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Mirtazapine Tachycardia Side Effects

Mirtazapine Tachycardia Side Effect Reports


The following Mirtazapine 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 Mirtazapine or it might take time to develop.



Hypotension, Tachycardia, Oxygen Saturation Decreased, Coma Scale Abnormal, Rash Erythematous, Anaphylactic Reaction

This Tachycardia side effect was reported by a physician from GB. A 89-year-old female patient (weight:NA) experienced the following symptoms/conditions: depression. The patient was prescribed Mirtazapine (mirtazapine) (dosage: NA), which was started on Feb 04, 2014. Concurrently used drugs:
  • Dihydrocodeine (dihydrocodeine)
  • Clopidogrel (clopidogrel)
  • Lidocaine (lidocaine)
  • Nitrofurantoin (nitrofurantoin)
  • Paracetamol (paracetamol)
  • Simvastatin (simvastatin)
When starting to take Mirtazapine (mirtazapine) the consumer reported the following symptoms:
  • Hypotension
  • Tachycardia
  • Oxygen Saturation Decreased
  • Coma Scale Abnormal
  • Rash Erythematous
  • Anaphylactic Reaction
The patient was hospitalized. These side effects may potentially be related to Mirtazapine (mirtazapine).
Bezoar, Overdose, Somnolence, Tachycardia, Disturbance In Attention

This Tachycardia Mirtazapine side effect was reported by a health professional from CH on Feb 27, 2014. A Female , 26 years of age, was treated with Mirtazapine. The patient presented the following health conditions:
  • Bezoar
  • Overdose
  • Somnolence
  • Tachycardia
  • Disturbance In Attention
. Mirtazapine dosage: Unk. Additional drugs used at the same time:
  • Lorazepam (Unk)
  • Seroquel Xr
The patient was hospitalized.
Left Ventricular Hypertrophy, Suicide Attempt, Toxicity To Various Agents, Sinus Tachycardia, Lethargy, Overdose

This is a Mirtazapine side effect report of a 43-year-old patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Mirtazapine (dosage:25 Tablets Of 15 Mg (total 375 Mg), start time: NS), combined with:
  • Ethanol
, and developed a serious reaction and a Tachycardia side effect. The patient presented with:
  • Left Ventricular Hypertrophy
  • Suicide Attempt
  • Toxicity To Various Agents
  • Sinus Tachycardia
  • Lethargy
  • Overdose
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Mirtazapine treatment in patients suffering from NA, resulting in Tachycardia.

Hyperhidrosis, Tachycardia

A 38-year-old patient (weight: NA) from GB with the following symptoms: depression started Mirtazapine treatment (dosage: NA) on Dec 17, 2012. Soon after starting Mirtazapine treatment, the consumer experienced several side effects, including:
  • Hyperhidrosis
  • Tachycardia
. Concurrently used drugs:
  • Diazepam
  • Nitrazepam
  • Opium
  • Victrelis
This finding indicates that some patients can be more vulnerable to developing Mirtazapine side effects, such as Tachycardia.
Hyperhidrosis, Tachycardia, Withdrawal Syndrome

A patient from GB was prescribed and started Mirtazapine on Apr 01, 2013. Patient felt the following Mirtazapine side effects: hyperhidrosis, tachycardia, withdrawal syndrome Additional patient health information: male , 38 years of age, weighting 154.3 lb, The consumer reported the following symptoms: was diagnosed with and. Mirtazapine dosage: NA. Concurrently used drugs:
  • Diazepam
  • Nitrazepam
  • Opium
  • Victrelis
Hyperhidrosis, Tachycardia, Withdrawal Syndrome

This report suggests a potential Mirtazapine Tachycardia side effect(s) that can have serious consequences. A 38-year-old patient from GB (weight:NA) was diagnosed with the following health condition(s): depression and used Mirtazapine (dosage: NA) starting NS. Soon after starting Mirtazapine the patient began experiencing various side effects, including:
  • Hyperhidrosis
  • Tachycardia
  • Withdrawal Syndrome
Drugs used concurrently:
  • Diazepam (diazepam)
  • Victrelis
  • Nitrazepam (nitrazepam)
  • Opium
Although Mirtazapine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Tachycardia, may still occur.
Hyperhidrosis, Tachycardia, Withdrawal Syndrome

