Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a potent synthetic opioid analgesic, widely acknowledged in scientific medication for its rapid start and short period of action. Within the United Kingdom's healthcare system, fentanyl plays a crucial role in perioperative care, intensive care, and the management of severe, severe discomfort. Due to the fact that of its effectiveness-- estimated to be 50 to 100 times that of morphine-- its administration via injection is strictly managed and typically reserved for medical facility settings.
For health care professionals, students, or patients seeking to comprehend the medicinal landscape in the UK, determining the offered trademark name and producers of fentanyl citrate injection is important. This article offers a comprehensive overview of the brand, medical indicators, and regulative status of fentanyl citrate injections in the United Kingdom.
What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that functions as a potent agonist at the μ-opioid (mu-opioid) receptors in the main anxious system. When administered through intravenous (IV) or intramuscular (IM) injection, it supplies rapid analgesia. In the UK, it is categorized as a Class A managed drug under the Misuse of Drugs Act 1971 and falls under Schedule 2 of the Misuse of Drugs Regulations 2001.
Its primary appeal in surgical settings is its capability to supply extreme discomfort relief while preserving hemodynamic stability, making it a preferred choice for cardiac surgeries and for clients with vulnerable cardiovascular systems.
Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, lots of pharmaceutical items are recommended by their generic name (Fentanyl) rather than a brand name. Nevertheless, numerous producers provide the NHS and private health centers with specific solutions. Historically, the most well-known trademark name related to fentanyl citrate was Sublimaze, originally established by Janssen Pharmaceutica. While the name Sublimaze is still used internationally and informally in some UK theatres, most of the supply in the UK is now provided by generic manufacturing professionals.
Table 1: Common Manufacturers and Product Details in the UK
| Manufacturer | Item Description | Common Strengths |
|---|---|---|
| Hameln Pharma | Fentanyl Citrate Injection BP | 50 micrograms/ml (2ml, 10ml ampoules) |
| Wockhardt UK | Fentanyl Citrate Injection | 50 micrograms/ml (2ml, 10ml ampoules) |
| Martindale Pharma | Fentanyl Citrate | 50 micrograms/ml (2ml, 10ml, 20ml ampoules) |
| Janssen-Cilag | Sublimaze (Historical Brand) | 50 micrograms/ml |
| Pirimal Critical Care | Fentanyl Citrate Injection | 50 micrograms/ml |
While the trademark name "Sublimaze" might still appear on some procurement lists, the UK medical landscape is dominated by Hameln and Martindale generic versions, which are bioequivalent to the initial branded product.
Scientific Indications for Injection
Fentanyl citrate injection is utilized across numerous departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is generally divided into 3 categories:
1. Anaesthesia
Fentanyl is a foundation of contemporary anaesthesia. It is used as an analgesic supplement throughout the induction and upkeep of basic anaesthesia. It helps blunt the body's physiological "tension response" to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in small, titrated boluses to handle immediate post-surgical discomfort before transitions are made to longer-acting opioids or oral medications.
3. Intensive Care (ICU)
In the Intensive Care Unit, fentanyl is regularly utilized as an infusion to provide constant analgesia for patients who are mechanically ventilated. Its short half-life enables for more predictable "wake-up" tests compared to drugs like morphine.
Table 2: Clinical Application Summary
| Application | Function of Fentanyl |
|---|---|
| Pre-medication | To offer sedation and analgesia before transferring to theatre. |
| Induction | To work together with induction agents (like Propofol) for a smooth shift to unconsciousness. |
| Upkeep | To manage the surgical discomfort stimulus throughout the procedure. |
| Analgesic Supplement | Utilized in regional anaesthesia (like epidurals) to improve discomfort relief. |
Mechanism of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. Fentanyl For Sale UK rising discomfort pathways, altering the perception of and response to discomfort. It likewise increases the discomfort threshold.
- Beginning of Action: 1-- 2 minutes (Intravenous).
- Peak Effect: 3-- 5 minutes.
- Period: 30-- 60 minutes (making it extremely titratable).
- Metabolism: Primarily in the liver by means of the CYP3A4 enzyme.
- Excretion: Mostly via the kidneys.
Because fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier practically quickly, which explains why the analgesic effect is felt a lot faster than with morphine or oxycodone.
Safety and Side Effects
Similar to all powerful opioids, fentanyl citrate brings a risk of substantial adverse effects, particularly relating to the breathing and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most major risk; it lowers the drive to breathe.
- Bradycardia: A slow heart rate.
- Hypotension: Low high blood pressure.
- Muscle Rigidity: Specifically "wooden chest syndrome," where the chest wall becomes too stiff to ventilate quickly (usually occurs with high-dose rapid IV administration).
- Nausea and Vomiting: Common in the post-operative phase.
- Pruritus: Itching, often around the nose or torso.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing anxiety in the lack of resuscitative equipment.
- Concurrent usage of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger of serotonin syndrome).
- Myasthenia gravis (due to muscle-relaxing interactions).
Regulation and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly managed to avoid diversion and abuse.
- Storage: It must be kept in a locked "Controlled Drugs" (CD) cupboard that satisfies the British Standard for security.
- Record Keeping: Every dosage administered should be tape-recorded in a Controlled Drugs Register, signed by 2 certified health care professionals (typically a physician and a nurse, or 2 nurses).
- Disposal: Any lost or unused portion of an ampoule need to be experienced and destroyed according to local trust policy (typically utilizing a denaturing package).
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still available in the UK?
While the brand name Sublimaze is the "innovator" product, the majority of UK medical facilities presently use generic variations produced by companies like Hameln or Martindale. These are pharmacologically similar.
2. What is the standard concentration of Fentanyl injection in the UK?
The standard concentration is 50 micrograms per millilitre (50 mcg/ml). It is typically readily available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be given in your home?
No. Fentanyl citrate injection is practically solely utilized in healthcare facility settings (theatre, ICU, A&E) since of the threat of quick breathing depression, which requires immediate access to oxygen and resuscitation devices.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is around 50 to 100 times more potent than morphine. This implies 100 micrograms of fentanyl is roughly equivalent to 10 milligrams of morphine.
5. What is Fentanyl Pills UK for a Fentanyl overdose?
Naloxone (trademark name Prenoxad or generic) is the basic opioid villain used to reverse the effects of fentanyl if respiratory depression occurs.
Summary
Fentanyl citrate stays one of the most essential medications in the UK's surgical and intensive care environments. While it might be described by the historic trademark name Sublimaze, it is mostly used in its generic kind provided by makers such as Hameln, Wockhardt, and Martindale Pharma.
Its high potency and fast beginning make it an unequaled tool for managing acute pain and assisting in anaesthesia, however these very same qualities demand the highest level of scientific tracking and regulatory oversight. Comprehending the brand names and the medicinal profile of this drug is important for safe practice and client safety within the NHS and the larger UK healthcare sector.
Disclaimer: This article is for educational functions only and does not constitute medical guidance. Healthcare experts need to always refer to the British National Formulary (BNF) or their local Trust guidelines for dosing and administration protocols.
