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effexor side effects of stopping

Experience with the immediate-release venlafaxine showed that sustained hypertension was dose-related, increasing from 3% to 7% at 100 to 300 mg/day to 13% at doses above 300 mg/day. The reported incidence of each of these effects ranges between 10% and 20% of treated patients. Although these events occurred during treatment with venlafaxine, causality has not been determined. Musculoskeletal Musculoskeletal side effects have included rhabdomyolysis. Musculoskeletal side effects reported in premarketing Phase 3 trials have included arthralgia, arthritis, arthrosis, bone spurs, bursitis, leg cramps, myasthenia, tenosynovitis, bone pain, pathological fracture, muscle cramp, muscle spasms, musculoskeletal stiffness, myopathy, osteoporosis, osteosclerosis, plantar fasciitis, rheumatoid arthritis, effexor side effects of stopping tendon rupture. Although these events occurred during treatment with venlafaxine, causality has not been determined. There have been a minimum of approximately fifteen cases of hyponatremia in effexor side effects of stopping at least one was life threatening, including at least one case of recurrent venlafaxine- induced hyponatremia after rechallenge. A recent short-term study (6 weeks) has reported an average weight loss of 2 to 3 pounds in patients treated with venlafaxine. Numerous cases of hyponatremia have been reported following treatment with a selective serotonin reuptake inhibitor (SSRI). All reported events are included except those already listed in Table 2 and those events for which a drug cause was remote. A case of increased libido and spontaneous erections has also been reported. Although rare, several cases of venlafaxine- induced urinary symptoms including nocturia, enuresis, increased urge/frequency, and incontinence have been reported. ough increased, and dysmenorrhea3. — Incidence less than 1%. 2 Incidence based on number of male patients. 3 Incidence based on number of female patients. Body as a Whole Headache 25% 24%   Asthenia 12% 6%   Infection 6% 5%   Chills 3% —   Chest pain 2% 1%   Trauma 2% 1%         Cardiovascular Vasodilatation 4% 3%   Increased blood pressure/hypertension 2% —   Tachycardia 2% —   Postural hypotension 1% —         Dermatological Sweating 12% 3%   Rash 3% 2%   Pruritus 1% —         Gastrointestinal Nausea 37% 11%   Constipation 15% 7%   Anorexia 11% 2%   Diarrhea 8% 7%   Vomiting 6% 2%   Dyspepsia 5% 4%   Flatulence 3% 2%         Metabolic Weight loss 1% —         Nervous System Somnolence 23% 9%   Dry mouth 22% 11%   Dizziness 19% 7%   Insomnia 18% 10%   Nervousness 13% 6%   Anxiety 6% 3%   Tremor 5% 1%   Abnormal dreams 4% 3%   Hypertonia 3% 2%   Paresthesia 3% 2%   Libido decreased 2% —   Agitation 2% —   Confusion 2% 1%   Thinking abnormal 2% 1%   Depersonalization 1% —   Depression 1% —   Urinary retention 1% —   Twitching 1% —         Respiration Yawn 3% —         Special Senses Blurred vision 6% 2%   Taste perversion 2% —   Tinnitus 2% —   Mydriasis 2% —         Urogenital System Abnormal ejaculation/ orgasm 12%2 —2   Impotence 6%2 —2   Urinary frequency 3% 2%   Urination impaired 2% —   Orgasm disturbance 2%3 —3 Dose Dependency of Adverse Events A comparison of adverse event rates in a fixed-dose study comparing Effexor (venlafaxine hydrochloride) 75, 225, and 375 mg/day with placebo revealed a dose dependency for some of the more common adverse events associated with Effexor use, as shown in the table that follows. Additional data are required to effexor side effects of stopping this finding. Cardiovascular side effects have frequently included vasodilatation, hypertension, palpitation, postural hypotension, and tachycardia. Cardiovascular side effects reported in premarketing Phase 3 trials have included angina pectoris, arrhythmia, bradycardia, extrasystoles, hypotension, peripheral vascular disorder (mainly cold feet and/or cold hands), syncope, effexor side effects of stopping aortic aneurysm, arteritis, first-degree atrioventricular block, effexor side effects of stopping bundle branch block, capillary fragility, cerebral ischemia, coronary artery disease, congestive heart failure, heart arrest, hematoma, cardiovascular disorder (mitral valve and circulatory disturbance), mucocutaneous hemorrhage, myocardial infarct, pallor, and sinus arrhythmia.