An adverse event was reported by a health professional on Mar 27, 2013 by a male taking Mirtazapine (dosage: 45 Milligram Daily;) was diagnosed with and. Location: GB , 38 years of age, weighting 154.3 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Mirtazapine side effects: hyperhidrosis, tachycardia, withdrawal syndrome. Additional medications/treatments:
Hyperhidrosis, Tachycardia, Withdrawal Syndrome

This Tachycardia problem was reported by a health professional from GB. A 38-year-old patient (weight: NA) was diagnosed with the following medical condition(s): depression.On Dec 17, 2012 a consumer started treatment with Mirtazapine (dosage: 45 Mg, Daily). The following drugs/medications were being taken at the same time: NA. When commencing Mirtazapine, the patient experienced the following unwanted symptoms /side effects:
  • Hyperhidrosis
  • Tachycardia
  • Withdrawal Syndrome
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.
Serotonin Syndrome, Diarrhoea, Blood Pressure Decreased, Vomiting, Tachycardia

This is a Mirtazapine side effect report of a 42-year-old female patient (weight: NA) from AU. The patient developed the following symptoms/conditions: sleep disorder,pain and was treated with Mirtazapine (dosage: 15 Mg, Qd) starting Jun 05, 2012. Concurrently used drugs:
  • Amitriptyline Hydrochloride (20 Mg, Qd)
  • Coloxyl With Senna
  • Enoxaparin Sodium
  • Lactulose
  • Mebeverine Hydrochloride
  • Metamucil
  • Movicol
  • Ondansetron Hydrochloride
Soon after that, the consumer experienced the following of symptoms:
  • Serotonin Syndrome
  • Diarrhoea
  • Blood Pressure Decreased
  • Vomiting
  • Tachycardia
This opens a possibility that Mirtazapine could cause Tachycardia and that some female patients may be more susceptible.
Metabolic Encephalopathy, Urinary Tract Infection, Serotonin Syndrome, Loss Of Consciousness, Unresponsive To Stimuli, Tachycardia, Hypertension, Hypertonia, Hyperreflexia

This Tachycardia side effect was reported by a health professional from BE on May 03, 2013. A patient from BE , 85 years of age, weighting 135.6 lb, was diagnosed with and was treated with Mirtazapine. Directly after treatment started, patient experienced the unwanted or unexpected Mirtazapine side effects: metabolic encephalopathy, urinary tract infection, serotonin syndrome, loss of consciousness, unresponsive to stimuli, tachycardia, hypertension, hypertonia, hyperreflexia. Mirtazapine dosage: 30 Mg, Unk.
Associated medications used:
  • Venlafaxine (150 Mg, Unk)
  • Bisoprolol (2.5 Mg, Unk)
  • Sodium Picosulfate
  • Levothyroxin (125 Ug, Unk)
  • Pantoprazole (20 Mg, Unk)
  • Calcium +d3
The patient was hospitalized. These side effects may potentially be related to Mirtazapine.
Sopor, Tachycardia, Intentional Self-injury, Intentional Overdose, Suicide Attempt, Heart Rate Increased

This Tachycardia side effect was reported by a pharmacist from DK. A 43-year-old patient (weight:NA) experienced the following symptoms/conditions: depression. The patient was prescribed Mirtazapine Tablets (dosage: NA), which was started on Oct 19, 2012. Concurrently used drugs:
  • Rivotril
  • Eutimil
  • Dalmadorm
When starting to take Mirtazapine Tablets the consumer reported the following symptoms:
  • Sopor
  • Tachycardia
  • Intentional Self-injury
  • Intentional Overdose
  • Suicide Attempt
  • Heart Rate Increased
The patient was hospitalized. These side effects may potentially be related to Mirtazapine Tablets.
Suicide Attempt, Intentional Self-injury, Tachycardia, Sopor, Somnolence

