Understanding Fentanyl Citrate Injection: Brand Names and Clinical Use in the UK
In the landscape of contemporary pain management and anesthesia, couple of medications are as potent or as scientifically considerable as fentanyl citrate. As an artificial opioid analgesic, it plays a crucial function in surgical settings and sharp pain management throughout the United Kingdom. Offered its high strength-- approximated to be between 50 and 100 times more powerful than morphine-- comprehending its readily available forms, trademark name, and regulatory status is essential for healthcare professionals and notified clients alike.
This post provides a comprehensive overview of fentanyl citrate injection within the UK healthcare system, detailing the brand name names readily available, its healing indications, and the rigorous security procedures governing its use.
What is Fentanyl Citrate Injection?
Fentanyl citrate is a rapid-acting, short-duration opioid agonist that interacts primarily with the μ-opioid receptors in the main nerve system. When administered via click here (either intravenously or intramuscularly), it supplies extensive analgesia and sedation.
Unlike lots of naturally derived opiates, fentanyl is extremely lipophilic (fat-soluble), which enables it to cross the blood-brain barrier rapidly. This leads to a quick beginning of action-- frequently within one to 2 minutes when administered intravenously-- making it a perfect choice for intense surgical procedures and emergency interventions.
The Significance of the "Citrate" Form
The "citrate" suffix describes the salt form of the drug. Fentanyl in its base type is not quickly soluble in water. By responding it with citric acid to form fentanyl citrate, pharmaceutical makers produce a stable, water-soluble solution suitable for parenteral (injectable) administration.
Brand and Manufacturers in the UK
In the United Kingdom, fentanyl citrate injection is readily available both as a proprietary brand and as generic formulations. While the drug itself stays the same, the branding frequently depends upon the specific pharmaceutical business providing the NHS (National Health Service) or private hospitals.
1. Sublimaze
Sublimaze is maybe the most traditionally recognized brand for fentanyl citrate injection. Initially developed by Janssen Pharmaceutica, it ended up being the gold requirement for injectable fentanyl in scientific settings. While the name "Sublimaze" is still commonly mentioned in medical literature, lots of UK healthcare facilities now mainly stock generic variations due to cost-effectiveness.
2. Generic Fentanyl Citrate
Most of fentanyl utilized in the UK is labeled generically as "Fentanyl Citrate 50 micrograms/ml option for injection." A number of key pharmaceutical business are licensed to disperse these generic versions in the UK.
Table 1: Common Suppliers and Brand Names in the UK
| Maker/ Brand Name | Form | Common Strengths | Typical Pack Sizes |
|---|---|---|---|
| Sublimaze (Janssen-Cilag) | Solution for Injection | 50 mcg/ml | 2ml, 10ml ampoules |
| Accord Healthcare | Fentanyl Citrate (Generic) | 50 mcg/ml | 2ml, 10ml ampoules |
| Hameln Pharmaceuticals | Fentanyl Citrate (Generic) | 50 mcg/ml | 2ml, 10ml, 20ml ampoules |
| Pfizer (Hospira) | Fentanyl Citrate (Generic) | 50 mcg/ml | 2ml, 10ml ampoules |
| Wockhardt UK | Fentanyl Citrate (Generic) | 50 mcg/ml | 2ml, 10ml ampoules |
Clinical Indications for Injection
Fentanyl citrate injection is not a basic ward medication for moderate discomfort; its usage is strictly booked for particular clinical environments, such as running theatres, intensive care units (ICU), and emergency situation departments.
1. Anesthesia and Surgical Support
- Pre-medication: Given soon before surgical treatment to cause sedation and alleviate anxiety.
- Analgesic Adjunct: Used alongside volatile aesthetics (gases) or other intravenous representatives to preserve a "balanced anesthesia" state.
- Induction: Often used as part of the quick series induction to blunt the cardiovascular action to intubation.
2. Post-Operative Pain Management
For patients recovering from significant surgery, little, titrated dosages of fentanyl injection may be utilized in the recovery space (PACU) to manage acute "breakthrough" pain that has actually not reacted to other medications.
3. Intensive Care Sedation
In the ICU, fentanyl is regularly administered by means of continuous infusion to supply analgesia for clients who are mechanically aerated. Its brief half-life allows clinicians to perform "sedation breaks" to examine the patient's neurological status better than with longer-acting opioids.
