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Clonazepam Tachycardia Side Effects

Clonazepam Tachycardia Side Effect Reports


The following Clonazepam Tachycardia side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Tachycardia, can occur, and what you can do about them.

A side effect could appear soon after you start Clonazepam or it might take time to develop.



Tachycardia, Heart Rate Irregular

This Tachycardia side effect was reported by a health professional from CANADA. A patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Clonazepam (dosage: NA), which was started on Mar 29, 2012. Concurrently used drugs:
  • Remicade
  • Crestor
  • Rabeprazole Sodium
  • Methotrexate
  • Remicade
  • Atenolol
  • Tylenol W/ Codeine No. 3
When starting to take Clonazepam the consumer reported the following symptoms:
  • Tachycardia
  • Heart Rate Irregular
These side effects may potentially be related to Clonazepam.
Hypertension, Tachypnoea, Tachycardia

This Tachycardia Clonazepam side effect was reported by a consumer or non-health professional from HUNGARY on Mar 05, 2012. A male , 30 years of age, was treated with Clonazepam. The patient presented the following health conditions:
  • Hypertension
  • Tachypnoea
  • Tachycardia
. Clonazepam dosage: 0.5 Mg, Tid. Additional drugs used at the same time:
  • Olanzapine (300 Mg, Every 2 Weeks)
The patient was hospitalized.
Local Swelling, Tachycardia, Chest Pain, Nausea, Headache, Swelling Face, Vomiting

This is a Clonazepam side effect report of a 46-year-old female patient (weight:NA) from CANADA, suffering from the following symptoms/conditions: NA, who was treated with Clonazepam (dosage:Dose Per Intake: 1-2 Mg, start time: Jan 01, 2010), combined with:
  • Cimzia
  • Pantaloc
  • Prednisone Tab
  • Percocet (2 To 4 Tabs As Needed)
, and developed a serious reaction and a Tachycardia side effect. The patient presented with:
  • Local Swelling
  • Tachycardia
  • Chest Pain
  • Nausea
  • Headache
  • Swelling Face
  • Vomiting
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Clonazepam treatment in female patients suffering from NA, resulting in Tachycardia.

Ventricular Extrasystoles, Tachycardia, Heart Rate Increased

A patient (weight: NA) from IRELAND with the following symptoms: agitation started Clonazepam treatment (dosage: NA) on Jan 01, 2010. Soon after starting Clonazepam treatment, the consumer experienced several side effects, including:
  • Ventricular Extrasystoles
  • Tachycardia
  • Heart Rate Increased
. Concurrently used drugs:
  • Beta Blocking Agents
  • Clozaril
  • Clozaril (400 Mg)
This finding indicates that some patients can be more vulnerable to developing Clonazepam side effects, such as Tachycardia.
Tachycardia, Product Substitution Issue

A female patient from UNITED STATES was prescribed and started Clonazepam on Jan 19, 2012. Patient felt the following Clonazepam side effects: tachycardia, product substitution issue Additional patient health information: Female , 88 years of age, weighting 120.0 lb, The consumer reported the following symptoms: . Clonazepam dosage: 1 Po Bid. Concurrently used drugs: NA.
Tachycardia, Heart Rate Increased, Ventricular Extrasystoles

This report suggests a potential Clonazepam Tachycardia side effect(s) that can have serious consequences. A patient from IRELAND (weight:NA) was diagnosed with the following health condition(s): schizophrenia and used Clonazepam (dosage: 0.5 Mg, Unk) starting Jan 01, 2010. Soon after starting Clonazepam the patient began experiencing various side effects, including:
  • Tachycardia
  • Heart Rate Increased
  • Ventricular Extrasystoles
Drugs used concurrently:
  • Clozaril (400 Mg)
  • Clozaril
  • Aripiprazole (15 Mg, Unk)
Although Clonazepam demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Tachycardia, may still occur.
Tachycardia, Pain, Intentional Self-injury, Sleep Disorder, Dystonia, Dyskinesia, Blood Creatinine Increased

