Compare Side Effects

% of total side effects reported by users. DISCLAIMER: ALL DATA PROVIDED AS-IS. Data Source: openfda.gov.
Side Effect Mirtazapine Promethazine
NAUSEA 2.5% 5%
PAIN 1.5% 3.3%
VOMITING 1.9% 3.2%
FATIGUE 2.1% 2.6%
DIARRHOEA 2% 2.6%
DRUG INTERACTION 2.5% 0.6%
HEADACHE 1.7% 2.3%
DYSPNOEA 1.8% 2.2%
ANXIETY 2.1% 2.1%
DEPRESSION 2.1% 1.7%
COMPLETED SUICIDE 2.1% 1.2%
FALL 2% 1.5%
CONFUSIONAL STATE 2% 0.8%
DIZZINESS 1.9% 1.7%
TOXICITY TO VARIOUS AGENTS 1.9% 1.4%
DRUG INEFFECTIVE 1.8% 1.8%
ASTHENIA 1.5% 1.7%
MALAISE 1.7% 1.5%
DEATH 1.6% 1.5%
INSOMNIA 1.6% 1.3%
ABDOMINAL PAIN 0.9% 1.6%
SOMNOLENCE 1.6% 0.9%
PYREXIA 1.2% 1.5%
PNEUMONIA 1.2% 1.5%
TREMOR 1.5% 0.8%
OVERDOSE 1.5% 0.7%
SUICIDAL IDEATION 1.5% 0%
AGITATION 1.4% 0.5%
WEIGHT DECREASED 1.1% 1.3%
BACK PAIN 0.7% 1.3%
ARTHRALGIA 1.1% 1.2%
HYPOTENSION 1.2% 1%
PAIN IN EXTREMITY 1% 1.2%
DEHYDRATION 0.8% 1.2%
CHEST PAIN 0.7% 1.2%
CONDITION AGGRAVATED 1.2% 0.7%
SUICIDE ATTEMPT 1.2% 0.6%
INJURY 0% 1.2%
DECREASED APPETITE 1.1% 1.1%
DRUG ABUSE 1.1% 1%
CONSTIPATION 0.9% 1.1%
HYPERTENSION 0.8% 1.1%
ANAEMIA 0.7% 1.1%
WEIGHT INCREASED 1% 0.8%
HYPERHIDROSIS 1% 0.7%
RASH 0.7% 1%
URINARY TRACT INFECTION 0.7% 1%
LOSS OF CONSCIOUSNESS 1% 0.6%
HYPONATRAEMIA 1% 0%
TACHYCARDIA 1% 0%
OFF LABEL USE 0.9% 0.7%
GAIT DISTURBANCE 0.9% 0.7%
OEDEMA PERIPHERAL 0.7% 0.9%
PARAESTHESIA 0.9% 0.6%
ABDOMINAL PAIN UPPER 0.5% 0.9%
SEROTONIN SYNDROME 0.9% 0%
COUGH 0% 0.9%
CARDIAC ARREST 0.8% 0.8%
MUSCLE SPASMS 0.8% 0.8%
FEELING ABNORMAL 0.8% 0.7%
PULMONARY EMBOLISM 0.5% 0.8%
CONVULSION 0.8% 0.5%
AGGRESSION 0.8% 0%
INTENTIONAL OVERDOSE 0.8% 0%
DEEP VEIN THROMBOSIS 0% 0.8%
DIABETES MELLITUS 0.6% 0.7%
HYPOAESTHESIA 0.6% 0.7%
PRURITUS 0.6% 0.7%
SYNCOPE 0.7% 0.6%
DYSPHAGIA 0.7% 0.5%
MYALGIA 0.7% 0.5%
DRUG DOSE OMISSION 0% 0.7%
MIGRAINE 0% 0.7%
CHOLECYSTITIS CHRONIC 0% 0.7%
EMOTIONAL DISTRESS 0% 0.7%
DRUG HYPERSENSITIVITY 0% 0.7%
HAEMOGLOBIN DECREASED 0.5% 0.6%
CEREBROVASCULAR ACCIDENT 0.5% 0.6%
PALPITATIONS 0.6% 0.5%
MEMORY IMPAIRMENT 0.6% 0.5%
VISION BLURRED 0.6% 0.5%
RESTLESSNESS 0.6% 0%
GASTROOESOPHAGEAL REFLUX DISEASE 0% 0.6%
HALLUCINATION 0.6% 0%
ELECTROCARDIOGRAM QT PROLONGED 0.6% 0%
SOPOR 0.6% 0%
DRUG WITHDRAWAL SYNDROME 0.6% 0%
CARDIAC FAILURE CONGESTIVE 0% 0.6%
CHOLELITHIASIS 0% 0.6%
DYSPEPSIA 0% 0.6%
BLOOD PRESSURE INCREASED 0% 0.6%
RENAL FAILURE 0% 0.6%
SINUSITIS 0% 0.6%
MYOCARDIAL INFARCTION 0% 0.6%
BRONCHITIS 0% 0.6%
CARDIO-RESPIRATORY ARREST 0% 0.6%
SLEEP DISORDER 0.6% 0%
DELIRIUM 0.6% 0%
RENAL FAILURE ACUTE 0.5% 0.5%
SEPSIS 0.5% 0.5%
RESPIRATORY ARREST 0.5% 0.5%
NEUROPATHY PERIPHERAL 0% 0.5%
ABDOMINAL DISCOMFORT 0% 0.5%
CHILLS 0% 0.5%
GALLBLADDER DISORDER 0% 0.5%
RHABDOMYOLYSIS 0.5% 0%
BLOOD GLUCOSE INCREASED 0% 0.5%
ABDOMINAL DISTENSION 0% 0.5%
HYPERSENSITIVITY 0% 0.5%
CONTUSION 0% 0.5%
INJECTION SITE PAIN 0% 0.5%
OSTEOPOROSIS 0% 0.5%
DISORIENTATION 0.5% 0%
CHRONIC OBSTRUCTIVE PULMONARY DISEASE 0% 0.5%
ATRIAL FIBRILLATION 0% 0.5%
GENERAL PHYSICAL HEALTH DETERIORATION 0.5% 0%
PSYCHOTIC DISORDER 0.5% 0%
ACUTE KIDNEY INJURY 0.5% 0%
NIGHTMARE 0.5% 0%
BALANCE DISORDER 0.5% 0%
ABNORMAL BEHAVIOUR 0.5% 0%
COMA 0.5% 0%
DISTURBANCE IN ATTENTION 0.5% 0%
RESTLESS LEGS SYNDROME 0.5% 0%
NEUTROPENIA 0.5% 0%
BLOOD CREATINE PHOSPHOKINASE INCREASED 0.5% 0%
DEPRESSED MOOD 0.5% 0%
ALANINE AMINOTRANSFERASE INCREASED 0.5% 0%
WITHDRAWAL SYNDROME 0.5% 0%
DYSKINESIA 0.5% 0%

