Understanding Fentanyl Citrate Injection: Brand Names and Clinical Use in the UK
In the landscape of modern-day discomfort management and anesthesia, couple of medications are as powerful or as medically significant as fentanyl citrate. As an artificial opioid analgesic, it plays a crucial function in surgical settings and severe pain management throughout the United Kingdom. Given its high effectiveness-- estimated to be between 50 and 100 times more effective than morphine-- understanding its available types, brand names, and regulative status is essential for healthcare specialists and informed patients alike.
This article offers a thorough summary of fentanyl citrate injection within the UK health care system, detailing the brand name names readily available, its restorative signs, and the strict safety protocols governing its usage.
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 nervous system. When administered by means of injection (either intravenously or intramuscularly), it supplies extensive analgesia and sedation.
Unlike many naturally obtained opiates, fentanyl is extremely lipophilic (fat-soluble), which permits it to cross the blood-brain barrier quickly. This results in a fast start of action-- typically within one to two minutes when administered intravenously-- making it an ideal choice for intense surgeries and emergency situation interventions.
The Significance of the "Citrate" Form
The "citrate" suffix refers to the salt form of the drug. Fentanyl in its base form is not easily 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 Name Names and Manufacturers in the UK
In the United Kingdom, fentanyl citrate injection is offered both as a proprietary brand name and as generic formulations. While the drug itself remains the exact same, the branding typically depends upon the particular pharmaceutical business providing the NHS (National Health Service) or personal hospitals.
1. Sublimaze
Sublimaze is maybe the most historically acknowledged trademark name for fentanyl citrate injection. Originally developed by Janssen Pharmaceutica, it ended up being the gold requirement for injectable fentanyl in scientific settings. While the name "Sublimaze" is still widely mentioned in medical literature, many UK health centers now primarily stock generic versions due to cost-effectiveness.
2. Generic Fentanyl Citrate
Most of fentanyl used in the UK is identified generically as "Fentanyl Citrate 50 micrograms/ml solution for injection." A number of crucial pharmaceutical business are accredited to distribute these generic versions in the UK.
Table 1: Common Suppliers and Brand Names in the UK
| Producer/ Brand Name | Form | Typical Strengths | Common 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 |
Scientific Indications for Injection
Fentanyl citrate injection is not a basic ward medication for mild pain; its usage is strictly scheduled for specific scientific environments, such as running theatres, intensive care units (ICU), and emergency situation departments.
1. Anesthesia and Surgical Support
- Pre-medication: Given shortly before surgery to cause sedation and relieve anxiety.
- Analgesic Adjunct: Used together with unstable aesthetic appeals (gases) or other intravenous representatives to maintain a "well balanced anesthesia" state.
- Induction: Often used as part of the rapid sequence induction to blunt the cardiovascular action to intubation.
2. Post-Operative Pain Management
For patients recuperating from significant surgical treatment, small, titrated dosages of fentanyl injection may be used in the recovery space (PACU) to handle intense "breakthrough" pain that has actually not reacted to other medications.
3. Intensive Care Sedation
In the ICU, fentanyl is regularly administered via continuous infusion to supply analgesia for patients who are mechanically aerated. Its brief half-life allows clinicians to carry out "sedation breaks" to evaluate the client's neurological status better than with longer-acting opioids.
4. Palliative Care
In specialized terminal care settings, fentanyl injections might be utilized to manage serious discomfort crises, although other routes (such as subcutaneous spots or sublingual tablets) are more common for chronic maintenance.
Dose and Administration Guidelines
The administration of fentanyl citrate injection must only be performed by trained healthcare specialists (normally anesthetists or specialized nurses) who have access to resuscitative devices.
Basic Strengths
The basic concentration in the UK is 50 micrograms per milliliter (50mcg/ml). It is available in different ampoule sizes, typically 2ml (consisting of 100mcg) and 10ml (consisting of 500mcg).
Paths of Administration
- Intravenous (IV): The most common route for an instant effect.
- Intramuscular (IM): Used when IV access is not readily available, though the start is slower.
- Epidural/Intrathecal: Fentanyl is often injected into the spinal space to provide regional anesthesia, frequently integrated with an anesthetic like bupivacaine.
Security, Contraindications, and Side Effects
Due to its severe effectiveness, fentanyl citrate carries a significant risk profile. The main concern is breathing anxiety, where the patient's drive to breathe is decreased.
Common Side Effects
- Nausea and throwing up.
- Dizziness and drowsiness.
- Bradycardia (sluggish heart rate).
- Hypotension (low high blood pressure).
- Urinary retention.
Serious 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 stiff, making ventilation impossible without using muscle relaxants.
- Dependency and Misuse: Like all opioids, fentanyl has a high potential for reliance.
- Cross-Reactivity: It should be used with extreme caution in patients who have actually taken Monoamine Oxidase Inhibitors (MAOIs) within the previous 14 days, as this can trigger a hypertensive crisis or serotonin syndrome.
Legal Status and Controls in the UK
In the United Kingdom, fentanyl is classified under the Misuse of Drugs Act 1971 as a Class A drug. Furthermore, under the Misuse of Drugs Regulations 2001, it is classified as a Schedule 2 Controlled Drug.
This category imposes strict requirements on:
- Storage: Must be kept in a double-locked "CD" (Controlled Drug) cupboard.
- Record Keeping: Every milligram needs to be accounted for in a Controlled Drugs Register.
- Prescribing: Prescriptions must meet particular legal requirements relating to the overall amount and formula.
- Destruction: Any unused portions of an ampoule should be experienced and damaged according to healthcare facility procedures.
FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
Q1: Is Sublimaze the very same as Fentanyl?
Yes. Sublimaze is simply the brand name for the generic drug fentanyl citrate. In many UK scientific settings, the terms are utilized interchangeably, though the generic name is preferred in modern prescribing to avoid mistakes.
Q2: How quickly does an injection of fentanyl work?
When given intravenously, its results can be felt practically immediately, peaking within 3 to 5 minutes. Its analgesic period is relatively short, normally enduring 30 to 60 minutes.
Q3: Can fentanyl injection be used in the house?
No. Fentanyl Online UK Reviews is strictly an "in-hospital" medication. For home usage (e.g., in palliative care), fentanyl is generally recommended as transdermal spots (e.g., Duragesic or Matrifen) or as lozenges/nasal sprays for development pain.
Q4: What happens if a client is provided too much fentanyl?
An overdose leads to severe respiratory anxiety, pinpoint pupils, and loss of awareness. The standard "remedy" utilized 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. learn more is approximately 80 to 100 times more potent than morphine by weight. This suggests 100 micrograms (0.1 mg) of fentanyl is approximately comparable to 10mg of morphine.
Fentanyl citrate stays a foundation of the UK's intense healthcare system. Whether branded as Sublimaze or provided as a generic formula from companies like Accord or Hameln, its role in allowing intricate surgeries and managing serious pain is essential. Nevertheless, its potency requires a high level of watchfulness, rigorous legal controls, and professional administration. By understanding the brand names and the pharmacological profile of this powerful opioid, health care companies can ensure it is used safely and successfully to improve client results.
Disclaimer: This short article is for informative purposes only and does not constitute medical guidance. For clinical assistance, please describe the British National Formulary (BNF) or consult a competent physician.