This Tachycardia Mirtazapine side effect was reported by a pharmacist from IT on Nov 07, 2012. A male , 43 years of age, was diagnosed with and was treated with Mirtazapine. The patient presented the following health conditions:
  • Suicide Attempt
  • Intentional Self-injury
  • Tachycardia
  • Sopor
  • Somnolence
. Mirtazapine dosage: NA. Additional drugs used at the same time: NA. The patient was hospitalized.
Intentional Self-injury, Tachycardia, Sopor, Suicide Attempt

This is a Mirtazapine side effect report of a 43-year-old patient (weight:NA) from IT, suffering from the following symptoms/conditions: depression, who was treated with Mirtazapine (dosage:NA, start time: Oct 19, 2012), combined with: NA., and developed a serious reaction and a Tachycardia side effect. The patient presented with:
  • Intentional Self-injury
  • Tachycardia
  • Sopor
  • Suicide Attempt
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Mirtazapine treatment in patients suffering from depression, resulting in Tachycardia.
Self Injurious Behaviour, Sopor, Tachycardia, Overdose

A 43-year-old patient (weight: NA) from IT with the following symptoms: depression started Mirtazapine treatment (dosage: 30 Mg, Daily) on Oct 19, 2012. Soon after starting Mirtazapine treatment, the consumer experienced several side effects, including:
  • Self Injurious Behaviour
  • Sopor
  • Tachycardia
  • Overdose
. Concurrently used drugs: NA.The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Mirtazapine side effects, such as Tachycardia.
Suicide Attempt, Overdose, Tachycardia, Sopor, Hypertension

A female patient from DE was prescribed and started Mirtazapine on Oct 10, 2012. After Mirtazapine was administered, patient encountered several Mirtazapine side effects: suicide attempt, overdose, tachycardia, sopor, hypertension Additional patient health information: Female , 53 years of age, The consumer reported the following symptoms: . Mirtazapine dosage: 40-45 Tablets. Concurrently used drugs: NA. The patient was hospitalized.
Overdose, Suicidal Behaviour, Tachycardia, Somnolence, Gastrointestinal Sounds Abnormal, Thirst

This report suggests a potential Mirtazapine Tachycardia side effect(s) that can have serious consequences. A 40-year-old female patient from DE (weight:NA) was diagnosed with the following health condition(s): NA and used Mirtazapine (dosage: NA) starting NS. Soon after starting Mirtazapine the patient began experiencing various side effects, including:
  • Overdose
  • Suicidal Behaviour
  • Tachycardia
  • Somnolence
  • Gastrointestinal Sounds Abnormal
  • Thirst
Drugs used concurrently:
  • Quetiapine
  • Doxylamine
The patient was hospitalized. Although Mirtazapine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Tachycardia, may still occur.
Tachycardia, Intentional Self-injury

An adverse event was reported by a health professional on Sep 25, 2012 by a male taking Mirtazapine (dosage: NA) . Location: IT , 43 years of age, patient began experiencing various side effects, including: Patient felt the following Mirtazapine side effects: tachycardia, intentional self-injury. Additional medications/treatments:
Multiple prescriptions taken:
  • Citalopram (citalopram)
  • Eutimil
The patient was hospitalized.
Tachycardia, Sopor, Intentional Self-injury

This Tachycardia problem was reported by a pharmacist from IT. A 43-year-old patient (weight: NA) was diagnosed with the following medical condition(s): intentional self-injury,depression.On Sep 08, 2012 a consumer started treatment with Mirtazapine (dosage: 4 Df, Total Administration). The following drugs/medications were being taken at the same time: NA. When commencing Mirtazapine, the patient experienced the following unwanted symptoms /side effects:
  • Tachycardia
  • Sopor
  • Intentional Self-injury
The patient was hospitalized. 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.
Gait Disturbance, Serotonin Syndrome, Aphasia, Psychomotor Retardation, Speech Disorder, Tachycardia, Thinking Abnormal, Headache