4. Palliative Care
In customized terminal care settings, fentanyl injections may be utilized to handle extreme discomfort crises, although other paths (such as subcutaneous spots or sublingual tablets) are more common for persistent maintenance.
Dose and Administration Guidelines
The administration of fentanyl citrate injection should just be performed by skilled health care specialists (usually anesthetists or specialized nurses) who have access to resuscitative devices.
Basic Strengths
The standard concentration in the UK is 50 micrograms per milliliter (50mcg/ml). It is offered in various ampoule sizes, generally 2ml (including 100mcg) and 10ml (including 500mcg).
Routes of Administration
- Intravenous (IV): The most typical route for an instant result.
- Intramuscular (IM): Used when IV access is not readily available, though the beginning is slower.
- Epidural/Intrathecal: Fentanyl is often injected into the spine area to offer local anesthesia, typically integrated with a local anesthetic like bupivacaine.
Security, Contraindications, and Side Effects
Due to its extreme strength, fentanyl citrate brings a substantial threat profile. The primary concern is respiratory depression, where the patient's drive to breathe is diminished.
Typical Side Effects
- Nausea and vomiting.
- Dizziness and sleepiness.
- Bradycardia (slow heart rate).
- Hypotension (low high blood pressure).
- Urinary retention.
Severe Risks
- Chest Wall Rigidity: Rapid IV infusion of high-dose fentanyl can cause "Stiff Person Syndrome" or "Woody Chest," where the skeletal muscles of the chest and abdominal area become rigid, making ventilation difficult without making use of muscle relaxants.
- Addiction and Misuse: Like all opioids, fentanyl has a high potential for dependence.
- Cross-Reactivity: It needs to be utilized with severe care in clients who have taken Monoamine Oxidase Inhibitors (MAOIs) within the previous 14 days, as this can activate a hypertensive crisis or serotonin syndrome.
Legal Status and Controls in the UK
In the United Kingdom, fentanyl is categorized under the Misuse of Drugs Act 1971 as a Class A drug. Furthermore, under the Misuse of Drugs Regulations 2001, it is categorized as a Schedule 2 Controlled Drug.
This category imposes stringent requirements on:
- Storage: Must be kept in a double-locked "CD" (Controlled Drug) cupboard.
- Record Keeping: Every milligram must be represented in a Controlled Drugs Register.
- Prescribing: Prescriptions should meet particular legal requirements regarding the total amount and formula.
- Destruction: Any unused portions of an ampoule should be witnessed and ruined according to hospital protocols.
FAQ: Fentanyl Citrate Injection in the UK
Q1: Is Sublimaze the same as Fentanyl?
Yes. Sublimaze is merely the trademark name for the generic drug fentanyl citrate. In most UK medical settings, the terms are used interchangeably, though the generic name is chosen in modern-day prescribing to prevent mistakes.
Q2: How quick does an injection of fentanyl work?
When given intravenously, its impacts can be felt nearly right away, peaking within 3 to 5 minutes. Its analgesic period is fairly short, usually lasting 30 to 60 minutes.
Q3: Can fentanyl injection be used at home?
No. Fentanyl citrate injection is strictly an "in-hospital" medication. For home use (e.g., in palliative care), fentanyl is normally prescribed as transdermal spots (e.g., Duragesic or Matrifen) or as lozenges/nasal sprays for advancement pain.
Q4: What happens if a client is given too much fentanyl?
An overdose causes severe respiratory depression, identify pupils, and loss of awareness. The basic "remedy" used in the UK is Naloxone, a competitive opioid villain that reverses the results of fentanyl.
Q5: Is fentanyl citrate injection stronger than morphine?
Yes, considerably. Fentanyl is roughly 80 to 100 times more powerful than morphine by weight. This suggests 100 micrograms (0.1 mg) of fentanyl is roughly equivalent to 10mg of morphine.
Fentanyl citrate stays a cornerstone of the UK's acute treatment system. Whether branded as Sublimaze or supplied as a generic formula from companies like Accord or Hameln, its role in allowing complex surgeries and managing extreme discomfort is vital. However, its effectiveness necessitates a high level of vigilance, strict legal controls, and expert administration. By understanding the brands and the medicinal profile of this powerful opioid, doctor can ensure it is utilized safely and successfully to improve client results.
Disclaimer: This post is for informative functions only and does not make up medical suggestions. For medical guidance, please refer to the British National Formulary (BNF) or seek advice from a qualified doctor.
