Who should not take Effexor
A contraindication is a condition under which Effexor (Venlafaxine) should not be taken because the risk outweighs the benefit. Effexor has both absolute contraindications (do not use) and relative cautions (use only after careful review). This page summarises both at the 37.5mg, 75mg, 150mg dosing range.
Absolute contraindications
According to the prescribing information for Venlafaxine, absolute contraindications typically include severe allergic reactions to the active ingredient or excipients, severe hepatic or renal impairment, certain cardiovascular conditions, and concurrent use of specific interacting medications. The exact list depends on the molecule and is detailed in the official label.
Relative cautions
Relative cautions are situations where Effexor can be used but with extra monitoring, dose reduction or alternative considered. These often include mild-to-moderate organ impairment, age extremes, multiple comorbidities, and complex medication regimens. Effexor inhibits the reuptake of both serotonin and norepinephrine at the synapse.
Frequently asked questions
Can someone with heart disease take Effexor? ▾
Some forms of heart disease are absolute contraindications for Effexor, particularly with nitrate use or recent cardiovascular events. Stable, well-controlled cardiovascular disease may allow Effexor use under specialist supervision. The prescribing information for Venlafaxine should be reviewed.
Is Effexor safe with kidney problems? ▾
Mild to moderate kidney impairment usually allows Effexor at adjusted lower 37.5mg, 75mg, 150mg doses. Severe kidney failure is often a contraindication or requires substantial dose reduction. The prescriber decides based on lab results and concurrent medications.
More on Effexor
- With alcoholEffexor and alcohol — is it safe to drink?
- With foodShould Effexor be taken with food?
- Side effectsEffexor side effects: common, rare and warning signs
- Dosage guideEffexor dosage guide: how much to take and when
- OnsetHow fast does Effexor start working?
- DurationHow long does Effexor last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.