This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Effexor (Venlafaxine) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (876)
Death (38)
Life Threatening Events (29)
Disability (25)
Reports by Reaction Type
Drug Ineffective (90),
Depression (75),
Nausea (66),
Withdrawal Syndrome (66),
Headache (63),
Feeling Abnormal (60),
Malaise (58),
Dizziness (53),
Atrial Septal Defect (52),
Anxiety (51),
Constipation (48),
Maternal Exposure Timing Unspecified (45)
Below are a few examples of reports where side effects / adverse reactions may be related to Effexor (Venlafaxine). For a complete list or a specific selection of reports, please use the links above.
Possible Effexor side effects in male
Reported by a physician from France on 2012-08-27
Patient: male
Reactions: Thrombotic Microangiopathy
Adverse event resulted in: death
Drug(s) suspected as cause:
Albumin (Human)
Indication: Product Used FOR Unknown Indication
End date: 2012-03-06
Bactrim DS
Administration route: Oral
Indication: Prophylaxis
End date: 2012-04-05
Delursan
Administration route: Oral
Indication: Cholestasis
Effexor
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Start date: 2012-03-13
End date: 2012-03-22
Folic Acid
Indication: Vitamin B12 Deficiency
End date: 2012-04-05
Heparin Calcium
Indication: Prophylaxis
End date: 2012-03-21
Levothyroxine Sodium
Indication: Product Used FOR Unknown Indication
Nicardipine HCL
Administration route: Oral
Indication: Hypertension
End date: 2012-04-15
Omeprazole
Indication: Prophylaxis
Phenoxymethyl Penicillin
Administration route: Oral
Indication: Prophylaxis
End date: 2012-03-22
Plitican
Indication: Prophylaxis
Start date: 2012-03-14
End date: 2012-03-19
Sandimmune
Indication: Prophylaxis
Start date: 2012-01-23
End date: 2012-04-04
Solu-Medrol
Indication: Immunosuppression
Tiorfan
Administration route: Oral
Indication: Prophylaxis
End date: 2012-04-25
Tranxene
Administration route: Oral
Indication: Anxiety
Start date: 2012-03-13
End date: 2012-03-16
Valganciclovir
Administration route: Oral
Indication: Prophylaxis
Start date: 2012-03-10
End date: 2012-03-16
Vfend
Indication: Prophylaxis
Zolpidem
Administration route: Oral
Indication: Insomnia
End date: 2012-03-18
Possible Effexor side effects in male
Reported by a physician from France on 2012-08-27
Patient: male
Reactions: Multi-Organ Failure, Thrombotic Microangiopathy
Adverse event resulted in: death
Drug(s) suspected as cause:
Albumin (Human)
End date: 2012-03-06
Clorazepate Dipotassium
Dosage: unknown dose daily
Administration route: Oral
Indication: Anxiety
Start date: 2012-03-13
End date: 2012-03-16
Delursan
Indication: Cholestasis
Effexor
Start date: 2012-03-13
End date: 2012-03-22
Folic Acid
Indication: Vitamin B12 Deficiency
End date: 2012-04-05
Heparin Calcium
Indication: Prophylaxis
End date: 2012-03-21
Levothyroxine Sodium
Indication: Hypothyroidism
Nicardipine HCL
Administration route: Oral
Indication: Hypertension
End date: 2012-04-15
Omeprazole
Indication: Prophylaxis
End date: 2012-05-11
Phenoxymethyl Penicillin
Dosage: 2 m iu daily
Administration route: Oral
Indication: Prophylaxis
End date: 2012-03-22
Plitican
Indication: Prophylaxis
Start date: 2012-03-14
End date: 2012-03-19
Sandimmune
Indication: Prophylaxis
Start date: 2012-01-23
Solu-Medrol
Indication: Immunosuppression
Sulfamethoxazole and Trimethoprim
Administration route: Oral
Indication: Prophylaxis
End date: 2012-04-05
Tiorfan
Administration route: Oral
Indication: Prophylaxis Against Diarrhoea
End date: 2012-04-25
Valganciclovir
Indication: Prophylaxis
