. Respiratory centre depression is caused by all except-
Strychnine is a toxic alkaloid that acts as an antagonist of the inhibitory glycine receptor of CNS,thereby producing overstimulation of nervous system. Barbiturates,opioids and gelsemium(yellow jasmine) are potential respiratory centre depressants.
Opium
Strychnine
Barbiturates
Gelsemium
Respiratory system