An adverse event was reported by a health professional on Dec 16, 2011 by a male taking Clonazepam (dosage: NA) . Location: HUNGARY , 18 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Clonazepam side effects: tachycardia, pain, intentional self-injury, sleep disorder, dystonia, dyskinesia, blood creatinine increased. Additional medications/treatments:
Associated medications used:
  • Midazolam (Upto 500 Mg / Day)
  • Propofol ((up To 6000 Mg/day)
  • Clozapine (225 Mg Per Day)
The patient was hospitalized.
Self Injurious Behaviour, Tachycardia, Torticollis, Oculogyric Crisis, Blood Creatine Phosphokinase Increased, Tardive Dyskinesia, Hyperkinesia, Sleep Disorder

This Tachycardia problem was reported by a health professional from HUNGARY. A 18-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): schizophrenia.On NS a consumer started treatment with Clonazepam (dosage: 4 Mg;qd). The following drugs/medications were being taken at the same time:
  • Risperidone (8 Mg;qd)
When commencing Clonazepam, the patient experienced the following unwanted symptoms /side effects:
  • Self Injurious Behaviour
  • Tachycardia
  • Torticollis
  • Oculogyric Crisis
  • Blood Creatine Phosphokinase Increased
  • Tardive Dyskinesia
  • Hyperkinesia
  • Sleep Disorder
The patient was hospitalized and became disabled. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Tachycardia, may become evident only after a product is in use by the general population.
Sleep Disorder, Dystonia, Dyskinesia, Blood Creatinine Increased, Pain, Intentional Self-injury, Tachycardia

This is a Clonazepam side effect report of a 18-year-old patient (weight: NA) from HUNGARY. The patient developed the following symptoms/conditions: NA and was treated with Clonazepam (dosage: NA) starting Oct 01, 2009. Concurrently used drugs:
  • Propofol ((up To 6000 Mg/day)
  • Midazolam (Upto 500 Mg / Day)
  • Clozapine (225 Mg Per Day)
Soon after that, the consumer experienced the following of symptoms:
  • Sleep Disorder
  • Dystonia
  • Dyskinesia
  • Blood Creatinine Increased
  • Pain
  • Intentional Self-injury
  • Tachycardia
The patient was hospitalized. This opens a possibility that Clonazepam could cause Tachycardia and that some patients may be more susceptible.
Cyanosis, Disorientation, Feeling Of Despair, Incontinence, Fatigue, Tachycardia, Headache, Arthralgia, Pruritus

This Tachycardia side effect was reported by a health professional from NETHERLANDS on Oct 21, 2011. A female patient from NETHERLANDS , 31 years of age, weighting 140.0 lb, was diagnosed with and was treated with Clonazepam. Directly after treatment started, patient experienced the unwanted or unexpected Clonazepam side effects: cyanosis, disorientation, feeling of despair, incontinence, fatigue, tachycardia, headache, arthralgia, pruritus. Clonazepam dosage: Unk.
Associated medications used:
  • Diazepam (Unk)
  • Paroxetine Hcl (40 Mg, Unk)
  • Omeprazole
  • Quetiapine (300 Mg, Unk)
  • Paroxetine Hcl
  • Paroxetine Hcl (20 Mg, Tid)
  • Amitriptyline Hcl (Unk)
  • Codeine Sulfate (Unk)
The patient was hospitalized and became disabled. These side effects may potentially be related to Clonazepam.
Tachycardia, Speech Disorder, Muscle Rigidity, Dizziness, Contusion, Agitation, Pallor, Vomiting

This Tachycardia side effect was reported by a health professional from UNITED KINGDOM. A 31-year-old female patient (weight:NA) experienced the following symptoms/conditions: sedation,post-traumatic stress disorder. The patient was prescribed Clonazepam (dosage: NA), which was started on Oct 07, 2010. Concurrently used drugs:
  • Paroxetine Hcl
  • Lorazepam
  • Amitriptyline Hcl
  • Paroxetine Hcl
  • Paroxetine Hcl
  • Paroxetine Hcl
  • Omeprazole
  • Quetiapine
When starting to take Clonazepam the consumer reported the following symptoms:
  • Tachycardia
  • Speech Disorder
  • Muscle Rigidity
  • Dizziness
  • Contusion
  • Agitation
  • Pallor
  • Vomiting
The patient was hospitalized and became disabled. These side effects may potentially be related to Clonazepam.
Cardiomyopathy, Tachypnoea, Tachycardia, Oxygen Saturation Decreased, Monocyte Count Increased, Body Temperature Increased

