Compare Side Effects

% of total side effects reported by users. DISCLAIMER: ALL DATA PROVIDED AS-IS. Data Source: openfda.gov.
Side Effect Viagra Effexor
DRUG INEFFECTIVE 18% 3.1%
ERECTION INCREASED 4.8% 0%
HEADACHE 3.9% 2.7%
NAUSEA 1.4% 3.4%
DEPRESSION 0.9% 3%
DIZZINESS 1.7% 2.8%
ANXIETY 0.9% 2.8%
DRUG WITHDRAWAL SYNDROME 0% 2.7%
FATIGUE 1.4% 2.6%
ERECTILE DYSFUNCTION 2.4% 0%
INSOMNIA 0.7% 2.2%
PAIN 1.2% 2.1%
FEELING ABNORMAL 0.8% 2%
DYSPNOEA 1.9% 1.6%
MALAISE 1.2% 1.9%
VOMITING 0.8% 1.8%
SUICIDAL IDEATION 0% 1.8%
FLUSHING 1.8% 0%
DIARRHOEA 1% 1.7%
FALL 0.8% 1.6%
WEIGHT INCREASED 0.5% 1.6%
DRUG EFFECT INCOMPLETE 1.6% 0%
ASTHENIA 0.8% 1.5%
DEATH 1.5% 0.6%
PARAESTHESIA 0.4% 1.4%
PENIS DISORDER 1.4% 0%
HYPERTENSION 1.3% 1.2%
VISION BLURRED 1.3% 0.6%
MYOCARDIAL INFARCTION 1.3% 0.6%
SOMNOLENCE 0.4% 1.3%
TREMOR 0% 1.3%
CONDITION AGGRAVATED 0.8% 1.2%
HYPERHIDROSIS 0.5% 1.2%
CONFUSIONAL STATE 0% 1.2%
DRUG EFFECT DECREASED 1.2% 0%
DRUG INTERACTION 1.1% 1%
DIABETES MELLITUS 0.8% 1.1%
WEIGHT DECREASED 0.7% 1.1%
ARTHRALGIA 0.6% 1.1%
OPTIC ISCHAEMIC NEUROPATHY 1.1% 0%
MALIGNANT MELANOMA 1.1% 0%
CHEST PAIN 1% 0.9%
CEREBROVASCULAR ACCIDENT 1% 0.6%
EJACULATION DISORDER 1% 0%
NASAL CONGESTION 1% 0%
BLINDNESS 1% 0%
PAIN IN EXTREMITY 0.8% 0.9%
BACK PAIN 0.8% 0.9%
AGITATION 0% 0.9%
DRUG HYPERSENSITIVITY 0% 0.9%
CRYING 0% 0.9%
SUICIDE ATTEMPT 0% 0.9%
PNEUMONIA 0.8% 0.7%
PYREXIA 0.5% 0.8%
RASH 0.5% 0.8%
HYPOTENSION 0.8% 0.5%
ABDOMINAL PAIN 0.4% 0.8%
CONSTIPATION 0.4% 0.8%
CONVULSION 0% 0.8%
INCORRECT DOSE ADMINISTERED 0.8% 0%
DISTURBANCE IN ATTENTION 0% 0.8%
INTENTIONAL PRODUCT MISUSE 0.8% 0%
PRURITUS 0% 0.8%
COUGH 0.7% 0.7%
OFF LABEL USE 0.7% 0.7%
BLOOD PRESSURE INCREASED 0.5% 0.7%
ABDOMINAL PAIN UPPER 0.5% 0.7%
MUSCLE SPASMS 0.5% 0.7%
HYPOAESTHESIA 0.5% 0.7%
LOSS OF CONSCIOUSNESS 0.5% 0.7%
MYALGIA 0.5% 0.7%
MEMORY IMPAIRMENT 0.4% 0.7%
OVERDOSE 0.4% 0.7%
GAIT DISTURBANCE 0.4% 0.7%
DECREASED APPETITE 0% 0.7%
IRRITABILITY 0% 0.7%
PROSTATE CANCER 0.7% 0%
CYANOPSIA 0.7% 0%
WITHDRAWAL SYNDROME 0% 0.7%
PENILE PAIN 0.7% 0%
