Interaction Checker
Thursday 18 December 2025
This month has seen the addition of three new comedications, the updating of seven Prescribing Resources and two comedications being moved to more appropriate classes.
New Comedications
Three synthetic cathinones (mephedrone, methylone, monkey dust) have been added to the Illicit/Recreational class of comedications
Updated Prescribing Resources
The following documents have been updated in the Prescribing Resources section of the website:
♦ Evaluating the interaction risk of COVID-19 therapies
♦ Treatment Selector for Key COVID-19 Therapies
♦ At-a-glance summary of interactions with COVID-19 antiviral therapies.
♦ At-a-glance summary of interactions with COVID-19 host-directed therapies.
♦ Administration in cases of swallowing difficulties.
♦ Dose recommendations for patients with renal impairment
♦ Dose recommendations for patients with hepatic impairment
Moved Comedications
Interferon beta has been moved from Other to Immune Modulators
Midodrine has been moved from Hypertension / Heart Failure Agents to Other