Mirtazapine is used to treat and prevent depression, and sometimes other conditions.
Take mirtazapine regularly as directed with a glass of water, usually at night-time. Swallow the tablets whole.
Take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time.
Some medicines available without a prescription may react with mirtazapine including:
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs (e.g. ecstasy).
|Side Effects||Recommended action|
Change in heartbeat
Muscle twitching or shaking you can’t control, confusion, heavy sweating, fever
Chills, sore throat, tiredness
|Tell your doctor immediately|
|Tell your doctor|
Drowsiness, dizziness, weakness
Dry mouth, change of appetite, weight gain
Joint, muscle or bone aches and pains
Constipation, stomach upset
|Tell your doctor if troublesome|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. January 2020
For more general information about this sheet annd its contents, see: What does a My Medicines sheet cover?
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed