109 • Carbamazepin (medicin mod epilepsi og kramper) • Phenobarbital (medicin mod alvorlig søvnløshed og krampeanfald) • Sekalealkaloider (f. eks. ergotamin, dihydroergotamin, som bruges mod migræne) • Sirolimus (anvendes hos transplanterede patienter) • Ritonavir (medicin mod HIV) i doser på 400 mg og derover 2 gange dagligt • Perikon (naturmedicin).
 Terfenadine (used for allergy)  Astemizole (used for allergy)  Cisapride (used for stomach problems)  Pimozide (used for treating mental illness)  Quinidine (used for irregular heart beat)  Rifampicin (used for treating tuberculosis)  Carbamazepine (used to treat seizures) 109  Phenobarbital (used for severe insomnia and seizures)  Ergot alkaloids (e. g. ergotamine, dihydroergotamine; used for migraine)  Sirolimus (used in transplant patients)  Ritonavir (used for treating HIV) in doses of 400mg and more twice daily  St John’ s Wort (herbal supplement)