This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anaesthesia
Which muscle relaxant increases intracranial pressure? 
Select and explain. 
A. Mivacurium, B. Atracurium, C. Suxamethonium, D. Vecuronium
C: Suxamethonium
Answer: C: Suxamethonium 
Explanation: (C) Suxamethonium # Suxamethonium chloride (Succinylcholine, Sscoline, or colloquially as Suxa) is a medication widely used in emerger cy medicine and anesthesia to induce muscle relaxation, usually to make endotracheal intubation possible> Side effects:> Side effects include muscle pains, acute rhabdomyolysis with hyperkalemia, transient ocular hypertension and increased ICT, constipation and changes in cardiac rhythm including bradycardia, cardiac arrest, and ventricular dysrhythmias.> In patients with neuromuscular disease or burns, a single injection of suxamethonium can lead to massive release of potassium from skeletal muscles with cardiac arrest.