
lithium and vardenafil both increase QTc interval.
lonafarniblonafarnib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. If coadministration unavoidable, monitor for adverse reactions and reduce CYP3A substrate dose in accordance with product labeling.
| Side Effect | Frequency | Severity |
|---|---|---|
| Headache | Common | Mild to Moderate |
| Flushing | Common | Mild |
| Nasal Congestion | Less Common | Mild |
| Dizziness | Less Common | Mild |
lonafarnib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
gepirone and vardenafil both increase QTc interval. gepotidacingepotidacin increases levels of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. If possible, avoid with sensitive substrates that are are extensively metabolized by CYP3A4 and have a narrow therapeutic index. If unable to avoid, monitor or modify substrate dose according to its prescribing information. gepotidacin increases levels of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
gilteritinib and vardenafil both increase QTc interval. granisetrongranisetron and vardenafil both increase QTc interval. granisetron and vardenafil both increase QTc interval. grapefruitgrapefruit will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. grapefruit will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lopinavirlopinavir 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
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lopinavir 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 ketoconazoleketoconazole will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ketoconazole will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lapatiniblapatinib 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 lapatinib 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 larotrectiniblarotrectinib 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
istradefylline will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. itraconazoleitraconazole will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. itraconazole will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ivacaftorivacaftor 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 ivacaftor will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lumefantrinelumefantrine will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
lumefantrine will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
mavorixaformavorixafor will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
| Region | Approximate Cost | Notes |
|---|---|---|
| North America | $10 - $15 | Generic versions available |
| Europe | €8 - €12 | Brand and pharmacy differences |
| Asia | $2 - $8 | Widely available, varies by country |
| Online Pharmacies | $3 - $10 | Verify authenticity |
Monitor QTc during treatment in patients with risk factors for QTc prolongation (eg, coadministered medications that increase mavorixafor exposure or other drugs with a high risk to prolong the QTc interval).
| Precaution | Explanation | Recommended Action |
|---|---|---|
| Cardiovascular Risk | Risk of sudden cardiac events | Medical evaluation required |
| Vision Disturbances | Rare side effect involving PDE6 | Seek medical attention if occurs |
| Alcohol Consumption | May increase side effects | Limit or avoid consumption |
| Renal Impairment | Alters drug clearance | Dose adjustment possibly needed |
Mavorixafor dose reduction or discontinuation may be required.
Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors imatinib 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 Drugs that are known to prolong the QTc interval may have an increased the risk of ventricular arrhythmias. Drugs that are known to prolong the QTc interval may have an increased the risk of ventricular arrhythmias. Vardenafil dose may need to be reduced if coadministered with moderate or strong CYP3A4 inhibitors isavuconazonium sulfate 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 isoniazidisoniazid 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 lovegra woman strong CYP3A4 inhibitors isoniazid 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 istradefyllineistradefylline will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Istradefylline 40 mg/day increased peak levels and AUC of CYP3A4 substrates in clinical trials. This effect was not observed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates. mavorixafor 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 larotrectinib 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 lenacapavirlenacapavir will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Lencapavir may increase CYP3A4 substrates initiated within 9 months after last SC dose of lenacapavir, which may increase potential risk of adverse reactions of CYP3A4 substrates. lenacapavir will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Limit vardenafil men enhancement pills dose to 2.5 mg/24 lithiumlithium and vardenafil both increase QTc interval. Monitor for adverse effects of sensitive CYP3A4 substrates if coadministered with mavorixafor (a weak CYP3A4 inhibitor).
The risk of QT prolongation may increase in patients with electrolyte abnormalities (such as hypokalemia and hypocalcemia), patients with conditions that have potential to cause electrolyte imbalance (such as renal impairment), or patients taking other drugs affecting electrolyte balance or QT prolongation; avoid this drug in patients with known QT prolongation or ventricular arrhythmias, including a history of torsade de pointes; monitor electrolytes during treatment fosfomycin and vardenafil both increase QTc interval. The risk of QT prolongation may increase in patients with electrolyte abnormalities (such as hypokalemia and hypocalcemia), patients with conditions that have potential to cause electrolyte imbalance (such as renal impairment), or patients taking other drugs affecting electrolyte balance or QT prolongation; avoid this drug in patients with known QT prolongation or ventricular arrhythmias, including a history of torsade de pointes; monitor electrolytes during treatment fosphenytoinfosphenytoin will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosphenytoin will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fostamatinibfostamatinib 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 fostamatinib 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 fostemsavirvardenafil and fostemsavir both increase QTc interval. QTc prolongation reported with higher than recommended doses of fostemsavir. vardenafil and fostemsavir both increase QTc interval. gemifloxacingemifloxacin and vardenafil both increase QTc interval. gemifloxacin and vardenafil both increase QTc interval. methylprednisolone will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
griseofulvingriseofulvin will decrease the level buy blue pill or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. griseofulvin will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. haloperidolhaloperidol and vardenafil both increase QTc interval. haloperidol and vardenafil both increase QTc interval. hydrocortisonehydrocortisone will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
hydrocortisone will decrease the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. hydroxyzinehydroxyzine and vardenafil both increase QTc interval. hydroxyzine and vardenafil both increase QTc interval. ibrexafungerpibrexafungerp 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 imatinibimatinib will increase the level or effect of vardenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.