This is a Mirtazapine side effect report of a 53-year-old female patient (weight: NA) from GERMANY. The patient developed the following symptoms/conditions: sleep disorder,depression and was treated with Mirtazapine (dosage: 7.5 Mg; Po) starting Nov 11, 2011. Concurrently used drugs:
  • Venlafaxine (75 Mg; Po)
Soon after that, the consumer experienced the following of symptoms:
  • Gait Disturbance
  • Serotonin Syndrome
  • Aphasia
  • Psychomotor Retardation
  • Speech Disorder
  • Tachycardia
  • Thinking Abnormal
  • Headache
This opens a possibility that Mirtazapine could cause Tachycardia and that some female patients may be more susceptible.
Headache, Speech Disorder, Tachycardia, Hot Flush, Gait Disturbance, Psychomotor Retardation, Thinking Abnormal, Chills, Serotonin Syndrome

This Tachycardia side effect was reported by a physician from GERMANY on May 23, 2012. A female patient from GERMANY , 53 years of age, weighting 127.9 lb, was diagnosed with and was treated with Mirtazapine. Patient felt the following Mirtazapine side effects: headache, speech disorder, tachycardia, hot flush, gait disturbance, psychomotor retardation, thinking abnormal, chills, serotonin syndrome. Mirtazapine dosage: (7.5 Mg), Oral.
Multiple prescriptions taken:
  • Venlafaxine Hydrochloride ((75 Mg), Oral)
These side effects may potentially be related to Mirtazapine.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Mirtazapine 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


Mirtazapine Tachycardia Reviews

Mon, 27 Sep 2010

Started on 15mg and now on 30 mg after two weeks. Feel absolutely awful. No energy, always tired and getting worse. Giving it a go as i'm told it will get better as body adjusts

Sat, 04 Sep 2010

I've been on this medication for 7 days (15mg). Right now it makes me verrrry sleepy about 40mins after I take it. I have excellent sleeps, but can sleep 12-14 hours if I don't set my alarm! The only other side effect I've experienced so far, is memory lapses. I'll go to the cupboard to get something, but then forget what I went to get (this happens at least twicea day).

Sat, 08 Jan 2011

Hi, I have been on mittazapine for 10 days, sleepy , tierd all the time and slugish in response to conversation just horrid feel gastly , head ace, The worst went to bed 11pm took the 15mg pill, went to the loo at 3am and collapsed on the bedroom floor damaging my back, I was told by the doctor my blood pressure had droped to low. NEVER AGAIN!!!!!!!!!!

Fri, 25 Feb 2011

I take Atenolol. Ramipril.Atorvastatin.Levothyroxine .Asprin.and Mirtazapine.Also a Glyceryl trinitrate spray as needed.I have dizziness,fatigue,muscle pain I itch at night , also i feel the cold more , sometimes have difficulty sleeping ,feeling anxious .Last night i dreamed i was a wake but a sleep at the same time but could not wake my self up . I have been to the Doc's drop the Mirtazapine down to 15mg . Also i have a frozzen shoulder . The Doc said it will take time ,at 59 how long is time well he did give me another sick note for 2 months .you have got to smile. on ESA for the last 8 months and still going

Mon, 23 Aug 2010

this med sucks and it will kill you... real talk

Tue, 21 Sep 2010

The above comment is too stupid, I actually LOLed at you Pete... lol you gave it 2 days and your complaining about the side-effects? and on 15 mgs? LMAO!!! It takes couple weeks at least to cope with the side-effects; just like many other drug. What is this; your first ever prescription medication? Your comment is misleading for others and very stupid.

I was on 45 mgs Mirtazipine for 2 years and even when I stopped abruptly I experienced zero to none of the withdrawal symptoms people are talking about... (but that might just be me, everyone is diff, however I never heard anyone dying from taking this medication. Unless combined with Benzos, pain killers and alcohol at the same time as it will def in that case cause severe CNS Depression and consequently death.

