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Mirtazapine

Mirtazapine is a brand of Mirtazapine.

Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults [see Clinical Studies (14) ]. Mirtazapine tablets are.

Checked against the official label · Updated

Prescription medicine Oral Safety alerts on record

How to use Mirtazapine

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Serious warning: SUICIDAL THOUGHTS AND BEHAVIORS Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adult patients in short-term studies. Closely monitor all antidepressant-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions (5.1) ] . Mirtazapine tablets are not approved for use in pediatric patients [see Use in Specific Populations (8.4) ]. …
Who it is for

Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults [see Clinical Studies (14) ]. Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults. ( 1 )

How to take it and how often
  • Starting dose: 15 mg once daily; may increase up to maximum recommended dose of 45 mg once daily. • Administer orally once daily, preferably in the evening prior to sleep. • Reduce dose gradually when discontinuing mirtazapine tablets
  • Recommended Dosage The recommended starting dose of mirtazapine tablets is 15 mg once daily, administered orally, preferably in the evening prior to sleep
  • If patients do not have an adequate response to the initial 15 mg dose, increase the dose up to a maximum of 45 mg per day
  • Dose changes should not be made in intervals of less than 1 to 2 weeks to allow sufficient time for evaluation of response to a given dose [see Clinical Pharmacology ]
  • Screen for Bipolar Disorder Prior to Starting Mirtazapine Tablets Prior to initiating treatment with mirtazapine tablets or another antidepressant, screen patients for a personal or family history of bipolar disorder, mania, or hypomania [see Warnings and Precautions ]
  • Switching Patients to or from a Monoamine Oxidase Inhibitor Antidepressant At least 14 days must elapse between discontinuation of a monoamine oxidase inhibitor (MAOI) antidepressant and initiation of mirtazapine tablets
  • In addition, at least 14 days must elapse after stopping mirtazapine tablets before starting an MAOI antidepressant [see Contraindications and Warnings and Precautions ]. …
Strengths it comes in

Mirtazapine tablets USP are supplied as: • 7.5 mg tablets: White, biconvex, capsule shaped film coated tablets with “11” debossed on one side and “A” debossed on the other side. • 15 mg tablets: Yellow, biconvex, capsule shaped film coated tablets with a score line in between “0” and “8” on one side and “A” debossed on the other side. …

Children
  • The safety and effectiveness of mirtazapine have not been established
  • In pediatric patients with MDD
  • Two placebo-controlled trials in 258
  • Pediatric patients with MDD have been conducted with mirtazapine, and the data were insufficient to establish the safety and effectiveness of mirtazapine
  • In pediatric patients with MDD
  • Antidepressants increased the risk of suicidal thoughts and behaviors
  • In pediatric patients [see Boxed Warning and Warnings and Precautions ]. …
Older adults

Approximately 190 patients ≥65 years of age participated in clinical studies with mirtazapine. Mirtazapine is known to be substantially excreted by the kidney (75%), and the risk of decreased clearance of this drug is greater in patients with impaired renal function. Pharmacokinetic studies revealed a decreased clearance of mirtazapine in the elderly [see Clinical Pharmacology (12.3) ]. …

While you are taking it
  • Advise the patient to read the FDA-approved patient labeling ( Error! Hyperlink reference not valid. )
  • Suicidal Thoughts and Behaviors Advise patients and caregivers to look for the emergence of suicidality, especially early during treatment and when the dosage is adjusted up or down, and instruct them to report such symptoms to the healthcare provider [see Boxed Warning and Warnings and Precautions ]
  • Agranulocytosis Advise patients to contact their physician if they experience fever, chills, sore throat, mucous membrane ulceration, flu-like complaints, or other symptoms that might suggest infection [see Warnings and Precautions ]. …
Talk to a doctor first if

Mirtazapine tablets are contraindicated in patients: • Taking, or within 14 days of stopping, MAOIs (including the MAOIs linezolid and intravenous methylene blue) because of an increased risk of serotonin syndrome [see Warnings and Precautions (5.3) , Drug Interactions (7) ]. • With a known hypersensitivity to mirtazapine or to any of the excipients in mirtazapine tablets. …