This Tachycardia Clonazepam side effect was reported by a physician from DENMARK on Jun 07, 2011. A Female , 47 years of age, was treated with Clonazepam. The patient presented the following health conditions:
  • Cardiomyopathy
  • Tachypnoea
  • Tachycardia
  • Oxygen Saturation Decreased
  • Monocyte Count Increased
  • Body Temperature Increased
. Clonazepam dosage: NA. Additional drugs used at the same time:
  • Lamotrigine
  • Quetiapine
  • Fluticasone Propionate
  • Depakote
  • Sertraline Hydrochloride (200 Mg; Qd; Po)
  • Clozapine
The patient was hospitalized.
Cardiomyopathy, Oxygen Saturation Decreased, Lower Respiratory Tract Infection, Tachycardia, Body Temperature Increased, Tachypnoea, Monocyte Count Increased, C-reactive Protein Increased, Asthma

This is a Clonazepam side effect report of a 47-year-old female patient (weight:NA) from UNITED KINGDOM, suffering from the following symptoms/conditions: psychotic disorder,affective disorder, who was treated with Clonazepam (dosage:1mg In The Morning + 2 Mg At Night, start time: Sep 09, 2008), combined with:
  • Depakote (1000 Mg Twice Daily)
  • Lamotrigine (150 Mg Twice Daily)
  • Sertraline Hydrochloride (200 Mg, Qd)
  • Clozaril (150 Mg, Bid)
  • Quetiapine (200 Mg Twice Daily)
  • Seretide (2 Puffs Daily)
, and developed a serious reaction and a Tachycardia side effect. The patient presented with:
  • Cardiomyopathy
  • Oxygen Saturation Decreased
  • Lower Respiratory Tract Infection
  • Tachycardia
  • Body Temperature Increased
  • Tachypnoea
  • Monocyte Count Increased
  • C-reactive Protein Increased
  • Asthma
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Clonazepam treatment in female patients suffering from psychotic disorder,affective disorder, resulting in Tachycardia.
Nausea, Torsade De Pointes, Hyperhidrosis, Syncope, Tachycardia, Asthenia, Road Traffic Accident, Dizziness, Hypomagnesaemia

A 58-year-old female patient (weight: NA) from CANADA with the following symptoms: NA started Clonazepam treatment (dosage: NA) on NS. Soon after starting Clonazepam treatment, the consumer experienced several side effects, including:
  • Nausea
  • Torsade De Pointes
  • Hyperhidrosis
  • Syncope
  • Tachycardia
  • Asthenia
  • Road Traffic Accident
  • Dizziness
  • Hypomagnesaemia
. Concurrently used drugs:
  • Rosuvastatin
  • Acamprosate
  • Atenolol
  • Citalopram Hydrobromide (60 Mg;qd)
  • Mirtazapine
  • Hydrochlorothiazide
  • Ranitidine
  • Quetiapine
The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Clonazepam side effects, such as Tachycardia.
Hyperhidrosis, Mydriasis, Headache, Tachycardia, Crying, Dyspnoea

A female patient from COSTA RICA was prescribed and started Clonazepam on Apr 05, 2011. After Clonazepam was administered, patient encountered several Clonazepam side effects: hyperhidrosis, mydriasis, headache, tachycardia, crying, dyspnoea Additional patient health information: Female , 38 years of age, The consumer reported the following symptoms: . Clonazepam dosage: Unk. Concurrently used drugs:
  • Enalapril Maleate (20 Mg, Unk)
  • Sertraline Hydrochloride (100 Mg, 1x/day)
Wrist Fracture, Convulsion, Tooth Fracture, Tendon Injury, Rheumatoid Arthritis, Tachycardia, Abdominal Discomfort, Abdominal Pain

This report suggests a potential Clonazepam Tachycardia side effect(s) that can have serious consequences. A female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): anxiety,multiple allergies and used Clonazepam (dosage: NA) starting Jan 01, 2006. Soon after starting Clonazepam the patient began experiencing various side effects, including:
  • Wrist Fracture
  • Convulsion
  • Tooth Fracture
  • Tendon Injury
  • Rheumatoid Arthritis
  • Tachycardia
  • Abdominal Discomfort
  • Abdominal Pain
Drugs used concurrently:
  • Zyrtec
  • Prednisone
  • Methotrexate
  • Seroquel
  • Depakote
  • Synthroid
  • Atenolol
  • Hydrocodone (10/325 Every 6 Hours)
The patient was hospitalized. Although Clonazepam demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Tachycardia, may still occur.
Hyperthermia, Convulsion, Accidental Exposure, Delusion, Overdose, Hallucination, Loss Of Consciousness, Tachycardia

