AI Overview
Common venlafaxine (Effexor) side effects include
nausea, dizziness, insomnia, dry mouth, sweating, and sexual dysfunction (decreased libido, erectile dysfunction). These are often mild and subside within 1–2 weeks. Serious risks include high blood pressure, serotonin syndrome, bleeding, seizures, and withdrawal symptoms.
Common Side Effects
Many people experience side effects in the first few weeks as the body adjusts to the medication.