Start date: 2012-03-10
End date: 2012-03-16
Vfend
Indication: Prophylaxis
Zolpidem
Administration route: Oral
Indication: Insomnia
End date: 2012-03-18
Other drugs received by patient: Vidaza; Cytarabine; Idarubicin HCL
Possible Effexor side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Withdrawal Syndrome
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in 57 year old female
Reported by a consumer/non-health professional from Colombia on 2012-08-27
Patient: 57 year old female
Reactions: Malaise, Poisoning, Fear, Chills, Depression
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Effexor
Other drugs received by patient: Heipram; Betaloc ZOK ^astra^; Diovan; Catapres
Possible Effexor side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: DRY Mouth, Tooth Disorder
Drug(s) suspected as cause:
Effexor
Dosage: unk
Effexor XR
Dosage: unk
Possible Effexor side effects in 56 year old female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: 56 year old female, weighing 132.0 kg (290.4 pounds)
Reactions: Drug Ineffective, Unresponsive To Stimuli, Disorientation, Somnolence, Fatigue, Sedation, Disturbance in Attention, Sluggishness, Feeling Abnormal
Drug(s) suspected as cause:
Effexor
Dosage: unk
Gabapentin
Dosage: 300 mg, daily
Indication: Diabetic Neuropathy
Start date: 2011-07-01
Gabapentin
Dosage: 600 mg, 3x/day
End date: 2012-03-01
Neurontin
Dosage: unk
Venlafaxine HCL
Dosage: unk
Indication: Diabetic Neuropathy
Start date: 2012-03-01
End date: 2012-05-01
Other drugs received by patient: Lantus; Victoza; Singulair; Hydrochlorothiazide; Ventolin HFA; Lotensin; Novolog; Advair Diskus 100 / 50
Possible Effexor side effects in female
Reported by a lawyer from United States on 2012-08-27
Patient: female, weighing 2.9 kg (6.4 pounds)
Reactions: Developmental Delay, Congenital Anomaly, Maternal Exposure During Pregnancy
Drug(s) suspected as cause:
Effexor
Other drugs received by patient: Chantix; Zofran; Chantix
Possible Effexor side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: female, weighing 65.8 kg (144.7 pounds)
Reactions: Confusional State, Vomiting Projectile, Pain, Abasia, Parinaud Syndrome, Chills, Pyrexia, Pneumothorax, Adverse Event, Injury, Eye Disorder, Hypersomnia, Pneumonia, Pain in Extremity, Stress, Anxiety, Mental Impairment, Insomnia, Sensory Disturbance, Presyncope, Disability, Inflammation
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Baclofen
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Start date: 2011-01-01
End date: 2011-01-01
Duragesic-100
Dosage: 25 ug/hr+12.5 ug/hr
Start date: 2012-05-01
End date: 2012-07-01
Duragesic-100
Start date: 2012-07-01
End date: 2012-01-01
Duragesic-100
Start date: 2012-01-01
End date: 2012-01-01
Duragesic-100
Start date: 2009-01-01
End date: 2011-08-01
Duragesic-100
Indication: Back Injury
Start date: 2011-08-01
End date: 2012-05-01
Duragesic-100
Start date: 2012-01-01
Effexor
Administration route: Oral
Indication: Anxiety
Start date: 2012-06-01
End date: 2012-06-01
Possible Effexor side effects in
Reported by a physician from United States on 2012-08-24
Patient:
Reactions: Hair Colour Changes
Drug(s) suspected as cause:
Effexor
Dosage: unk
Effexor XR
Dosage: unk
Possible Effexor side effects in male
Reported by a health professional (non-physician/pharmacist) from France on 2012-08-24
Patient: male
Reactions: Confusional State, Graft Versus Host Disease, RED Blood Cell Schistocytes Present, Haptoglobin Abnormal, Thrombotic Microangiopathy, Hyperuricaemia, Graft Versus Host Disease in Liver, Multi-Organ Failure, Thrombocytopenic Purpura, Thrombocytopenia, Kussmaul Respiration, Haemolysis, Haematotoxicity, Epstein-Barr Virus Infection, Renal Failure, Renal Impairment, Cytomegalovirus Infection, Nervous System Disorder, Human Herpesvirus 6 Infection
Adverse event resulted in: death
Drug(s) suspected as cause:
Albumin (Human)
Dosage: 20 g, qd
End date: 2012-03-06
Bactrim DS
Dosage: 1 df, qd
Administration route: Oral
Indication: Prophylaxis
End date: 2012-04-05
Delursan
Dosage: 1.5 g, unk
Administration route: Oral
Indication: Cholestasis
Effexor
Administration route: Oral
Start date: 2012-03-13
End date: 2012-03-22
Folic Acid
Indication: Vitamin Supplementation
End date: 2012-04-05
Heparin Calcium
Dosage: 7500 (units unknown), once daily
Indication: Prophylaxis
End date: 2012-03-21
Levothyroxine Sodium
Dosage: 150 ug, qd
Indication: Hypothyroidism
Nicardipine HCL
Dosage: 50 mg, qd
Administration route: Oral
Indication: Hypertension
End date: 2012-04-15
Omeprazole
Indication: Prophylaxis
Phenoxymethyl Penicillin
Dosage: 2 miu, qd
Administration route: Oral
Indication: Prophylaxis
End date: 2012-03-22
Plitican
Indication: Prophylaxis
Start date: 2012-03-14
End date: 2012-03-19
Sandimmune
Indication: Prophylaxis
Start date: 2012-01-23
End date: 2012-04-04
Solu-Medrol
Indication: Immunosuppression
Tiorfan
Dosage: 600 mg, qd
Administration route: Oral
Indication: Prophylaxis Against Diarrhoea
End date: 2012-04-25
Tranxene
Administration route: Oral
Indication: Anxiety
Start date: 2012-03-13
End date: 2012-03-16
Valganciclovir
Dosage: 900 mg, qd
Administration route: Oral
Indication: Prophylaxis
Start date: 2012-03-10
End date: 2012-03-16
Vfend
Dosage: 400 ukn, qd
Indication: Prophylaxis
Zolpidem
Dosage: 10 mg, qd
Administration route: Oral
Indication: Insomnia
End date: 2012-03-18
Other drugs received by patient: Ganciclovir Sodium; Vidaza; Mycophenolate Mofetil (Cellcept)
Possible Effexor side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: male
Reactions: Diabetes Mellitus, Myocardial Infarction
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in 56 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 56 year old female
Reactions: Tremor
Drug(s) suspected as cause:
Effexor
Dosage: unk
Effexor XR
Dosage: unk
Possible Effexor side effects in 54 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 54 year old female, weighing 109.0 kg (239.8 pounds)
Reactions: Agitation, Blood Cholesterol Abnormal, Diabetes Mellitus, Drug Ineffective, Thyroid Disorder
Drug(s) suspected as cause:
Effexor
Dosage: 150 mg, unk
Administration route: Oral
Indication: Depression
Start date: 2004-01-01
Effexor
Dosage: 300 mg (two tablets of 150mg), 2x/day
Administration route: Oral
Effexor
Dosage: 300 mg (two tablets of 150mg), daily
Administration route: Oral
Venlafaxine HCL
Dosage: unk
Indication: Depression
Other drugs received by patient: Calcium; Omeprazole; Hydrochlorothiazide; Aspirin; Vitamin D; Cozaar
Possible Effexor side effects in 54 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 54 year old female, weighing 77.1 kg (169.6 pounds)
Reactions: Neuropathy Peripheral
Drug(s) suspected as cause:
Effexor
Dosage: two tablets of 75 mg, daily
Administration route: Oral
Indication: Depression
Start date: 2005-01-01
Lyrica
Dosage: 100 mg, 2x/day
Indication: Fibromyalgia
Start date: 2005-01-01
Possible Effexor side effects in female
Reported by a lawyer from United States on 2012-08-24
Patient: female
Reactions: Speech Disorder, Cleft LIP and Palate, Foetal Growth Restriction, Foetal Heart Rate Abnormal, Otitis Media Chronic, Gastrooesophageal Reflux Disease
