He was speaking to the media after the end of the fourth day of the second Test against the West Indies today (02).
Mathews was the No. 9 batsman in Sri Lanka's second innings today.
Speaking to the media this afternoon, Dimuth stressed that he believes that Mathews' injury will be cured in a short time.
He also said he was not fully aware of his medical records.
The Lanka Premier League is scheduled to start on the 5th of this month.