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Mirtazapine Irritability Side Effects

Mirtazapine Irritability Side Effect Reports


The following Mirtazapine Irritability side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Irritability, 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.



Confusional State, Fatigue, Irritability, Feeling Abnormal, Dry Mouth, Abnormal Dreams, Product Substitution Issue, Mental Disorder

This Irritability side effect was reported by a consumer or non-health professional from US. A 21-year-old patient (weight:NA) experienced the following symptoms/conditions: sleep disorder. The patient was prescribed Mirtazapine (dosage: NA), which was started on Nov 18, 2013. Concurrently used drugs: NA. When starting to take Mirtazapine the consumer reported the following symptoms:
  • Confusional State
  • Fatigue
  • Irritability
  • Feeling Abnormal
  • Dry Mouth
  • Abnormal Dreams
  • Product Substitution Issue
  • Mental Disorder
These side effects may potentially be related to Mirtazapine.
Agitation, Irritability, Mood Swings, Nightmare

This Irritability Mirtazapine (mirtazapine) side effect was reported by a physician from GB on Oct 31, 2013. A male , 34 years of age, weighting 143.7 lb, was treated with Mirtazapine (mirtazapine). The patient presented the following health conditions:
  • Agitation
  • Irritability
  • Mood Swings
  • Nightmare
. Mirtazapine (mirtazapine) dosage: NA. Additional drugs used at the same time:
  • Diazepam (diazepam)
  • Trazodone (trazodone)
Irritability, Mood Swings, Agitation, Nightmare

This is a Mirtazapine side effect report of a 34-year-old patient (weight:NA) from GB, suffering from the following symptoms/conditions: NA, who was treated with Mirtazapine (dosage:Unk Ukn, Unk, start time: Mar 19, 2013), combined with:
  • Trazodone (Unk Ukn, Unk)
  • Diazepam (Unk Ukn, Unk)
, and developed a serious reaction and a Irritability side effect. The patient presented with:
  • Irritability
  • Mood Swings
  • Agitation
  • Nightmare
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Mirtazapine treatment in patients suffering from NA, resulting in Irritability.

Irritability, Agitation, Mood Swings, Nightmare

A 34-year-old patient (weight: NA) from GB with the following symptoms: NA started Mirtazapine treatment (dosage: Unk) on Mar 19, 2013. Soon after starting Mirtazapine treatment, the consumer experienced several side effects, including:
  • Irritability
  • Agitation
  • Mood Swings
  • Nightmare
. Concurrently used drugs:
  • Diazepam (Unk)
  • Trazodone Hydrochloride (Unk)
This finding indicates that some patients can be more vulnerable to developing Mirtazapine side effects, such as Irritability.
Agitation, Mood Swings, Nightmare, Irritability

A patient from GB was prescribed and started Mirtazapine on Jul 10, 2013. Patient felt the following Mirtazapine side effects: agitation, mood swings, nightmare, irritability Additional patient health information: male , 34 years of age, weighting 143.7 lb, The consumer reported the following symptoms: . Mirtazapine dosage: NA. Concurrently used drugs:
  • Diazepam
  • Trazodone
Depression, Anxiety, Insomnia, Psychomotor Hyperactivity, Logorrhoea, Disinhibition, Tachyphrenia, Irritability, Aggression

This report suggests a potential Mirtazapine (mirtazapine) Irritability side effect(s) that can have serious consequences. A 45-year-old patient from RO (weight:NA) was diagnosed with the following health condition(s): NA and used Mirtazapine (mirtazapine) (dosage: NA) starting 1997. Soon after starting Mirtazapine (mirtazapine) the patient began experiencing various side effects, including:
  • Depression
  • Anxiety
  • Insomnia
  • Psychomotor Hyperactivity
  • Logorrhoea
  • Disinhibition
  • Tachyphrenia
  • Irritability
  • Aggression
Drugs used concurrently:
  • Xanax (alprazolam)
  • Sertraline Hcl
  • Risperidone (risperidone)
  • Seroquel (quetiapine Fumarate)
  • Rivotril (clonazepam)
  • Zyprexa (olanzapine)
  • Orfiril
  • Diazepam (diazepam)
The patient was hospitalized. Although Mirtazapine (mirtazapine) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Irritability, may still occur.
Anger, Irritability

An adverse event was reported by a health professional on Dec 31, 2012 by a male taking Mirtazapine (mirtazapine) (dosage: NA) was diagnosed with and. Location: GB , 37 years of age, weighting 168.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Mirtazapine side effects: anger, irritability. Additional medications/treatments:
Associated medications used:
  • Sertraline (sertraline) (sertraline)
Anger, Irritability

This Irritability problem was reported by a consumer or non-health professional from GB. A 37-year-old patient (weight: NA) was diagnosed with the following medical condition(s): anxiety,depression.On Dec 06, 2012 a consumer started treatment with Mirtazapine (dosage: 15 Mg, Unk). The following drugs/medications were being taken at the same time: NA. When commencing Mirtazapine, the patient experienced the following unwanted symptoms /side effects:
  • Anger
  • Irritability
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Irritability, may become evident only after a product is in use by the general population.
Confusional State, Irritability, Paranoia, Psychotic Disorder, Depressed Mood, Suicidal Ideation, Anxiety, Cognitive Disorder