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Bupivacaine HCL
Indication: Foetal Exposure During Pregnancy
Colace
Indication: Foetal Exposure During Pregnancy
Effexor
Indication: Foetal Exposure During Pregnancy
Fentanyl
Indication: Foetal Exposure During Pregnancy
Hydroxyzine
Indication: Foetal Exposure During Pregnancy
Ibuprofen
Indication: Foetal Exposure During Pregnancy
Ibuprofen
Mirtazapine
Indication: Foetal Exposure During Pregnancy
Oxytocin
Indication: Foetal Exposure During Pregnancy
Terbutaline
Indication: Foetal Exposure During Pregnancy
Topamax
Indication: Foetal Exposure During Pregnancy
Trazodone Hydrochloride
Indication: Foetal Exposure During Pregnancy
Zoloft
Indication: Foetal Exposure During Pregnancy
Other drugs received by patient: Multi-Vitamins; Metformin HCL; Risedronate Sodium; Folic Acid; Ferrous Sulfate TAB
Possible Effexor side effects in 44 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 44 year old female, weighing 90.7 kg (199.5 pounds)
Reactions: Oropharyngeal Pain
Drug(s) suspected as cause:
Effexor
Dosage: 75 mg, 1x/day
Administration route: Oral
Indication: Depression
Neurontin
Dosage: 300 mg, 2x/day
Administration route: Oral
Indication: Back Pain
Premarin
Dosage: 0.625 mg, 1x/day
Administration route: Oral
Indication: Hysterectomy
Possible Effexor side effects in 24 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 24 year old female, weighing 47.0 kg (103.4 pounds)
Reactions: Withdrawal Syndrome
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in female
Reported by a lawyer from United States on 2012-08-24
Patient: female
Reactions: Oligohydramnios, Maternal Exposure During Pregnancy, Perineal Laceration, Emotional Disorder, Epilepsy
Drug(s) suspected as cause:
Brethine
Indication: Product Used FOR Unknown Indication
Bupivacaine HCL
Indication: Product Used FOR Unknown Indication
Colace
Indication: Product Used FOR Unknown Indication
Effexor
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Fentanyl
Indication: Product Used FOR Unknown Indication
Hydroxyzine
Dosage: as necessary
Administration route: Oral
Indication: Anxiety
Ibuprofen
Indication: Product Used FOR Unknown Indication
Ibuprofen
Metformin HCL
Administration route: Oral
Indication: Type 2 Diabetes Mellitus
Mirtazapine
Administration route: Oral
Indication: Depression
Oxytocin
Indication: Product Used FOR Unknown Indication
Topamax
Administration route: Oral
Indication: Convulsion
Start date: 2006-09-18
End date: 2006-12-18
Topamax
Administration route: Oral
Indication: Migraine
Start date: 2006-09-18
End date: 2006-12-18
Trazodone Hydrochloride
Administration route: Oral
Indication: Depression
Zoloft
Administration route: Oral
Indication: Antidepressant Therapy
Other drugs received by patient: Folic Acid; Ferrous Sulfate TAB; Risedronate Sodium; Vitamin and Mineral Prenatal Supplement W / Folic Acid CAP
Possible Effexor side effects in 71 year old female
Reported by a physician from United States on 2012-08-23
Patient: 71 year old female, weighing 65.8 kg (144.7 pounds)
Reactions: Appendicitis, White Blood Cell Count Increased
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient: male
Reactions: Drug Ineffective
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-23
Patient:
Reactions: Photosensitivity Reaction, Intraocular Pressure Increased, Hypertension
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in 19 year old female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-21
