False about acute aluminum phosphide poisoning

Aluminum (zinc) phosphide or celphos poisoning liberates phosphine gas which inhibits mitochondrial cytochrome oxidase, respiratory chain enzymes and electron transport system. It is a systemic poison and kills most of patients with in 24 hours secondary to cardiovascular collapse due to direct myocardial toxic effect. Esophageal strictures and fistula occur in few survivors (which are already very few) in late stages. So this is late complication of least occurrence (among other options).