New figures from the Health Service Executive show the number of children waiting over five months for an inpatient or day care procedure has increased by around 40% in the first four months of the year.
In total there were 930 children waiting more than five months.
The figures also reveal 222,000 more people are going to hospital for outpatient check-ups than was forecast
They show that overall the HSE was running a budget deficit of €107.5m by the end of April, most of which relates to acute hospitals.
They also show there were 325,000 adults waiting for their first consultant led appointment at the end of April.
22,746 people were waiting more than a year for their first appointment with a consultant.
The numbers waiting more than a year stands at 7% of the total compared to 27% during the same period last year.
The HSE had a budget deficit of €107.5m to the end of April. €81.2m or 75.5% of this relates to the acute hospital sector.
Medical card letters sent
The HSE sent out 4,200 letters today to inform people they are getting their discretionary medical cards back.
In total 15,300 people with acute or life-long medical conditions who lost their discretionary medical card, or GP visit card, after an eligibility review between 1 July 2011 and 31 May 2014, are to have them returned.