TYPE 2 DIABETES MELLITUS 0% 0.7%
DRUG EXPOSURE DURING PREGNANCY 0% 0.7%
OEDEMA PERIPHERAL 0.6% 0.6%
BLOOD CHOLESTEROL INCREASED 0.6% 0.6%
ANAEMIA 0.5% 0.6%
PALPITATIONS 0.4% 0.6%
NASOPHARYNGITIS 0.6% 0%
SUSPECTED COUNTERFEIT PRODUCT 0.6% 0%
DRUG DOSE OMISSION 0% 0.6%
PULMONARY HYPERTENSION 0.6% 0%
VISUAL ACUITY REDUCED 0.6% 0%
AMNESIA 0% 0.6%
AGGRESSION 0% 0.6%
URINARY TRACT INFECTION 0% 0.6%
PRODUCT QUALITY ISSUE 0.6% 0%
VISUAL IMPAIRMENT 0.6% 0%
DEHYDRATION 0% 0.6%
ERYTHEMA 0.6% 0%
ANGER 0% 0.6%
COMPLETED SUICIDE 0% 0.6%
NERVOUSNESS 0% 0.6%
HEART RATE INCREASED 0.5% 0.4%
ABDOMINAL DISCOMFORT 0.5% 0.4%
GASTROOESOPHAGEAL REFLUX DISEASE 0.4% 0.5%
BALANCE DISORDER 0% 0.5%
HOT FLUSH 0% 0.5%
DRUG DEPENDENCE 0% 0.5%
INTENTIONAL OVERDOSE 0% 0.5%
DRY MOUTH 0% 0.5%
PANIC ATTACK 0% 0.5%
VERTIGO 0% 0.5%
ABNORMAL BEHAVIOUR 0% 0.5%
NIGHTMARE 0% 0.5%
MIGRAINE 0% 0.5%
DEPRESSED MOOD 0% 0.5%
CHILLS 0% 0.5%
UNEVALUABLE EVENT 0% 0.5%
PULMONARY EMBOLISM 0% 0.5%
CARDIAC FAILURE CONGESTIVE 0.5% 0%
BLOOD PRESSURE DECREASED 0.5% 0%
THERAPEUTIC RESPONSE UNEXPECTED 0.5% 0%
INTENTIONAL PRODUCT USE ISSUE 0.5% 0%
ATRIAL FIBRILLATION 0.5% 0%
CARDIAC DISORDER 0.5% 0%
BLINDNESS UNILATERAL 0.5% 0%
SYNCOPE 0.5% 0%
DYSPEPSIA 0.5% 0%
CARDIAC FAILURE 0.5% 0%
PRODUCT USE ISSUE 0.5% 0%
TINNITUS 0.4% 0.4%
INJURY 0% 0.4%
RESPIRATORY FAILURE 0.4% 0%
HALLUCINATION 0% 0.4%
INFLUENZA LIKE ILLNESS 0% 0.4%
RESTLESSNESS 0% 0.4%
SKIN DISCOLOURATION 0.4% 0%
CARDIAC ARREST 0.4% 0%
ALANINE AMINOTRANSFERASE INCREASED 0.4% 0%
BLOOD GLUCOSE INCREASED 0.4% 0%
FEELING HOT 0.4% 0%
RENAL FAILURE 0.4% 0%
CORONARY ARTERY DISEASE 0.4% 0%

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Patient Forum

Recent Comments and Reports

10 years on effexor, weight gain of 20 lbs last 5 years when increased to 300mg., no change in cal or exercise, since getting older realized needed fewre calories so tried to reduce like always could wirhWW and exercise, no success, couldn'

Blepharospasm.

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