimulation, and occasionally a transient and minimal respiratory depression. The mechanism of action is primarily due to antagonism of N-methyl-D-aspartate (NMDA receptors) in the central nervous system. Ketamine can produce nystagmus with pupillary dilation, salivation, lacrimation, and spontaneous limb movements with increased muscle tone through indirect sympathomimetic activity.
Ketamine produces analgesia. Ketamine-induced emergence delirium can be reduced with benzodiazepines. Cardiovascular System Ketamine increases blood pressure, heart rate, and cardiac output.
Cardiovascular effects of ketamine are indirect and believed to be mediated by inhibition of both central and peripheral catecholamine reuptake. Elevation of blood pressure reaches a maximum within a few minutes of injection and usually returns to preanesthetic values within 15 minutes. In the majority of cases, the systolic and diastolic blood pressure peaks from 10% to 50% above preanesthetic levels shortly after induction of anesthesia, but the elevation can be higher or longer in individual cases.
Respiratory System Ketamine is a potent bronchodilator suitable for anesthetizing patients at high risk for bronchospasm.
12.3Pharmacokinetics Distribution Following intravenous administration, the ketamine concentration has an initial slope (alpha phase) lasting about 45 minutes with a half-life of 10 to 15 minutes. This first phase corresponds clinically to the anesthetic effect of the drug. Elimination Metabolism Ketamine is metabolized via N-dealkylation to the active metabolite norketamine primarily by CYP2B6 and CYP3A4 and to a lesser extent by other CYP enzymes.
Norketamine undergoes hydroxylation of the cyclohexone ring to form hydroxynorketamine compounds via CYP-dependent pathways, which are conjugated with glucuronic acid and subsequently undergo dehydration of the hydroxylated metabolites to form the cyclohexene derivative dehydroxynorketamine. Excretion Following intravenous administration, the ketamine concentration decreases due to a combination of redistribution from the CNS to slower equilibrating peripheral tissues and hepatic biotransformation to norketamine. The redistribution half-life of ketamine from the CNS to slower equilibrating peripheral tissues (beta phase) is 2.5 hours.
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied KETALAR injection is a clear, colorless solution supplied as the hydrochloride salt in concentrations equivalent to ketamine base, as follows: Product repackaged by: Henry Schein, Inc., Bastian, VA 24314 From Original Manufacturer/Distributor's NDC and Unit of Sale To Henry Schein Repackaged Product NDC and Unit of Sale Total Strength/Total Volume (Concentration) per unit NDC 42023-113-10 Unit of 10 NDC 0404-9880-20 1 20 mL multiple-dose vial in a bag (Vial bears NDC 42023-113-10) 200 mg in 20 mL (10 mg/mL) 10 mg ketamine base (equivalent to 11.53 mg ketamine hydrochloride) Storage and Handling KETALAR injection should be stored at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
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📋 Description ▾
11 DESCRIPTION KETALAR (ketamine hydrochloride) injection, for intravenous or intramuscular use, contains ketamine, a nonbarbiturate general anesthetic. Ketamine hydrochloride, USP is a white crystalline powder and has a molecular formula of C 13 H 16 ClNO•HCl and a molecular weight of 274.19. The chemical name for ketamine hydrochloride is (±)-2-(o-Chlorophenyl)-2-(methylamino)cyclohexanone hydrochloride.
The chemical structure of ketamine hydrochloride is: It is formulated as a slightly acidic (pH 3.5-5.5) sterile solution for intravenous or intramuscular injection. Each milliliter (mL) of the multiple-dose vials contain either 10 mg ketamine base (equivalent to 11.53 mg ketamine hydrochloride), 50 mg ketamine base (equivalent to 57.67 mg ketamine hydrochloride) or 100 mg ketamine base (equivalent to 115.33 mg ketamine hydrochloride) and not more than 0.10 mg/mL benzethonium chloride added as a preservative in water for injection.
The 10 mg/mL solution has been made isotonic with 6.60 mg sodium chloride. Formula1.jpg