crofelemercrofelemer increases levels of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors chloramphenicolchloramphenicol will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors chloramphenicol will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors cimetidinecimetidine will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cimetidine will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ECG monitoring is recommended, along with drugs that may prolong the QT interval. Crofelemer has the potential to
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inhibit CYP3A4 at concentrations expected
St John's WortSt John's Wort will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. St John's Wort will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. terazosinvardenafil increases effects of terazosin by pharmacodynamic synergism. vardenafil increases effects of terazosin by pharmacodynamic synergism. tetrabenazinetetrabenazine and vardenafil both increase QTc interval.
tetrabenazine and vardenafil both increase QTc interval. tovorafenibtovorafenib will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid coadministration of tovorafenib (a weak CYP3A4 inducer) with CYP3A substrates where minimal concentration changes may lead to serious therapeutic failures. If unavoidable, monitor patients for loss of efficacy unless otherwise recommended in the CYP3A4 substrate prescribing information. tovorafenib will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
tucatinibtucatinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid concomitant use of tucatinib with CYP3A substrates, where minimal concentration changes may lead to serious or life-threatening toxicities. If unavoidable, reduce CYP3A substrate dose according to product labeling. tucatinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Exercise extreme caution when vilanterol coadministered with drugs that prolong QTc interval; adrenergic agonist effects on the cardiovascular system may be potentiated. in the gut; unlikely to
inhibit systemically because minimally absorbed.
Vardenafil dose may need to be reduced
| Side Effect | Frequency | Severity | Management |
|---|---|---|---|
| Headache | Common | Mild | Over-the-counter analgesics |
| Flushing | Common | Mild | Cooling measures |
| Nasal congestion | Less common | Mild | Symptomatic relief |
| Dizziness | Less common | Mild | Avoid driving or operating heavy machinery |
if coadministered with moderate
Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors cortisonecortisone will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cortisone will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. crizotinibcrizotinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Dose reduction may be needed for coadministered drugs that are predominantly metabolized by CYP3A. crizotinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. or strong CYP3A4 inhibitors.
vardenafil increases toxicity of umeclidinium bromide/vilanterol inhaled by QTc interval. Concomitant use of vemurafenib with drugs that prolong QT interval is not recommended. vilanterol/fluticasone furoate inhaledvardenafil increases toxicity of vilanterol/fluticasone furoate inhaled by QTc interval. vardenafil increases toxicity of vilanterol/fluticasone furoate inhaled by QTc interval. Avoid coadministration of ziftomenib with other drugs known to prolong the QTc interval.
If unavoidable, obtain ECGs when initiating, during concomitant use, and as clinically indicated. Interrupt ziftomenib with QTc interval > 500 ms or a change from baseline is > 60 ms vardenafil and ziftomenib both erectile dysfunction tablets uk increase QTc interval. Interrupt ziftomenib with QTc interval > 500 ms or a change from baseline is > 60 ms zotepinevardenafil increases effects of zotepine by pharmacodynamic synergism. vardenafil increases effects of zotepine by pharmacodynamic synergism. adagrasibadagrasib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors adagrasib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors alfuzosinvardenafil and alfuzosin both increase QTc interval. Use Caution/Monitor.alfuzosin and vardenafil both increase QTc interval. vardenafil and alfuzosin both increase QTc interval. Monitor blood pressure response to phosphodiesterase type 5 (PDE5) inhibitors in patients receiving concurrent blood pressure lowering therapy. crofelemer increases levels of vardenafil
clarithromycinclarithromycin will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Limit vardenafil dose to 2.5 mg/24 hr clozapineclozapine and vardenafil both increase QTc interval. clozapine and vardenafil both increase QTc interval. cobicistatcobicistat will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors conivaptan will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
amiodaroneamiodarone will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors amiodarone will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors apomorphineapomorphine and vardenafil both increase QTc interval. apomorphine and vardenafil both increase QTc interval. aprepitantaprepitant will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors aprepitant will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors aripiprazolearipiprazole and vardenafil both increase QTc interval. aripiprazole and vardenafil both increase QTc interval. armodafinilarmodafinil will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. armodafinil will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
artemether/lumefantrineartemether/lumefantrine will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. artemether/lumefantrine will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. asenapinevardenafil increases effects of asenapine by pharmacodynamic synergism. vardenafil increases effects of asenapine by pharmacodynamic synergism. atazanaviratazanavir will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cyclosporinecyclosporine will increase the level or effect
of vardenafil by affecting
| Form | Strengths | Notes |
|---|---|---|
| Vardenafil tablets | 10 mg, 20 mg | Most common doses |
| Orally disintegrating tablets | 10 mg, 20 mg | Alternative for easier administration |
| Liquid suspension | Not widely available | Under research or off-label use |
hepatic/intestinal enzyme CYP3A4 metabolism.
Limit vardenafil dose to 2.5 mg/24 hr atomoxetineatomoxetine and vardenafil both increase QTc interval. atomoxetine and vardenafil both increase QTc interval. bedaquilinevardenafil and bedaquiline both increase QTc interval. vardenafil and bedaquiline both increase QTc interval. Either increases effects of the other by Mechanism: pharmacodynamic synergism.
bicalutamidebicalutamide will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors bicalutamide will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors bosentanbosentan will decrease the lovegra women level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. bosentan will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. budesonidebudesonide will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
budesonide will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. butalbitalbutalbital will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. butalbital will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ceritinibceritinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors ceritinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.