WARNING: ANTIDEPRESSANTS MAY INCREASE THE RISK OF SUICIDAL THOUGHTS OR ACTIONS in children, teenagers, and young adults. However, depression and certain other mental problems may also increase the risk of suicide. Talk with the patient's doctor to be sure that the benefits of using this medicine outweigh the risks. Family and caregivers must closely watch patients who take this medicine. It is important to keep in close contact with the patient's doctor. Tell the doctor right away if the patient has symptoms like worsened depression, suicidal thoughts, or changes in behavior. Discuss any questions with the patient's doctor. Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are taking or have taken linezolid, selegiline, St. John's wort, or a monoamine oxidase inhibitor (MAOI) (such as phenelzine) within the last 14 days. DO NOT TAKE THIS MEDICINE if you are also taking a fenfluramine derivative (such as dexfenfluramine), nefazodone, sibutramine, or tryptophan. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking anticoagulants (such as warfarin), aspirin, certain diet medicines (such as phentermine), lithium, metoclopramide, rasagiline, serotonin specific reuptake inhibitors (SSRIs) (such as fluoxetine), serotonin and norepinephrine reuptake inhibitors (SNRIs) (such as duloxetine), 5-HT1 receptor agonists (such as sumatriptan), tramadol, trazodone, tricyclic antidepressants (such as amitriptyline), nonsteroidal anti-inflammatory agents (NSAIDs) (such as ibuprofen), diuretics (such as furosemide or hydrochlorothiazide), cimetidine, ketoconazole, cyproheptadine, aripiprazole, haloperidol, phenothiazines (such as chlorpromazine or thioridazine), risperidone, or a medicine that contains methylene blue. DO NOT START OR STOP any medicine without doctor or pharmacist approval. TELL YOUR DOCTOR if you will be having electroconvulsive therapy (ECT). Inform your doctor of any other medical conditions, including dehydration, low blood sodium levels, alcohol use, or a history of seizures, heart problems (such as heart failure, irregular heartbeat), abnormal ECG, recent heart attack, high blood pressure, overactive thyroid, liver or kidney problems, lung problems, stomach or bowel bleeding, blood or bleeding problems, increased eye pressure (such as glaucoma), nervous system problems, metabolism problems, allergies, pregnancy, or breast-feeding. Inform your doctor if you or a family member have a history of bipolar disorder (manic depression), other mental or mood problems, suicidal thoughts or attempts, or alcohol or substance abuse. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.