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Viagra and Fentanyl

Compare Side Effects

% of total side effects reported by users. DISCLAIMER: ALL DATA PROVIDED AS-IS. Data Source: openfda.gov.
Side EffectViagraFentanyl
DRUG INEFFECTIVE15.9% 3.5%
DEATH1.7% 9.2%
TOXICITY TO VARIOUS AGENTS0% 7.4%
OVERDOSE0% 4.8%
ERECTION INCREASED4.4% 0%
HEADACHE4.1% 1%
PAIN1.3% 3.2%
NAUSEA1.7% 2.6%
DYSPNOEA2.5% 1.5%
PRODUCT QUALITY ISSUE0.6% 2.2%
DRUG ABUSE0% 2.1%
ERECTILE DYSFUNCTION2% 0%
VOMITING1% 1.9%
PRODUCT ADHESION ISSUE0% 1.9%
DIZZINESS1.8% 1.1%
WRONG TECHNIQUE IN DRUG USAGE PROCESS0% 1.8%
FATIGUE1.7% 1.5%
FLUSHING1.7% 0%
MALIGNANT MELANOMA1.7% 0%
DIARRHOEA1.5% 1.3%
DRUG EFFECT INCOMPLETE1.5% 0%
MALAISE1.4% 1.2%
HYPOTENSION0.9% 1.2%
HYPERHIDROSIS0.5% 1.2%
EJACULATION DISORDER1.2% 0%
DRUG EFFECT DECREASED1% 1.1%
ANXIETY0.8% 1.1%
HYPERTENSION1.1% 0.6%
CHEST PAIN1.1% 0.6%
SOMNOLENCE0.4% 1.1%
DRUG DOSE OMISSION0.4% 1.1%
MYOCARDIAL INFARCTION1.1% 0.4%
PENIS DISORDER1.1% 0%
VISION BLURRED1.1% 0%
ASTHENIA1% 1%
PNEUMONIA1% 1%
DRUG INTERACTION1% 1%
FALL0.9% 1%
PAIN IN EXTREMITY1% 0.7%
PYREXIA0.6% 1%
NASAL CONGESTION1% 0%
DRUG WITHDRAWAL SYNDROME0% 1%
BACK PAIN0.9% 0.9%
DEPRESSION0.9% 0.8%
WEIGHT DECREASED0.8% 0.9%
FEELING ABNORMAL0.9% 0.7%
INTENTIONAL PRODUCT MISUSE0.9% 0.5%
CONDITION AGGRAVATED0.9% 0.5%
CONSTIPATION0.5% 0.9%
WRONG TECHNIQUE IN PRODUCT USAGE PROCESS0% 0.9%
OPTIC ISCHAEMIC NEUROPATHY0.9% 0%
ACCIDENTAL OVERDOSE0% 0.9%
COUGH0.9% 0%
OFF LABEL USE0.8% 0.8%
INSOMNIA0.7% 0.8%
RENAL FAILURE0.4% 0.8%
CARDIAC ARREST0% 0.8%
INAPPROPRIATE SCHEDULE OF DRUG ADMINISTRATION0% 0.8%
CONFUSIONAL STATE0% 0.8%
DRUG DEPENDENCE0% 0.8%
BLINDNESS0.8% 0%
WITHDRAWAL SYNDROME0% 0.8%
CEREBROVASCULAR ACCIDENT0.8% 0%
ARTHRALGIA0.7% 0.7%
ANAEMIA0.5% 0.7%
RASH0.5% 0.7%
ABDOMINAL PAIN0.4% 0.7%
PENILE PAIN0.7% 0%
DIABETES MELLITUS0.7% 0%
INCORRECT DOSE ADMINISTERED0.7% 0%
DEHYDRATION0% 0.7%
LOSS OF CONSCIOUSNESS0.6% 0.6%
DECREASED APPETITE0.5% 0.6%
OEDEMA PERIPHERAL0.6% 0.4%
INJURY0% 0.6%
CARDIO-RESPIRATORY ARREST0% 0.6%
TREMOR0% 0.6%
DRUG WITHDRAWAL SYNDROME NEONATAL0% 0.6%
CYANOPSIA0.6% 0%
MYALGIA0.6% 0%
VISUAL IMPAIRMENT0.6% 0%
PULMONARY HYPERTENSION0.6% 0%
CARDIAC DISORDER0.6% 0%
ABDOMINAL DISCOMFORT0.6% 0%
SYNCOPE0.6% 0%
PROSTATE CANCER0.6% 0%
NASOPHARYNGITIS0.6% 0%
MUSCLE SPASMS0.5% 0.5%
WEIGHT INCREASED0.5% 0.4%
BLOOD PRESSURE DECREASED0.5% 0.4%
ABDOMINAL PAIN UPPER0.5% 0.4%
BLOOD PRESSURE INCREASED0.5% 0.4%
PHARMACEUTICAL PRODUCT COMPLAINT0% 0.5%
SEPSIS0% 0.5%
RESPIRATORY FAILURE0% 0.5%
INADEQUATE ANALGESIA0% 0.5%
PRURITUS0% 0.5%
UNEVALUABLE EVENT0% 0.5%
DRUG HYPERSENSITIVITY0% 0.5%
TACHYCARDIA0% 0.5%
MALIGNANT NEOPLASM PROGRESSION0% 0.5%
RESPIRATORY ARREST0% 0.5%
URINARY TRACT INFECTION0% 0.5%
DYSPEPSIA0.5% 0%
VISUAL ACUITY REDUCED0.5% 0%
CARDIAC FAILURE CONGESTIVE0.5% 0%
FLUID RETENTION0.5% 0%
CARDIAC FAILURE0.5% 0%
ERYTHEMA0.5% 0%
INTENTIONAL PRODUCT USE ISSUE0.5% 0%
PRODUCT USE ISSUE0.5% 0%
HEART RATE INCREASED0.5% 0%
SUSPECTED COUNTERFEIT PRODUCT0.5% 0%
PALPITATIONS0.5% 0%
BLOOD CHOLESTEROL INCREASED0.5% 0%
ATRIAL FIBRILLATION0.5% 0%
HYPOAESTHESIA0.4% 0.4%
GAIT DISTURBANCE0.4% 0.4%
OXYGEN SATURATION DECREASED0.4% 0.4%
APPLICATION SITE PRURITUS0% 0.4%
CHILLS0% 0.4%
ANAPHYLACTIC REACTION0% 0.4%
GENERAL PHYSICAL HEALTH DETERIORATION0% 0.4%
RENAL IMPAIRMENT0% 0.4%
THROMBOCYTOPENIA0% 0.4%
INFECTION0% 0.4%
DISEASE PROGRESSION0% 0.4%
DEPRESSED LEVEL OF CONSCIOUSNESS0% 0.4%
RENAL FAILURE ACUTE0% 0.4%
EMOTIONAL DISTRESS0% 0.4%
UNRESPONSIVE TO STIMULI0% 0.4%
FEAR0% 0.4%
COMPLETED SUICIDE0% 0.4%
APPLICATION SITE ERYTHEMA0% 0.4%
DYSPNOEA EXERTIONAL0.4% 0%
PULMONARY ARTERIAL HYPERTENSION0.4% 0%
MEMORY IMPAIRMENT0.4% 0%
THERAPEUTIC RESPONSE UNEXPECTED0.4% 0%
BLINDNESS UNILATERAL0.4% 0%
CHEST DISCOMFORT0.4% 0%
GASTROOESOPHAGEAL REFLUX DISEASE0.4% 0%
BRADYCARDIA0% 0.4%
SEROTONIN SYNDROME0% 0.4%
AGITATION0% 0.4%
FEELING HOT0.4% 0%
PERIPHERAL SWELLING0.4% 0%
CORONARY ARTERY DISEASE0.4% 0%
MULTI-ORGAN FAILURE0% 0.3%