This is a Mirtazapine side effect report of a 38-year-old patient (weight: NA) from COUNTRY NOT SPECIFIED. The patient developed the following symptoms/conditions: anxiety,low mood and was treated with Mirtazapine (dosage: NA) starting Aug 08, 2008. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Confusional State
  • Irritability
  • Paranoia
  • Psychotic Disorder
  • Depressed Mood
  • Suicidal Ideation
  • Anxiety
  • Cognitive Disorder
This opens a possibility that Mirtazapine could cause Irritability and that some patients may be more susceptible.
Confusional State, Irritability, Paranoia, Psychotic Disorder, Depressed Mood, Suicidal Ideation, Anxiety, Cognitive Disorder

This Irritability side effect was reported by a physician from COUNTRY NOT SPECIFIED on Mar 29, 2013. A patient from COUNTRY NOT SPECIFIED , 38 years of age, weighting 286.6 lb, was diagnosed with and was treated with Mirtazapine. Directly after treatment started, patient experienced the unwanted or unexpected Mirtazapine side effects: confusional state, irritability, paranoia, psychotic disorder, depressed mood, suicidal ideation, anxiety, cognitive disorder. Mirtazapine dosage: NA. These side effects may potentially be related to Mirtazapine.
Irritability, Confusional State, Paranoia

This Irritability side effect was reported by a health professional from DK. A 38-year-old patient (weight:NA) experienced the following symptoms/conditions: depressed mood. The patient was prescribed Mirtazapine (dosage: NA), which was started on Jan 04, 2012. Concurrently used drugs: NA. When starting to take Mirtazapine the consumer reported the following symptoms:
  • Irritability
  • Confusional State
  • Paranoia
These side effects may potentially be related to Mirtazapine.
Psychotic Disorder, Irritability, Paranoia, Confusional State

This Irritability Mirtazapine side effect was reported by a physician from GB on Oct 11, 2012. A male , 38 years of age, weighting 285.5 lb, was diagnosed with and was treated with Mirtazapine. The patient presented the following health conditions:
  • Psychotic Disorder
  • Irritability
  • Paranoia
  • Confusional State
. Mirtazapine dosage: 15 Mg, Unk. Additional drugs used at the same time: NA.
Confusional State, Irritability, Psychotic Disorder, Paranoia, Cognitive Disorder, Suicidal Ideation

This is a Mirtazapine side effect report of a 38-year-old patient (weight:NA) from , suffering from the following symptoms/conditions: anxiety, who was treated with Mirtazapine (dosage:(15 Mg), Oral, (30 Mg), Oral, (15 Mg), Oral, start time: Jan 17, 2012), combined with: NA., and developed a serious reaction and a Irritability side effect. The patient presented with:
  • Confusional State
  • Irritability
  • Psychotic Disorder
  • Paranoia
  • Cognitive Disorder
  • Suicidal Ideation
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Mirtazapine treatment in patients suffering from anxiety, resulting in Irritability.
Confusional State, Paranoia, Psychotic Disorder, Irritability

A 38-year-old patient (weight: NA) from with the following symptoms: depressed mood started Mirtazapine treatment (dosage: (15 Mg), Oral) on Jan 04, 2012. Soon after starting Mirtazapine treatment, the consumer experienced several side effects, including:
  • Confusional State
  • Paranoia
  • Psychotic Disorder
  • Irritability
. Concurrently used drugs:
  • Fluoxetine
This finding indicates that some patients can be more vulnerable to developing Mirtazapine side effects, such as Irritability.
Irritability, Confusional State, Paranoia, Psychotic Disorder

A patient from UNITED KINGDOM was prescribed and started Mirtazapine on Apr 02, 2012. After Mirtazapine was administered, patient encountered several Mirtazapine side effects: irritability, confusional state, paranoia, psychotic disorder Additional patient health information: male , 38 years of age, weighting 285.5 lb, The consumer reported the following symptoms: was diagnosed with and. Mirtazapine dosage: 30 Mg, Unk (dose Reduced To 15mg On 09/03/12,with A View To Withdraw 15/03/12). Concurrently used drugs: NA.
Confusional State, Irritability, Psychotic Disorder, Paranoia

This report suggests a potential Mirtazapine Irritability side effect(s) that can have serious consequences. A 38-year-old patient from UNITED KINGDOM (weight:NA) was diagnosed with the following health condition(s): NA and used Mirtazapine (dosage: NA) starting Jan 04, 2012. Soon after starting Mirtazapine the patient began experiencing various side effects, including:
  • Confusional State
  • Irritability
  • Psychotic Disorder
  • Paranoia
Drugs used concurrently:NA. Although Mirtazapine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Irritability, may still occur.
Pain, Asthenia, Depression, Irritability, Logorrhoea, Psychomotor Hyperactivity, Speech Disorder, Mania, Suicidal Ideation