I would take 30 mg at nighttime for anxiety/insomnia and 15mgs in the mornings or after lunch. It is an excellent antidepressant, however you munch out a lot while on it, and you def put of more weight than before you start the medication. So, if weight gain is an issue for you, stay away from this one. Talk to your physician about alternate choices. Probably the best is Welbutrin if you weight is an issue for you.

Thu, 24 Mar 2011

the effects on my system where wide andvariedfirst thing i noticed where vividdreamsmore to the pointnight terrorstheymanifestedin aterror-strickensensation.Icould herewhatwas going on around me but waspowerlessto move I live alone and I amnearly50years old but I could hear myselfshoutingfor help but there was no one.Ifelt that if i did not move and soonI woulddie, then I started putting lots of weight on and haveclimbedupto 18 stone, then mouth ulcers and gum disorders then to cap it off I GOT WIDESPREADParesthesia,I only needed themoriginalyto help me sleep as my darling wife of 32 years told me i wassurplus torequirements, and that after 15 years as a coal miner,BUT YOU KNOW. I STILL LOVE HER VERY MUCHwewhere school sweethearts pathetic I know. as for thE mirtaz I have of course stopped taking them.I laterfoundouttheyarealsoprescribedfor p.t.s.s,and now i'm toembarrassedto leave my flat.anywaylet this be a warning to others. thanks for taking the time to read this and get them banned TTFN

Tue, 24 Jan 2012

Hi, I just started Mirtazapine in 11/11 because of the sensitivity of my body and how it reacts to medications I had to start at a low dosage (15mg cut into 4 pc. for 3.75mg) I have recently increased my dosage to 7.5mg (1/2 15mg tablet) I have experienced weight gain (20lbs in one month) breast enlargement, blurred vision, angered easily and we just did a blood panel and I am showing elevated liver enzymes more than 3 times the high amount, we have done a ultra sound and my liver looks great I also have no accompanying symptems (i.e. jaundice, dark urine)! However I am also getting low HCT (hematocrit) and feel very tired at times. Low hematocrit is a sign of anemia however I clot just fine and am not an excessive bleeder. I also have noticed swelling in my extremities exspecially my hands. I follow up with the Dr on 2/7/12 to do another CBC.

Wed, 13 Oct 2010

Wery tired and sleepy during the day, but suffering from insomnia at night.

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

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Top Mirtazapine Side Effects

Completed Suicide (237)
Confusional State (206)
Hyponatraemia (180)
Depression (160)
Overdose (148)
Anxiety (147)
Fall (136)
Dizziness (130)
Agitation (130)
Condition Aggravated (123)
Somnolence (117)
Insomnia (113)
Headache (110)
Serotonin Syndrome (109)
Suicidal Ideation (107)
Fatigue (105)
Loss Of Consciousness (104)
Convulsion (103)
Aggression (103)
Suicide Attempt (100)
Nausea (96)
Oedema Peripheral (93)
Dyspnoea (92)
Weight Increased (90)
Tachycardia (90)
Tremor (84)
Malaise (82)
Vomiting (75)
Restless Legs Syndrome (75)
Myalgia (73)
Alanine Aminotransferase Increased (72)
Cardiac Arrest (71)
Inappropriate Antidiuretic Hormone Secretion (71)
Feeling Abnormal (70)
Toxicity To Various Agents (69)
Asthenia (69)
Diarrhoea (67)
Syncope (62)
Hyperhidrosis (61)
Neuroleptic Malignant Syndrome (61)
Pain In Extremity (61)
Electrocardiogram Qt Prolonged (60)
Pyrexia (59)
Aspartate Aminotransferase Increased (58)
Pulmonary Embolism (57)
Arthralgia (56)
Hypotension (56)
Irritability (56)
Pain (55)
Gait Disturbance (54)

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