Medications and Drugs

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GENERIC NAME: VENLAFAXINE SUSTAINED-RELEASE - ORAL (ven-luh-FAX-een)

BRAND NAME(S): Effexor XR

Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage

USES: This medication is an antidepressant (serotonin-norepinephrine reuptake inhibitor type) used in the treatment of depression and anxiety disorders (Generalized Anxiety Disorder, Social Anxiety Disorder) in adults. It works by restoring the balance of natural chemicals (neurotransmitters) in the brain, thereby improving mood and feelings of well-being. Venlafaxine should not be used in children and teenagers due to lack of proven effectiveness in treating depression and anxiety disorders in children. Also, there have been reports of hostility and thoughts of suicide or self-harm occurring in some children using the drug.

HOW TO USE: Take this medication by mouth once a day, exactly as prescribed. Take this medication with food. Swallow the medication whole. Do not crush, break, chew, or place the capsule in water. If you have difficulty swallowing this medication whole, the capsule may be opened and the contents sprinkled onto a spoonful of applesauce and taken as directed. Swallow the mixture immediately. Do not chew the food/medication mixture. Follow each dose with a glass of water to wash the medication down. During the first few days your doctor may gradually increase your dose to allow your body to adjust to the medication. Do not take the medication more often or increase your dose without consulting your doctor. Your condition will not improve any faster but the risk of serious side effects will be increased if you do not follow the directions. Do not stop taking this drug suddenly without your doctor's approval. Your dose may need to be gradually reduced to prevent adverse effects.

SIDE EFFECTS: This medication may initially cause dizziness and nausea as your body adjusts to the medication. Other side effects reported include trouble sleeping, nervousness, sweating, loss of appetite, dry mouth, tremor, blurred vision, constipation, drowsiness, change in sexual ability, or anxiety. If any of these effects persist or worsen, notify your doctor promptly. Notify your doctor immediately if you develop any of these serious effects: rapid or irregular heartbeat, chest pain, severe headache, painful or difficult urination, muscle cramping, unusual or severe mental/mood changes, seizures. Tell your doctor immediately if any of these unlikely but serious side effects occur: black stools, "coffee ground" vomit, easy bruising/bleeding. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.