Drug Interactions Database

3916 interactions from BNF 85 - Check your medicines

Source: BNF 85
trimethoprim lamivudine

increases exposure

Unknown Study
trimethoprim meglitinides

increases exposure

Unknown Study
trimethoprim mercaptopurineinrenaltransplantpatients

increases risk of haematologicaltoxicity

Unknown Theoretical
trimethoprim phenytoin

increases concentration

Unknown Study
trimethoprim repaglinide

increases exposure

Unknown Study
trimethoprim sapropterin

decreases efficacy

Unknown Theoretical
triptans ergotamine

increases risk of vasoconstriction

Unknown Theoretical
tryptophan levodopa

decreases concentration

Unknown Study
vaborbactam betablockers,selective

increases concentration

Unknown Theoretical
vaborbactam metoprolol

increases concentration

Unknown Theoretical
vaborbactam venlafaxine

increases concentration

Unknown Theoretical
valaciclovir aminophylline

increases exposure

Unknown Anecdotal
valaciclovir herpes-zostervaccine

decreases efficacy

Unknown Theoretical
valaciclovir herpes-zostervaccine,live

decreases efficacy

Unknown Theoretical
valaciclovir live

decreases efficacy

Unknown Theoretical
valaciclovir livevaccines

decreases efficacy

Unknown Theoretical
valaciclovir theophylline

increases exposure

Unknown Theoretical
valproate antipsychotics,secondgeneration

increases risk of adverseeffects

Unknown Study
valproate bupropion

increases exposure

Unknown Study
valproate nortriptyline

increases concentration

Unknown Study
valproate olanzapine

increases risk of adverseeffects

Unknown Study
valproate selexipag

increases exposure

Unknown Theoretical
valproate sodiumoxybate

increases exposure

Unknown Study
valproate sodiumphenylbutyrate

decreases effects

Unknown Anecdotal
valproate tricyclicantidepressants

increases concentration

Unknown Study
vandetanib afatinib

increases exposure

Unknown Study
vandetanib aliskiren

increases exposure

Unknown Study
vandetanib antihistamines,non-sedating

increases exposure

Unknown Study
vandetanib apixaban

increases exposure

Unknown Theoretical
vandetanib berotralstat

increases exposure

Unknown Study
vandetanib colchicine

increases exposure

Unknown Study
vandetanib dabigatran

increases exposure

Unknown Study
vandetanib digoxin

increases exposure

Unknown Study
vandetanib docetaxel

increases exposure

Unknown Theoretical
vandetanib erlotinib

increases exposure

Unknown Theoretical
vandetanib everolimus

increases exposure

Unknown Study
vandetanib fexofenadine

increases exposure

Unknown Study
vandetanib gilteritinib

increases exposure

Unknown Theoretical
vandetanib loperamide

increases exposure

Unknown Study
vandetanib nintedanib

increases exposure

Unknown Study
vandetanib oral

increases exposure

Unknown Theoretical
vandetanib paclitaxel

increases exposure

Unknown Study
vandetanib relugolix

increases exposure

Unknown Study
vandetanib rimegepant

increases exposure

Unknown Theoretical
vandetanib sirolimus

increases exposure

Unknown Study
vandetanib talazoparib

increases exposure

Unknown Study
vandetanib taxanes

increases exposure

Unknown Theoretical
vandetanib thrombininhibitors

increases exposure

Unknown Study
vandetanib tigecycline

increases exposure

Unknown Anecdotal
vandetanib topotecan

increases exposure

Unknown Study
Important: This database uses data from the British National Formulary (BNF 85). It is for informational purposes only and is not a substitute for professional medical advice.