Rupahist Rupatadine Fumarate Clarithromycin
MajorCYP3A4 inhibition raises rupatadine levels, with possible QT prolongation.
These medicines can affect each other in a serious way. Do not start taking them together unless your doctor has said it is OK. If you already take both, do not stop either one on your own: speak to your doctor or pharmacist soon.
Clinical management: Use with caution and monitor; prefer an alternative where possible.