Your doctor will prescribe Effexor with caution if you have high blood pressure, heart, liver, or kidney disease or a history of seizures or mania (extreme agitation or excitability). (See "Most important fact about this drug.") Also avoid this drug if it has ever given you an allergic reaction. Never take Effexor while taking other drugs known as MAO inhibitors. If you develop any new or unusual problems, let your doctor know about it. Less common side effects may include: Abnormal taste, abnormal thinking, agitation, chest pain, confusion, decreased sex drive, depression, dilated pupils, dizziness upon standing up, high blood pressure, itching, loss of identity, rapid heartbeat, ringing in the ears, trauma, twitching, urinary problems, weight lossĪ wide variety of very rare symptoms possibly related to Effexor have also been reported. More common Effexor XR side effects may include: Abnormal dreams, abnormal ejaculation or orgasm, anxiety, appetite loss, blurred vision, chills, constipation, diarrhea, dizziness, dry mouth, frequent urination, flushing, gas, headache, impotence, infection, insomnia, muscle tension, nausea, nervousness, rash, sleepiness, sweating, tingling feeling, tremor, upset stomach, vomiting, weakness, yawning
Only your doctor can determine if it is safe for you to continue taking Effexor. If any develop or change in intensity, tell your doctor as soon as possible. What side effects may occur with Effexor XR? Protect from excessive heat and moisture. Store in a tightly closed container at room temperature. Skip the missed dose and continue with your next scheduled dose. Take Effexor XR once at the same time each day. Your doctor should check your progress periodically. It may take several weeks before you begin to feel better. Take Effexor with food, exactly as prescribed. Also, allow at least 7 days between the last dose of Effexor and the first dose of an MAO inhibitor. Never take Effexor with one of these drugs and do not begin therapy with Effexor within 14 days of discontinuing treatment with one of them. Serious, sometimes fatal reactions have occurred when Effexor is used in combination with other drugs known as MAO inhibitors, including the antidepressants Nardil and Parnate. The extended-release form, Effexor XR, permits once-a-day dosing. This problem is marked by persistent anxiety for a period of at least 6 months, accompanied by at least 3 of these 6 symptoms: restlessness, fatigue, poor concentration, irritability, muscle tension, and sleep disturbances.Įffexor must be taken 2 or 3 times daily. The symptoms usually include changes in appetite, sleep habits, and mind/body coordination, decreased sex drive, increased fatigue, feelings of guilt or worthlessness, difficulty concentrating, slowed thinking, and suicidal thoughts.Įffexor XR is also prescribed to relieve abnormal anxiety ( generalized anxiety disorder).
#VENLAFAXINE TAKE AS NEEDED FULL#
Generic name: Venlafaxine hydrochlorideĮffexor (venlafaxin) XR Full Prescribing Information Why is Effexor XR prescribed?Įffexor is prescribed for the treatment of depression-that is, a continuing depression that interferes with daily functioning. Find out why Effexor XR is prescribed, Effexor XR side effects, Effexor XR warnings, effects of Effexor XR during pregnancy, more - in plain English.
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