Atracurium besilate

Atracurium besilate is a medication used in anesthesia to induce muscle relaxation. It is a non-depolarizing neuromuscular blocker and is administered intravenously.

Pharmacology

Atracurium besilate works by blocking the action of acetylcholine on the neuromuscular junction, thereby inhibiting the transmission of nerve impulses and causing muscle relaxation. It is a competitive antagonist of acetylcholine at the neuromuscular junction.

Uses

Atracurium besilate is used in anesthesia to facilitate endotracheal intubation and to provide skeletal muscle relaxation during surgery or mechanical ventilation.

Side Effects

Possible side effects of atracurium besilate include hypotension, tachycardia, bronchospasm, and skin reactions. In rare cases, it can cause severe allergic reactions.

Contraindications

Atracurium besilate is contraindicated in patients with known hypersensitivity to the drug. It should be used with caution in patients with neuromuscular diseases, severe cardiovascular disease, or severe electrolyte disturbances.

Interactions

Atracurium besilate may interact with other drugs such as antibiotics, magnesium salts, lithium, local anesthetics, quinidine, and certain other neuromuscular blockers.

Dosage and Administration

The dosage of atracurium besilate is individualized and should be adjusted according to the patient's response and the duration of the procedure. It is administered intravenously, either as a bolus injection or as a continuous infusion.

See Also

• Neuromuscular-blocking drug
• Anesthesia
• Acetylcholine

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