What side effects may I notice from receiving Venlafaxine?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-anxious
-breathing problems
-confusion
-changes in vision
-chest pain
-confusion
-elevated mood, decreased need for sleep, racing thoughts, impulsive behavior
-eye pain
-fast, irregular heartbeat
-feeling faint or lightheaded, falls
-feeling agitated, angry, or irritable
-hallucination, loss of contact with reality
-high blood pressure
-loss of balance or coordination
-palpitations
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-restlessness, pacing, inability to keep still
-seizures
-stiff muscles
-suicidal thoughts or other mood changes
-trouble passing urine or change in the amount of urine
-trouble sleeping
-unusual bleeding or bruising
-unusually weak or tired
-vomiting

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-change in sex drive or performance
-change in appetite or weight
-constipation
-dizziness
-dry mouth
-headache
-increased sweating
-nausea
-tired

This list may not describe all possible side effects for Venlafaxine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.