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effexor side effects of stopping

You must wait at least 14 days after stopping an MAOI before you can take Effexor. Ask your health care provider any questions you may have about how to use Effexor. Effexor has not been studied in children or adolescents and is not approved for treating anyone less than 18 years old. What else do I need to know about antidepressant medicines? Never stop an antidepressant medicine without first talking to a healthcare provider. Hyponatremia Hyponatremia may occur as a result of treatment with SSRIs and SNRIs, including Effexor. Dosage adjustment is necessary in effexor side effects of stopping hepatically impaired patients (see DOSAGE AND ADMINISTRATION). Patients treated with Effexor tablets for at least 3 months in placebo-controlled 12-month extension trials had a mean final on-therapy increase in total cholesterol of 9.1 mg/dL compared with a decrease of 7.1 mg/dL among placebo-treated patients. Follow the directions on your prescription label. The efficacy of Effexor in maintaining an antidepressant response in patients with recurrent depression who had responded and continued to be improved during an initial 26 weeks of treatment and were then followed for a period of up to 52 weeks was demonstrated in a second placebo-controlled trial (see CLINICAL TRIALS). Venlafaxine and ODV do not possess monoamine oxidase (MAO) inhibitory activity. Laboratory Tests There are no specific laboratory tests recommended. There have been reports of elevated clozapine levels that were temporally associated with adverse events, effexor side effects of stopping seizures, following the addition of venlafaxine. You may report side effexor side effects of stopping to FDA at 1-800-FDA-1088. If you are pregnant or are planning to become pregnant, tell your doctor immediately. Age and Gender A pharmacokinetic analysis of 404 venlafaxine-treated patients from two effexor side effects of stopping effexor side effects of stopping both b.i.d. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you: if you are pregnant, planning to become pregnant, or are breast-feeding if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement if you have allergies to medicines, foods, or other substances if you or a family member has a history of bipolar disorder (manic-depression), other mental or mood problems, suicidal thoughts or attempts, or alcohol or substance abuse if you have a history of seizures, heart problems (eg, heart failure, irregular heartbeat), abnormal electrocardiograms (ECGs), a recent heart attack, high blood pressure, overactive thyroid, liver problems, lung problems, kidney problems, stomach or bowel bleeding, blood or bleeding problems, increased eye pressure (eg, glaucoma), nervous system problems, or metabolism problems if you are dehydrated, have low blood sodium levels, or drink alcohol if you will be having electroconvulsive therapy (ECT) Some MEDICINES MAY INTERACT with Effexor. Abrupt discontinuation or dose reduction of venlafaxine at various doses has been found to be associated with the appearance of new symptoms, the frequency of which increased with increased dose level and with longer duration effexor side effects of stopping treatment. Serotonin syndrome symptoms may include mental status changes (e.g., agitation, hallucinations, coma), autonomic instability (e.g., tachycardia, labile blood pressure, hyperthermia), neuromuscular aberrations (e.g., hyperreflexia, incoordination) and/or gastrointestinal symptoms (see PRECAUTIONS, Drug Interactions). regimens, the drug exposure (AUC) and fluctuation in plasma levels of venlafaxine and ODV were comparable following both regimens. Issue Date: August 4, 2010 Database Edition 10.3.1.002 Copyright © 2010 Wolters Kluwer Health, Inc.