An adverse event was reported by a health professional on Mar 29, 2013 by a Female taking Mirtazapine (mirtazapine) (dosage: NA) . Location: IN , 42 years of age, patient began experiencing various side effects, including: Patient felt the following Mirtazapine side effects: pain, asthenia, depression, irritability, logorrhoea, psychomotor hyperactivity, speech disorder, mania, suicidal ideation. Additional medications/treatments:
Multiple prescriptions taken:
  • Fluoxetine
  • Escitalopram Oxalate
Insomnia, Disturbance In Attention, Palpitations, Dizziness, Chest Discomfort, Eructation, Irritability, Depressed Mood, Musculoskeletal Stiffness

This Irritability problem was reported by a physician from JAPAN. A 49-year-old patient (weight: NA) was diagnosed with the following medical condition(s): depression.On Jan 01, 2011 a consumer started treatment with Mirtazapine (dosage: Unk). The following drugs/medications were being taken at the same time: NA. When commencing Mirtazapine, the patient experienced the following unwanted symptoms /side effects:
  • Insomnia
  • Disturbance In Attention
  • Palpitations
  • Dizziness
  • Chest Discomfort
  • Eructation
  • Irritability
  • Depressed Mood
  • Musculoskeletal Stiffness
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 Irritability, may become evident only after a product is in use by the general population.
Irritability, Anger, Aggression, Somnolence

This is a Mirtazapine side effect report of a 56-year-old patient (weight: NA) from JAPAN. The patient developed the following symptoms/conditions: depression and was treated with Mirtazapine (dosage: 15 Mg;qd;po ; 30 Mg;qd;po ; 15 Mg;qd;po) starting Sep 07, 2010. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Irritability
  • Anger
  • Aggression
  • Somnolence
This opens a possibility that Mirtazapine could cause Irritability and that some patients may be more susceptible.
Musculoskeletal Stiffness, Insomnia, Palpitations, Peripheral Coldness, Dizziness, Depressed Mood, Decreased Appetite, Eructation, Irritability

This Irritability side effect was reported by a physician from JAPAN on Aug 08, 2011. A patient from JAPAN , 49 years of age, was treated with Mirtazapine. Patient felt the following Mirtazapine side effects: musculoskeletal stiffness, insomnia, palpitations, peripheral coldness, dizziness, depressed mood, decreased appetite, eructation, irritability. Mirtazapine dosage: Unk.
Multiple prescriptions taken:
  • Cymbalta (20 Mg, Qd)
The patient was hospitalized. 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 Irritability Causes and Reviews


For most adults, moderate alcohol use is probably not harmful. However, about 18 million adult Americans have an alcohol use disorder (AUD). This means that their drinking causes distress and harm. It includes alcoholism and alcohol abuse.

Alcoholism, or alcohol dependence, is a disease that causes

  • Craving - a strong need to drink
  • Loss of control - not being able to stop drinking once you've started
  • Physical dependence - withdrawal symptoms
  • Tolerance - the need to drink more alcohol to feel the same effect

With alcohol abuse, you are not physically dependent, but you still have a serious problem. The drinking may cause problems at home, work, or school. It may cause you to put yourself in dangerous situations, or lead to legal or social problems.

Another common problem is binge drinking. It is drinking about five or more drinks in two hours for men. For women, it is about four or more drinks in two hours.

Too much alcohol is dangerous. Heavy drinking can increase the risk of certain cancers. It can cause damage to the liver, brain, and other organs. Drinking during pregnancy can harm your baby. Alcohol also increases the risk of death from car crashes, injuries, homicide, and suicide.

You may have an AUD if you can answer yes to two or more of these questions:

In the past year, have you

  • Ended up drinking more or for a longer time than you had planned to?
  • Wanted to cut down or stop drinking, or tried to, but couldn't?
  • Spent a lot of your time drinking, or recovering from drinking?
  • Felt a strong need to drink?
  • Found that drinking - or being sick from drinking - often interfered with your family life, job, or school?
  • Kept drinking even though it was causing trouble with your family or friends?
  • Given up or cut back on activities that you enjoyed just so you could drink?
  • Gotten into dangerous situations while drinking or after drinking? Some examples are driving drunk and having unsafe sex.
  • Kept drinking even though it was making you feel depressed or anxious? Or when it was adding to another health problem?
  • Had to drink more and more to feel the effects of the alcohol?
  • Had withdrawal symptoms when the alcohol was wearing off? They include trouble sleeping, shakiness, Irritability, anxiety, depression, restlessness, nausea, and sweating. In severe cases, you could have a fever, seizures, or hallucinations.

If you have any of these symptoms, your drinking may already be a cause for concern. The more symptoms you have, the more serious the problem is. If you think you might have an AUD, see your health care provider for an evaluation. Your provider can help make a treatment plan, prescribe medicines, and if needed, give you treatment referrals.

NIH: National Institute on Alcohol Abuse and Alcoholism


Mirtazapine Irritability 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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Agitation (130)
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Electrocardiogram Qt Prolonged (60)
Pyrexia (59)
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Pulmonary Embolism (57)
Arthralgia (56)
Hypotension (56)
Irritability (56)
Pain (55)
Gait Disturbance (54)

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