With panic disorder experience repeated episodes of intense fear. You may continue to take Paxil for as long as your doctor advises. Research has shown that depression and anxiety disorders could be linked to a chemical imbalance in the brain. Do not take Paxil without first talking to your doctor if you experience headache nervousness, or anxiety nausea, diarrhea, or changes in appetite or weight. Paxil was approved by the for use as an inhibitor in the amount of serotonin available for receiver nerve cells. If you are pregnant or could become pregnant during treatment. Alcohol may increase drowsiness or dizziness while taking Paxil. Presently, serotonin-enhancing drugs are the therapeutic regimens for those who are suspect of having a depressed state or mood disorder.