New treatments are found every day. View current Mirtazapine research studies and Promethazine clinical trials


Top 5 Mirtazapine Reported Side Effects

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Top 5 Promethazine Reported Side Effects

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Patient Forum

Recent Comments and Reports

i have been on citalopram and amatripolineand fluxaitne i have been on 15mg of mirtazapine and tryed 30mg the doc has put me on 45mg and i asked if these tablets dont work what is next hes said shrink as i have tryed all the ones he said but i have

My symptoms were tired, weak, unable to sleep. Was prescribed half of a 15 MG Mirtazapine nightly to help me sleep. Has this drug been successful used as a sleeping aid?

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 m

48 year old male, I have suffered depression all my life. Have used SSRI's for the last ten years with good but mixed results. Last year lost my job due to an episode where I ended up throwing my monitor across the office and have not been able to wo

After a nasty experience with citalapram i was advised by my doc to try mirtazapine and it has suitedme very well. only side effect i canreport is an appetite increase. However as i don't carry much weight that isnt a problem.&

Back pain

Been on 90mg mirtazapine for 6 years twice the recomended dose is this considered safe

Body covered in hives

Does mirtazapine have muscles side effects?

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 collapse

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 exper

Hi, my name is Tracy I was on Seroxat for over 10yrs and after having suicidal thoughts eventually ended up in hospital. Realising that the seroxat was not working anymore for me was prescribed Mirtazapine at 15mg and then increased to 30mg. After be

i have been on citalopram and amatripolineand fluxaitne i have been on 15mg of mirtazapine and tryed 30mg the doc has put me on 45mg and i asked if these tablets dont work what is next hes said shrink as i have tryed all the ones he said but i have

My symptoms were tired, weak, unable to sleep. Was prescribed half of a 15 MG Mirtazapine nightly to help me sleep. Has this drug been successful used as a sleeping aid?

After a nasty experience with citalapram i was advised by my doc to try mirtazapine and it has suitedme very well. only side effect i canreport is an appetite increase. However as i don't carry much weight that isnt a problem.&

Been on 90mg mirtazapine for 6 years twice the recomended dose is this considered safe

Does mirtazapine have muscles side effects?

Hallucinated for three days and that was on the minimal dose. along with that i had nausea and headaches that almost felt as if my head would explode. Luckily my doc took it seriously and changed my meds to mirtazapine. No side effects at all..

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 exper

Hi, my name is Tracy I was on Seroxat for over 10yrs and after having suicidal thoughts eventually ended up in hospital. Realising that the seroxat was not working anymore for me was prescribed Mirtazapine at 15mg and then increased to 30mg. After be

I have been on Champix for 1 week and have now been instructed by my doctor to take Mirtazapine due to a resurfacing of my depression. He also suggested I stop taking the Champix, but I really want to continue to give up smoking. Does anyone know if

I started mirtazapine last night for severe anxiety. Slept well, though had very horrible vivid dream that even when i woke it felt like it was still happening. Very hard to get up. Felt very angry, worried myself more about how a