An adverse event was reported by a physician on Jan 25, 2011 by a Female taking Clonazepam (dosage: 6mg Per Day) . Location: COSTA RICA , 29 years of age, patient began experiencing various side effects, including: Patient felt the following Clonazepam side effects: hyperthermia, convulsion, accidental exposure, delusion, overdose, hallucination, loss of consciousness, tachycardia. Additional medications/treatments:
Multiple prescriptions taken:
  • Wellbutrin (4200mg Per Day)
The patient was hospitalized.
Disturbance In Attention, Dysgraphia, Insomnia, Malaise, Memory Impairment, Speech Disorder, Tachycardia, Tremor

This Tachycardia problem was reported by a health professional from UNITED STATES. A 60-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): anxiety.On Dec 18, 2009 a consumer started treatment with Clonazepam (dosage: NA). The following drugs/medications were being taken at the same time:
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
When commencing Clonazepam, the patient experienced the following unwanted symptoms /side effects:
  • Disturbance In Attention
  • Dysgraphia
  • Insomnia
  • Malaise
  • Memory Impairment
  • Speech Disorder
  • Tachycardia
  • Tremor
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Tachycardia, may become evident only after a product is in use by the general population.
Disturbance In Attention, Dysgraphia, Insomnia, Malaise, Memory Impairment, Speech Disorder, Tachycardia, Tremor

This is a Clonazepam side effect report of a 60-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: anxiety and was treated with Clonazepam (dosage: NA) starting Dec 18, 2009. Concurrently used drugs:
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
  • Lorazepam
Soon after that, the consumer experienced the following of symptoms:
  • Disturbance In Attention
  • Dysgraphia
  • Insomnia
  • Malaise
  • Memory Impairment
  • Speech Disorder
  • Tachycardia
  • Tremor
This opens a possibility that Clonazepam could cause Tachycardia and that some female patients may be more susceptible.
Depressed Level Of Consciousness, Hypoxia, Tachycardia, Tachypnoea

This Tachycardia side effect was reported by a physician from CANADA on Oct 16, 2009. A female patient from CANADA , 72 years of age, was treated with Clonazepam. Patient felt the following Clonazepam side effects: depressed level of consciousness, hypoxia, tachycardia, tachypnoea. Clonazepam dosage: NA.
Multiple prescriptions taken:
  • Clozaril
  • Celexa
  • Ativan
These side effects may potentially be related to Clonazepam.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Clonazepam Tachycardia Causes and Reviews


An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called Tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat.

Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias.

Symptoms of arrhythmias include

  • Fast or slow heart beat
  • Skipping beats
  • Lightheadedness or dizziness
  • Chest pain
  • Shortness of breath
  • Sweating

Your doctor can run tests to find out if you have an arrhythmia. Treatment to restore a normal heart rhythm may include medicines, an implantable cardioverter-defibrillator (ICD) or pacemaker, or sometimes surgery.

NIH: National Heart, Lung, and Blood Institute


Clonazepam Tachycardia Reviews

Fri, 27 Aug 2010

I have been on Clonazepam for several month up to 2-3mg a day. Went cold turkey 4 days ago and my psychiatrist agreed. Can't sleep on even a high dose of ambien. Blood pressure up to Hyperttension Stage 1 when I used to have normal BP. Wondering if I should go back on it and taper instead? Desperately deranged

Wed, 13 Jan 2010
I have been on Clonazepam for about 3 or 4 months. It help a great deal with lack of sleep,and also helped the snxiety. Now I have been stressed at work. I think it is more about burn-out than my meds. How ever! I'm not sure what to do. I haven't been sleeping well again. I'm thinking I maybe have to up my drug to 1.5 versus my1 I take now(of Clonazepam0 or dr. sujested I try Mirtazapine!5mg at night. I have tries this acouple times and I am so ..druged in the morning...even with a half. so..I tried a forth last night. It seemed to be better..but not sure whatto do?? Should I ween off the Clonazepan which I'm told is very addicting or should I up it ....or should I take a forth of mirtazapine in repace of themirtazapine. or something else??? Help!
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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