How should you take this medication?

• Effexor is taken by mouth, with food, exactly as prescribed by your healthcare professional.
   
• Take this medication with a full glass of water.

• It may take 4 weeks or more for your symptoms improve. For best results, keep using the medication as directed. Do not stop using effexor without first talking to your doctor.

General Precautions with Effexor

• Before using this medication, tell your doctor or pharmacist your medical history, especially of: history or family history of psychiatric disorders, bleeding problems, dehydration, glaucoma, heart problems, high cholesterol, kidney disease, liver disease, seizures, or thyroid problems, also tell your doctor if you have ever had any unusual or allergic reaction to venlafaxine.
   
• Effexor may cause drowsiness, dizziness, or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Effexor.
   
• Avoid drinking alcohol, which can increase some of the side effects of Effexor. Using too much of this medicine in addition to drinking alcohol can cause death.
   
• This medication should be used only when clearly needed during pregnancy.

What are the possible side effects of Effexor?

• An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling (especially of the face, lips, tongue, or throat), severe dizziness, or difficulty breathing.
   
• Check with your doctor as soon as possible if any of the following side effects occur : Blurred vision, change in sexual function, constipation; decreased appetite, dizziness, drowsiness, dry mouth, headache, nausea; nervousness, weakness.