Inhalant abuse has become less common in Singapore. Awareness of glue sniffing and its complications has decreased among local physicians. Prolonged toluene exposure can result in renal tubular acidosis, with electrolyte and acid-base derangements, and should be considered in the differential diagnosis of any young patient with unexplained hypokalaemic periodic paralysis and normal anion gap metabolic acidosis. We present a typical case to illustrate the abnormalities and to heighten awareness among emergency physicians who may not have laboratory results on hand when evaluating causes of limb weakness.