Patient: 19 year old female, weighing 90.7 kg (199.5 pounds)
Reactions: Personality Change, Nightmare, Gastric Disorder, Suicidal Ideation, Social Avoidant Behaviour, Erosive Oesophagitis, Morbid Thoughts, Depression, Hypertension
Drug(s) suspected as cause:
Chantix
Dosage: 0.5 mg, daily
Administration route: Oral
Indication: Smoking Cessation Therapy
Start date: 2009-01-01
End date: 2009-01-01
Effexor
Dosage: unk
Indication: Depression
End date: 2011-01-01
Possible Effexor side effects in 42 year old male
Reported by a consumer/non-health professional from United States on 2012-08-21
Patient: 42 year old male, weighing 99.8 kg (219.5 pounds)
Reactions: Somnolence
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in 47 year old female
Reported by a consumer/non-health professional from United States on 2012-08-21
Patient: 47 year old female, weighing 68.0 kg (149.7 pounds)
Reactions: Fatigue, Nausea, Drug Ineffective, Dizziness, Headache, Withdrawal Syndrome
Drug(s) suspected as cause:
Cymbalta
Dosage: unk
Administration route: Oral
End date: 2012-01-01
Effexor
Dosage: unk
Administration route: Oral
Indication: Depression
Effexor
Dosage: unk
Administration route: Oral
Indication: Anxiety
Start date: 2012-08-01
End date: 2012-08-14
Other drugs received by patient: Colestid
Possible Effexor side effects in 60 year old female
Reported by a consumer/non-health professional from Colombia on 2012-08-20
Patient: 60 year old female
Reactions: Apathy, Drug Ineffective, Social Avoidant Behaviour, Pain, Schizophrenia
Drug(s) suspected as cause:
Effexor
Other drugs received by patient: Levothyroxine Sodium; Clonazepam; Synthroid
Possible Effexor side effects in 28 year old female
Reported by a physician from Switzerland on 2012-08-20
Patient: 28 year old female
Reactions: Maternal Exposure During Pregnancy, Suicide Attempt
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Citalopram Hydrobromide
Start date: 2007-01-01
Cymbalta
Start date: 2007-01-01
Effexor
Administration route: Oral
Start date: 2008-01-01
End date: 2012-01-09
Flurazepam
Administration route: Oral
Start date: 2011-01-01
End date: 2011-12-31
Lamictal
End date: 2010-01-01
Oxazepam
Seroquel
Administration route: Oral
Start date: 2011-01-01
End date: 2011-12-31
Tegretol
Administration route: Oral
Start date: 2012-01-01
Possible Effexor side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-20
Patient: female
Reactions: Withdrawal Syndrome
Drug(s) suspected as cause:
Effexor
Possible Effexor side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: male
Reactions: Drug Intolerance, Hyperhidrosis
Drug(s) suspected as cause:
Effexor
Dosage: 75 mg, unk
Pristiq
Dosage: 100 mg, unk
Pristiq
Dosage: 50 mg, unk
Possible Effexor side effects in 57 year old female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-17
Patient: 57 year old female, weighing 74.8 kg (164.6 pounds)
Reactions: Drug Ineffective, Chronic Obstructive Pulmonary Disease, Cardiac Failure Congestive, Medication Residue
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Effexor
Dosage: unk
Indication: Depression
Effexor XR
Dosage: 150 mg, unk
Indication: Depression
Pristiq
Dosage: 100 mg, 1x/day
Administration route: Oral
Indication: Depression
Possible Effexor side effects in 18 year old female
Reported by a physician from Norway on 2012-08-17
Patient: 18 year old female
Reactions: Contusion, Haemorrhage
Drug(s) suspected as cause:
Effexor
Dosage: 150 mg, unk
Effexor
Dosage: 75 mg, unk
Start date: 2012-07-20
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