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Understanding Fentanyl Citrate Injection: Brand Names and Clinical Use in the UK

In the landscape of modern-day pain management and anesthesia, few medications are as potent or as scientifically considerable as fentanyl citrate. As an artificial opioid analgesic, it plays a vital role in surgical settings and sharp pain management throughout the United Kingdom. Offered its high effectiveness– estimated to be in between 50 and 100 times more effective than morphine– understanding its available forms, trademark name, and regulative status is vital for healthcare experts and notified clients alike.

This article supplies a detailed introduction of fentanyl citrate injection within the UK health care system, detailing the brand name names available, its restorative indicators, and the stringent security procedures governing its usage.

What is Fentanyl Citrate Injection?

Fentanyl citrate is a rapid-acting, short-duration opioid agonist that communicates primarily with the μ-opioid receptors in the central nerve system. When administered by means of injection (either intravenously or intramuscularly), it offers extensive analgesia and sedation.

Unlike numerous naturally obtained opiates, fentanyl is highly lipophilic (fat-soluble), which allows it to cross the blood-brain barrier quickly. This results in a quick beginning of action– often 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 form is not quickly soluble in water. By responding it with citric acid to form fentanyl citrate, pharmaceutical makers create a stable, water-soluble option suitable for parenteral (injectable) administration.

Trademark Name and Manufacturers in the UK

In the United Kingdom, fentanyl citrate injection is available both as an exclusive brand name and as generic solutions. While the drug itself stays the same, the branding typically depends upon the specific pharmaceutical business supplying the NHS (National Health Service) or private hospitals.

1. Sublimaze

Sublimaze is possibly the most traditionally recognized brand name for fentanyl citrate injection. Originally established by Janssen Pharmaceutica, it became the gold requirement for injectable fentanyl in scientific settings. While the name “Sublimaze” is still widely mentioned in medical literature, numerous UK healthcare facilities now mainly stock generic variations 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.” Several key pharmaceutical companies are accredited to distribute these generic versions in the UK.

Table 1: Common Suppliers and Brand Names in the UK

Maker/ Brand Name
Type
Common 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 standard ward medication for mild discomfort; its usage is strictly booked for specific clinical environments, such as operating theatres, intensive care systems (ICU), and emergency situation departments.

1. Anesthesia and Surgical Support

• Pre-medication: Given shortly before surgery to cause sedation and eliminate stress and anxiety.
• Analgesic Adjunct: Used alongside unpredictable aesthetics (gases) or other intravenous representatives to preserve a “well balanced anesthesia” state.
• Induction: Often used as part of the rapid series induction to blunt the cardiovascular action to intubation.

2. Post-Operative Pain Management

For clients recuperating from significant surgery, small, titrated dosages of fentanyl injection may be used in the recovery room (PACU) to manage severe “development” pain that has not responded to other medications.

3. Intensive Care Sedation

In the ICU, fentanyl is often administered via continuous infusion to offer analgesia for patients who are mechanically ventilated. Its short half-life enables clinicians to carry out “sedation breaks” to assess the client’s neurological status better than with longer-acting opioids.

4. Palliative Care

In specific terminal care settings, fentanyl injections may be utilized to manage extreme discomfort crises, although other routes (such as subcutaneous spots or sublingual tablets) are more typical for persistent maintenance.

Dosage and Administration Guidelines

The administration of fentanyl citrate injection should only be carried out by trained health care specialists (normally 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 (consisting of 500mcg).

Paths of Administration

• Intravenous (IV): The most typical route for an immediate impact.
• Intramuscular (IM): Used when IV access is not available, though the start is slower.
• Epidural/Intrathecal: Fentanyl is in some cases injected into the back space to offer local anesthesia, often integrated with a local anesthetic like bupivacaine.

Safety, Contraindications, and Side Effects

Due to its severe potency, fentanyl citrate carries a substantial danger profile. The primary concern is respiratory anxiety, where the patient’s drive to breathe is diminished.

Typical Side Effects

• Nausea and throwing up.
• Lightheadedness and sleepiness.
• Bradycardia (slow heart rate).
• Hypotension (low blood pressure).
• Urinary retention.

Serious Risks

1. 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 abdomen end up being rigid, making ventilation impossible without using muscle relaxants.
2. Dependency and Misuse: Like all opioids, fentanyl has a high capacity for dependence.
3. Cross-Reactivity: It must be utilized with severe care 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 categorized under the Misuse of Drugs Act 1971 as a Class A drug. Additionally, 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 needs to be represented in a Controlled Drugs Register.
• Prescribing: Prescriptions must meet particular legal requirements relating to the total amount and solution.
• Destruction: Any unused parts of an ampoule should be experienced and ruined according to hospital protocols.

FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK

Q1: Is Sublimaze the same as Fentanyl?

Yes. Medic Store GB is merely the trademark name for the generic drug fentanyl citrate. In many UK clinical settings, the terms are utilized interchangeably, though the generic name is preferred in modern recommending to prevent errors.

Q2: How quickly does an injection of fentanyl work?

When offered intravenously, its impacts can be felt nearly instantly, peaking within 3 to 5 minutes. Its analgesic duration is relatively brief, typically long lasting 30 to 60 minutes.

Q3: Can fentanyl injection be used in the house?

No. Fentanyl citrate injection is strictly an “in-hospital” medication. For home use (e.g., in palliative care), fentanyl is typically recommended as transdermal spots (e.g., Duragesic or Matrifen) or as lozenges/nasal sprays for advancement discomfort.

Q4: What happens if a patient is offered too much fentanyl?

An overdose results in serious breathing anxiety, identify students, 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, substantially. Fentanyl is approximately 80 to 100 times more powerful than morphine by weight. This means 100 micrograms (0.1 mg) of fentanyl is approximately comparable to 10mg of morphine.

Fentanyl citrate stays a cornerstone of the UK’s acute medical care system. Whether branded as Sublimaze or offered as a generic solution from companies like Accord or Hameln, its function in allowing complex surgical treatments and handling extreme discomfort is vital. Nevertheless, its effectiveness requires a high level of watchfulness, stringent legal controls, and specialist administration. By comprehending the brands and the medicinal profile of this effective opioid, health care suppliers can ensure it is used securely and effectively to enhance patient outcomes.

Disclaimer: This short article is for informative functions just and does not make up medical guidance. For scientific assistance, please refer to the British National Formulary (BNF) or consult a qualified medical professional.