Venlafaxine (Effexor) an antidepressant (mood elevator), is used to treat depression. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Tablet/Capsules Chemical Name: VENLAFAXINE ( VEN-la-fax-een) Possible Uses of This Medication This medicine is an antidepressant used to treat depression. More info... Before using 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. More info... How to take this medication Follow the directions for using this medicine provided by your doctor. More info... Cautions DO NOT STOP TAKING THIS MEDICINE without first checking with your doctor. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. More info... Possible side effects SIDE EFFECTS, that may go away during treatment, include drowsiness, dizziness, weakness, nausea, decreased appetite, dry mouth, constipation, change in sexual function, increased sweating, nervousness, or tremor. More info... Drug interactions Drug interactions can result in unwanted side effects or prevent a medicine from doing its job.Inform your doctor about all the medicines you take with and without a prescription. Missed Dose IF YOU MISS A DOSE OF THIS MEDICINE and you are taking 1 dose daily, take the missed dose if you remember the same day. More info... Storage Store at room temperature away from sunlight and moisture. More info... Other Information DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. More info...