Nearly 120 people have received prescriptions to treat opioid addictions in Kerry so far this year.
Opioids are a class of drugs, which includes the illegal drug heroin and legally-available pain relievers such as oxycodone.
Nationally, more than 7,600 people received opioid-substitution treatment in the first six months of this year.
According to Newstalk, the majority of cases are used to treat heroin addictions.
The main treatment for opioid addiction involves methadone and the drug buprenorphine.
In Kerry, 119 people – 34 women and 85 men – received a total of over 2,400 prescriptions for opioid substitutions from January to June of this year.
Nationally, there was a 4% increase in the number of people who received opioid-substitution prescriptions when compared to the same time last year.