effexor and tremors
The frequencies presented, therefore, represent the proportion of the 5356 patients exposed to multiple doses of either formulation of venlafaxine who experienced an event of the type cited on at least one occasion while receiving venlafaxine. Although these events occurred during treatment with venlafaxine, causality has not effexor and tremors determined.
One case of anasarca was reported in a patient receiving venlafaxine. Although these events occurred during treatment with venlafaxine, causality has not been determined.
Psychiatric
Psychiatric side effects have included effexor and tremors hallucinations, hypomania, and mania.
Psychiatric side effects reported in premarketing Phase 3 trials have included emotional lability, delusions, euphoria, hallucinations, manic reaction, psychosis, suicidal ideation, abnormal/changed behavior, homicidal ideation, paranoid reaction, and psychotic depression. 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. Hyponatremia tends to develop within the first few weeks of treatment (range 3 to 120 days) and typically resolves within 2 weeks (range 48 hours to 6 weeks) after therapy has been discontinued with some patients requiring treatment. The same study reported an increase in the average pulse rate of effexor and tremors to 4.5 beats per minute.
Another study (n=7) suggests that venlafaxine may promote adverse cardiovascular and cerebrovascular events by increasing platelet activity in susceptible patients.
An increase in heart rate of 4 beats per minute has been reported.
According to a retrospective review, in the overdose effexor and tremors (up to 3 g of venlafaxine), tachycardia, hypertension, mydriasis, QTc prolongation, and transient arrhythmia can be expected. Risk factors for the development of SSRI- associated hyponatremia including advanced age, female gender, concomitant use of diuretics, low body weight, and lower baseline serum sodium levels have been identified. Tachycardia and QTc prolongation appear to occur in a dose-dependent manner.
In one case report, venlafaxine (75 mg 3 times/day) may have effexor and tremors to an elevation in defibrillation threshold in a patient with nonischemic cardiomyopathy effexor and tremors an implantable effexor and tremors defibrillator. Although these events occurred during treatment with venlafaxine, causality has not been determined.
One case of anasarca was reported in a patient receiving venlafaxine. Although these events occurred during treatment with venlafaxine, causality has not effexor and tremors determined.
Hematologic
Hematologic side effects have included have frequently included abnormal bleeding (most commonly ecchymosis).
Hematologic side effects reported in premarketing Phase 3 trials have included anemia, leukocytosis, leukopenia, lymphadenopathy, thrombocythemia, basophilia, increased bleeding time, cyanosis, eosinophilia, lymphocytosis, multiple myeloma, purpura, and thrombocytopenia. Some effexor and tremors these drugs (i.e., bupropion, effexor and tremors nefazodone, trazodone, effexor and tremors appear to have a modest or minimal effect on REM sleep.
Cardiovascular
There are reports of sustained hypertension (some requiring immediate treatment). The same study reported an increase in the average pulse rate of 1.1 to 4.5 beats per minute.
Another study (n=7) suggests that venlafaxine may promote adverse cardiovascular and cerebrovascular events by increasing platelet activity in susceptible patients.
An increase in heart rate of 4 beats per minute has been reported.
According to a retrospective review, in the overdose setting (up to 3 g of venlafaxine), tachycardia, hypertension, mydriasis, QTc prolongation, and transient arrhythmia can be expected. All reported events are included except those already listed in effexor and tremors 2 and those events for which a drug cause was remote. The manufacturer recommends that therapy be discontinued in patients who develop seizures.
The impact of venlafaxine on pain summation may indicate a potential analgesic effect for clinical neuropathic pain.
Nearly all selective serotonin reuptake inhibitors, mixed serotonin/norepinephrine reuptake inhibitors, and tricyclic antidepressants cause sleep abnormalities to some extent. Following discontinuation of venlafaxine, symptoms resolved within approximately 72 hours. Symptoms resolved following discontinuation of therapy.
Genitourinary side effects have frequently included male and female sexual dysfunction such as abnormal ejaculation effexor and tremors up to 16% of male patients, decreased libido (13%), impotence (13%), and organic dysfunction (anorgasmia or abnormal orgasm) in up to 8% of female patients.
Genitourinary side effects reported in effexor and tremors Phase 3 trials have included prostatic disorder effexor and tremors enlarged prostate, effexor and tremors prostate irritability), impaired urination, albuminuria, amenorrhea, cystitis, dysuria, hematuria, leukorrhea, menorrhagia, metrorrhagia, nocturia, breast pain, polyuria, urinary incontinence, urinary retention, urinary urgency, vaginal hemorrhage, vaginitis, abortion, anuria, breast discharge, breast engorgement, balanitis, breast enlargement, endometriosis, female lactation, fibrocystic breast, calcium crystalluria, cervicitis, orchitis, ovarian cyst, bladder pain, prolonged erection, gynecomastia (male), hypomenorrhea, mastitis, menopause, oliguria, salpingitis, urolithiasis, uterine hemorrhage, uterine spasm, and vaginal dryness. 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. Following discontinuation of venlafaxine, symptoms resolved within approximately 72 hours. In addition, at least one case of photo-induced telangiectasia has been associated with venlafaxine use.
Other
Other side effects have frequently included asthenia (up to 21%), headache (up to 34%), flu syndrome (6%), and accidental injury (5%).
Other side effects reported in premarketing Phase 3 trials have included edema, hyperacusis, otitis media, parosmia, loss of taste, deafness, labyrinthitis, otitis externa, substernal chest pain, chills, fever, neck pain, face edema, intentional injury, malaise, moniliasis, neck rigidity, pelvic pain, photosensitivity reaction, suicide attempt, appendicitis, bacteremia, carcinoma, and cellulitis.
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