Viagra side effects - from FDA reports


In this review, we analyze Viagra side effects by the time on the drug, gender and age of the people who have side effects while taking Viagra. The review is based on 52,559 people who have side effects while taking the drug from FDA, and is updated regularly.

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Viagra

Viagra has active ingredients of sildenafil citrate. It is often used in erection problems. (latest outcomes from Viagra 54,340 users)


On Feb, 13, 2019

52,559 people who take Viagra are studied.


Number of reports submitted per year:

Viagra side effects.

Most common side effects over time *:

< 1 month:
  • Drug ineffective
  • Headache (pain in head)
  • Vision blurred
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Syncope (loss of consciousness with an inability to maintain postural tone)
  • Tinnitus (a ringing in the ears)
  • Malaise (a feeling of general discomfort or uneasiness)
  • Skin odour abnormal (abnormal skin smell)
  • Visual impairment
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
1 - 6 months:
  • Visual field defect
  • Vision blurred
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Visual acuity reduced (reduced clearness of vision)
  • Dyspnoea (difficult or laboured respiration)
  • Tinnitus (a ringing in the ears)
  • Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
  • Sudden death
  • White blood cell count increased
  • Headache (pain in head)
6 - 12 months:
  • Malignant melanoma (skin cancer rises from melancytes)
  • Drug ineffective
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Visual acuity reduced (reduced clearness of vision)
  • Visual field defect
  • Dyspnoea (difficult or laboured respiration)
  • Cerebral infarction (less blood supply to brain resulting tissue damage)
  • Papilloedema (optic disc swelling)
  • Tinnitus (a ringing in the ears)
  • Vision blurred
1 - 2 years:
  • Malignant melanoma (skin cancer rises from melancytes)
  • Drug ineffective
  • Visual acuity reduced (reduced clearness of vision)
  • Metastatic malignant melanoma (spreadable cancer tumour of melanine)
  • Malignant melanoma in situ (early stage of cancer in melanocyte)
  • Blindness unilateral
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Vision blurred
  • Weight decreased
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
2 - 5 years:
  • Malignant melanoma (skin cancer rises from melancytes)
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Malignant melanoma in situ (early stage of cancer in melanocyte)
  • Metastatic malignant melanoma (spreadable cancer tumour of melanine)
  • Drug ineffective
  • Vision blurred
  • Visual acuity reduced (reduced clearness of vision)
  • Syncope (loss of consciousness with an inability to maintain postural tone)
  • Headache (pain in head)
  • Visual disturbance
5 - 10 years:
  • Malignant melanoma (skin cancer rises from melancytes)
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Malignant melanoma in situ (early stage of cancer in melanocyte)
  • Drug ineffective
  • Blindness
  • Metastatic malignant melanoma (spreadable cancer tumour of melanine)
  • Blindness unilateral
  • Headache (pain in head)
  • Superficial spreading melanoma stage unspecified (superficial spreading cancer stage unspecified)
  • Visual acuity reduced (reduced clearness of vision)
10+ years:
  • Malignant melanoma (skin cancer rises from melancytes)
  • Malignant melanoma in situ (early stage of cancer in melanocyte)
  • Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
  • Myocardial ischaemia (the blood flow through one or more of the blood vessels that lead to heart (coronary arteries) is decreased)
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
  • Visual impairment
  • Vitreous floaters (spots before the eyes)
  • Weight increased
  • Abnormal sensation in eye
  • Aortic valve stenosis (narrowing of the aortic valve)
not specified:
  • Drug ineffective
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Death
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Headache (pain in head)
  • Vision blurred
  • Drug effect decreased
  • Penis disorder
  • Weight decreased
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)

Most common side effects by gender *:

female:
  • Death
  • Pneumonia
  • Vomiting
  • Weight increased
  • Drug ineffective
  • Pulmonary hypertension (increase in blood pressure in the lung artery)
  • Dyspnoea (difficult or laboured respiration)
  • Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
  • Therapeutic response unexpected
  • Nasopharyngitis (inflammation of the nasopharynx)
male:
  • Drug ineffective
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Weight decreased
  • Visual acuity reduced (reduced clearness of vision)
  • Prostate cancer
  • Syncope (loss of consciousness with an inability to maintain postural tone)
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Death
  • Headache (pain in head)
  • Malignant melanoma (skin cancer rises from melancytes)

Most common side effects by age *:

0-1:
  • Respiratory failure (inadequate gas exchange by the respiratory system)
  • Pulmonary haemorrhage (acute bleeding from the lung)
  • Heart rate decreased
  • Pyrexia (fever)
  • Sudden death
  • Accidental exposure
  • Activated partial thromboplastin time abnormal
  • Anomalous pulmonary venous connection (all four pulmonary veins are malpositioned and make anomalous connections to the systemic venous circulation)
  • Blood alkaline phosphatase increased
  • Blood creatine phosphokinase increased
2-9:
  • Taste disturbance
  • Vomiting
  • Skin discolouration (change of skin colour)
  • Accidental drug intake by child
  • Basedow's disease (autoimmune disease where the thyroid is overactive, producing an excessive amount of thyroid hormones)
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Hypotension (abnormally low blood pressure)
  • Learning disability (difficulty in learning)
  • Lung disorder (lung disease)
  • Pulmonary haemorrhage (acute bleeding from the lung)
10-19:
  • Ventricular fibrillation (abnormally irregular heart rhythm)
  • Weight decreased
  • Penile pain
  • Penis disorder
  • Skin discolouration (change of skin colour)
  • Testicular pain (pain in testes)
  • Thyroid disorder (thyroid diseases)
  • Anaemia (lack of blood)
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Haemorrhage (bleeding)
20-29:
  • Drug ineffective
  • Penile pain
  • Penis disorder
  • Priapism (prolonged and painful erection that can last from several hours up to a few days)
  • Painful erection
  • Genital pain (pain in genital)
  • Overdose
  • Depression
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Vision blurred
30-39:
  • Drug ineffective
  • Penis disorder
  • Weight decreased
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Priapism (prolonged and painful erection that can last from several hours up to a few days)
  • Vomiting
  • Headache (pain in head)
  • Death
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Weight increased
40-49:
  • Drug ineffective
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Weight decreased
  • Vision blurred
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Headache (pain in head)
  • Death
  • Vomiting
  • Semen volume increased
  • Weight increased
50-59:
  • Drug ineffective
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Headache (pain in head)
  • Death
  • Weight decreased
  • Vision blurred
  • Vomiting
  • Nausea (feeling of having an urge to vomit)
  • Optic ischaemic neuropathy (optic nerve damage due to lack of blood supply)
60+:
  • Drug ineffective
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls)
  • Death
  • Headache (pain in head)
  • Vision blurred
  • Drug effect decreased
  • Syncope (loss of consciousness with an inability to maintain postural tone)
  • Weight decreased
  • Prostate cancer

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

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On eHealthMe, Viagra (sildenafil citrate) is often used to treat erection problems. Find out below the conditions the drugs are used for and how effective they are.

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

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