New treatments are found every day. View current Viagra research studies and Fentanyl clinical trials


Top 5 Viagra Reported Side Effects

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Top 5 Fentanyl Reported Side Effects

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Patient Forum

Recent Comments and Reports

Been on fantanyl patch 25 mc-for 2 months- just cut back to 12 mc-will i have withdrawal? next week i want to go on NO patch--is this ok?

Blepharospasm.

Cannot sleep for hours after applying a new patch. Also suffer some confusion and depression. By third day the pain relief is poor and I keep falling asleep. Depression is probably the most unpleasant. Also seem to get feverish periods.

I came off fentanyl yesterday after 3 years i also could'nt sleep after applying the patch and had this horrible itchy and restless feeling and terrible nausia the following day i put up with it while it worked but when it started letting the pain th

Since I quit taking the Fentnyl patch I have been diagnosed the depression, anxiety and panic disorder.

Day 8. I've become very... forgetful. Oh, and it seems to be having a viagra effect on me.

I have been takingcholesterol control medication for about 9 years. From Lipitor to Vytorin to Crestor20 mg for about 6 years.During that time my sex drive went down a bit. I went to a urologist who recommended Viagra. I started t

I took the medecine recreationally on thursday night at 6 pm because i needed to sleep for a long time and be energetic the whole friday specially after work with the girls.but the medecine left laziness traces on me.but its ok, a couple of viagra pi

I took viagra 4 times (50 mg) , it has a good effect, but the side effect was very much disturbing as if I got toxicity feeling and pain in my nerve system. I change to Cialis(10 mg). The effect is very good (the effect can be there up to 5 days

Olmetec has increased my Penilisfunction & even with viagra doesnt seem to work