Efexor Hallucinations - side effects 1 in 100 to 1000

Uncommon (affects 1 to 10 users in 1,000)


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Bruising; black tarry stools (faeces) or blood in stools, which can be a sign of internal bleeding

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Grinding of the teeth; involuntary movement of the muscles

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Hallucinations

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General swelling of the skin especially the face, mouth, tongue, throat area or hands and feet and/or a raised itchy rash (hives) may be present

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Sensitivity to sunlight; abnormal hair loss; rash

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Impaired coordination and balance; feeling dizzy (particularly when standing up too quickly), fainting, fast heartbeat

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Weight gain; diarrhoea

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Altered taste sensation

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Lack of feeling or emotion; agitation

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Ringing in the ears (tinnitus)

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Inability to pass urine;

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Abnormal orgasm (females)
 
source - http://www.medicines.org.uk/EMC/medicine/8609/XPIL/Efexor+XL/