Thiopen Injection 1 gm/vial contains Thiopental Sodium, an ultra-short-acting barbiturate used primarily for the induction of general anesthesia and short-term sedation in medical and surgical settings. It provides rapid onset of unconsciousness, making it ideal for induction prior to inhalational anesthesia, short surgical procedures, or emergency sedation.

Thiopental Sodium works by enhancing gamma-aminobutyric acid (GABA) activity in the central nervous system, which produces sedation, hypnosis, and a reduction in neuronal excitability. Its high potency and rapid action allow precise control over anesthesia induction.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Indications

Thiopen Injection is indicated for:

• Induction of general anesthesia before surgery
• Short-term sedation in intensive care units
• Emergency management of status epilepticus when other treatments fail
• Management of elevated intracranial pressure under careful monitoring

Mechanism of Action

Thiopental Sodium enhances GABA-A receptor activity in the brain, resulting in:

• Increased chloride ion influx into neurons
• Suppression of central nervous system activity
• Rapid onset of sedation or anesthesia

Its ultra-short duration allows for predictable recovery and precise control during procedures.

Dosage and Administration

• Administered intravenously under strict medical supervision.
• Adult induction dose: 3–5 mg/kg, adjusted according to patient’s age, weight, and clinical condition.
• Pediatric and elderly doses should be carefully calculated to prevent over-sedation.
• Continuous monitoring of vital signs, including blood pressure, heart rate, oxygen saturation, and respiratory function, is mandatory.
• Emergency resuscitation equipment must be available during administration.

Benefits

• Rapid onset of anesthesia, typically within seconds
• Short duration allows quick recovery and patient turnover
• Effective in emergency sedation and induction of anesthesia
• Provides precise and controllable sedation under monitored conditions
• Useful in controlling seizures during emergency situations

Side Effects

Common side effects may include:

• Respiratory depression
• Hypotension or transient low blood pressure
• Prolonged sedation
• Nausea and vomiting

Serious but rare side effects:

• Severe cardiovascular collapse
• Allergic reactions including anaphylaxis
• Laryngospasm or airway obstruction
• Prolonged respiratory depression requiring intervention

Immediate medical attention is required for severe reactions.

Precautions and Warnings

• Only trained healthcare professionals should administer Thiopen Injection.
• Continuous monitoring of cardiovascular and respiratory function is essential.
• Use with caution in patients with cardiovascular, hepatic, or renal impairment.
• Contraindicated in patients with known hypersensitivity to barbiturates.
• Not intended for long-term sedation due to risk of accumulation and respiratory depression.
• Use in pregnancy and breastfeeding only under specialist supervision.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Drug Interactions

Thiopen Injection may interact with:

• CNS depressants (e.g., opioids, benzodiazepines, alcohol)
• Antihypertensive drugs (may increase risk of hypotension)
• Enzyme-inducing drugs affecting metabolism of barbiturates

Always inform the healthcare provider of all medications and supplements being taken.

Storage

• Store below 25°C in a cool, dry place
• Protect from light
• Keep the vial tightly closed
• Keep out of reach of children
• Use immediately after reconstitution; discard any unused portion.