Klonopin side effects - from FDA reports


In this review, we analyze Klonopin side effects by the time on the drug, gender and age of the people who have side effects while taking Klonopin. The review is based on 47,659 people who have side effects while taking the drug from FDA, and is updated regularly.

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Klonopin

Klonopin has active ingredients of clonazepam. It is often used in stress and anxiety. (latest outcomes from Klonopin 52,314 users)


On Feb, 10, 2019

47,659 people who take Klonopin are studied.


Number of reports submitted per year:

Klonopin side effects.

Most common side effects over time *:

< 1 month:
  • Suicide attempt
  • Weight decreased
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Vomiting
  • Overdose
  • Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  • Suicidal ideation
  • Weight increased
  • Pregnancy
  • Spinal column stenosis (narrowing of spinal column)
1 - 6 months:
  • Priapism (prolonged and painful erection that can last from several hours up to a few days)
  • Umbilical cord short
  • Alopecia (absence of hair from areas of the body)
  • Cardiopulmonary failure (cessation of normal circulation of the blood due to failure of the heart to contract)
  • Feeling abnormal
  • Infectious mononucleosis (infection usually caused by the epstein-barr virus)
  • Melaena (the passage of black, tarry stools)
  • Migraine (headache)
  • Ventricular septal defect (a hole in the heart, is a common heart defect that's present at birth (congenital))
  • Suicidal ideation
6 - 12 months:
  • Suicide attempt
  • Pregnancy
  • Stress symptoms
  • Abdominal discomfort
  • Hypertension (high blood pressure)
  • Memory impairment
  • Psychotic disorder
  • Therapeutic response unexpected
  • Vomiting
  • Weight decreased
1 - 2 years:
  • Suicidal ideation
  • Visual disturbance
  • Vomiting
  • Weight increased
  • Therapeutic response unexpected
  • Toothache (tooth pain)
  • Bacterial infection
  • Dysphagia (condition in which swallowing is difficult or painful)
  • Foetal exposure during pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect)
  • Hospitalisation
2 - 5 years:
  • Type 2 diabetes mellitus
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Therapeutic response unexpected
  • Depression
  • Memory impairment
  • Suicidal ideation
  • Insomnia (sleeplessness)
  • Pain
  • Weight decreased
  • Weight increased
5 - 10 years:
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Suicidal ideation
  • Suicide attempt
  • Diabetic neuropathy (neuropathic disorders that are associated with diabetes mellitus)
  • Weight increased
  • Blood cholesterol increased
  • Depression
  • Pain
  • Pain in extremity
  • Tachycardia (a heart rate that exceeds the range of 100 beats/min)
10+ years:
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Suicidal ideation
  • Madarosis (absence or loss of the eyelashes)
  • Migraine (headache)
  • Renal disorder (kidney disease)
  • Sepsis (a severe blood infection that can lead to organ failure and death)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Stress cardiomyopathy (stress-induced chronic disease of the heart muscle)
  • Weight decreased
  • Vomiting
not specified:
  • Weight increased
  • Weight decreased
  • Vomiting
  • Drug ineffective
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Nausea (feeling of having an urge to vomit)
  • Suicidal ideation
  • Vision blurred
  • Pain

Most common side effects by gender *:

female:
  • Weight increased
  • Weight decreased
  • Vomiting
  • Drug ineffective
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Nausea (feeling of having an urge to vomit)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Suicidal ideation
  • Vision blurred
  • Pain
male:
  • Weight increased
  • Drug ineffective
  • Seizure (abnormal excessive or synchronous neuronal activity in the brain)
  • Suicide attempt
  • Insomnia (sleeplessness)
  • Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  • Rash
  • Sedation
  • Pain
  • White blood cell count decreased

Most common side effects by age *:

0-1:
  • Premature baby
  • Seizure (abnormal excessive or synchronous neuronal activity in the brain)
  • Death
  • Pneumonia
  • Weight increased
  • Rash
  • Foetal exposure during pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Umbilical cord short
  • Upper respiratory tract infection
2-9:
  • Seizure (abnormal excessive or synchronous neuronal activity in the brain)
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Weight decreased
  • Pneumonia
  • Vomiting
  • Death
  • Pyrexia (fever)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Pneumonia legionella (pneumonia caused by the bacteria legionella)
  • Respiratory distress (difficulty in breathing)
10-19:
  • Suicide attempt
  • Weight increased
  • Suicidal ideation
  • Vomiting
  • Seizure (abnormal excessive or synchronous neuronal activity in the brain)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Weight decreased
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Nausea (feeling of having an urge to vomit)
  • Drug ineffective
20-29:
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Pain
  • Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  • Vision blurred
  • Drug ineffective
  • Overdose
  • Abdominal pain
  • Pyrexia (fever)
  • Rash
  • Sedation
30-39:
  • Weight increased
  • Vomiting
  • Suicidal ideation
  • Weight decreased
  • Drug ineffective
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Vision blurred
  • Suicide attempt
  • Nausea (feeling of having an urge to vomit)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
40-49:
  • Weight increased
  • Vomiting
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Drug ineffective
  • Suicidal ideation
  • Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Vision blurred
  • Tremor (trembling or shaking movements in one or more parts of your body)
50-59:
  • Weight increased
  • Weight decreased
  • Vomiting
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Drug ineffective
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Nausea (feeling of having an urge to vomit)
  • Vision blurred
  • Pain
  • Suicidal ideation
60+:
  • Weight increased
  • Weight decreased
  • Drug ineffective
  • Vomiting
  • Nausea (feeling of having an urge to vomit)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Vision blurred
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Urinary tract infection
  • Pain

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

You are not alone:

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On eHealthMe, Klonopin (clonazepam) is often used to treat stress and anxiety. Find out below the conditions the drugs are used for and how effective they are.

What is the drug used for and how effecitve is it:

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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.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

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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