Rob Campbell said it shows "poor management" and is "frankly irresponsible".
By the time he was seen the next day, the man was nauseous, shaking and needed intravenous antibiotics.
RNZ reports that Te Whatu Ora told hospitals they must "live within our means" and clamp down on staffing costs.
Te Whatu Ora has directed hospitals to cut costs, including banning overtime and not covering for sick staff.
Symptoms included blurred vision, drooping eyelids, dry mouth, slurred speech, shortness of breath, fatigue and weakness.
Motor Neurone Disease NZ will again launch its annual fundraising campaign in June.
They've zeroed in on a rare genetic mutation causing motor neurone disease.
The Resident Doctors' Association, said it issued a strike notice on Monday after pay talks stalled.
People taking the tablet are being warned of significant risks including death.