Not seen in serotonin withdrawal is?

Flushing REF: Harrison 17th ed t-e-35-4 "Flushing is seen in serotonin toxicity and not withdrawal" Serotonin withdrawal: Symptoms described as "brain zaps", "brain shocks", "brain shivers", "head shocks", or "cranial zings" are a withdrawal symptom experienced during discontinuation (or reduction of dose) of antidepressant drugs. The symptoms are widely variable in description and of unknown etiology;t91 common descriptions include dizziness, electric shock-like sensations, sweating, nausea, insomnia, tremor, confusion, nightmares, and veigo