Medicines it may not mix with

Table 5 includes clinically important drug interactions with mirtazapine [see Clinical Pharmacology (12.3) ]. Table 5: Clinically Important Drug Interactions with Mirtazapine Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact The concomitant use of serotonergic drugs, including mirtazapine, and MAOIs increases the risk of serotonin syndrome. Intervention Mirtazapine is contraindicated in patients taking MAOIs, including MAOIs such as linezolid or intravenous methylene blue [see Dosage and Administration (2.4) , Contraindications (4) , Warnings and Precautions (5.3) ]. …

Warnings

• Agranulocytosis: If sore throat, fever, stomatitis or signs of infection occur, along with a low white blood cell count, treatment with mirtazapine should be discontinued and the patient should be closely monitored. ( 5.2 ) • Serotonin Syndrome: Increased risk when co-administered with other serotonergic drugs (e.g., SSRI, SNRI, triptans), but also when taken alone. If it occurs, discontinue mirtazapine and initiate supportive treatment. ( 2.4 , 4 , 5.3 , 7 ) • Angle-Closure Glaucoma: Angle closure glaucoma has occurred in patients with untreated anatomically narrow angles treated with antidepressants. …

Possible side effects

The following adverse reactions are described in more detail in other sections of the prescribing information: • Hypersensitivity [see Contraindications (4) ] • Suicidal Thoughts and Behaviors [see Warnings and Precautions (5.1) ] • Agranulocytosis [see Warnings and Precautions (5.2) ] • Serotonin Syndrome [see Contraindications (4) , Warnings and Precautions (5.3) , Drug Interactions (7) ] • Angle-Closure Glaucoma [see Warnings and Precautions (5.4) ] • QT Prolongation and Torsades de Pointes [see Warnings and Precautions (5.5) ] • Increased Appetite and Weight Gain [see Warnings and Precautions (5.6) ] • Somnolence [see Warnings and Precautions (5.7) ] • Activation of Mania or Hypomania [s …

Pregnancy and breastfeeding

8.1 Pregnancy Reproduction studies in pregnant rats and rabbits at doses up to 100 mg/kg and 40 mg/kg, respectively [20 and 17 times the maximum recommended human dose (MRHD) on an mg/m 2 basis, respectively], have revealed no evidence of teratogenic effects. However, in rats, there was an increase in post-implantation losses in dams treated with mirtazapine. …

If you take too much

Human Experience In premarketing clinical studies, there were reports of mirtazapine overdose alone or in combination with other pharmacological agents. Signs and symptoms reported in association with overdose included disorientation, drowsiness, impaired memory, and tachycardia. Based on postmarketing reports, serious outcomes (including fatalities) may occur at dosages higher than the recommended doses, especially with mixed overdoses. …

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2022-08-01.

Same medicine, other brands

Products with Mirtazapine as the active ingredient. Names differ between countries.

Registered products

United States (FDA)

MirtazapineMIRTAZAPINE 30 mg/1 · Tablet, Film Coated · Rising Pharma Holdings, Inc.
NDC 57237-009Label
MirtazapineMIRTAZAPINE 30 mg/1 · Tablet, Film Coated · Proficient Rx LP
NDC 63187-403Label
MirtazapineMIRTAZAPINE 30 mg/1 · Tablet, Orally Disintegrating · Viona Pharmaceuticals Inc.
NDC 72578-104Label
MirtazapineMIRTAZAPINE 7.5 mg/1 · Tablet, Film Coated · Rising Pharma Holdings, Inc.
NDC 57237-007Label
MirtazapineMIRTAZAPINE 15 mg/1 · Tablet, Film Coated · Rising Pharma Holdings, Inc.
NDC 57237-008Label

Nigeria (NAFDAC)

NAFDACMirtazapine 15 mg Tablets C4-1801NAFDACMirtazapine 30 mg Tablets C4-1802NAFDACMirtazapine 45 mg Tablets C4-1871

Other countries: check your pack's registration number and we point you to your regulator.

Safety alerts and recalls

Mirtazapine Tablets, USP 15mg, 30-count bottles, Rx Only, Distributed by: Aurobindo Pharma USA, Inc. Dayton, NJ 08810, NDC 13107-031-34U.S. FDA Class II
18 Mar 2020 · Aurobindo Pharma USA Inc. · TerminatedCGMP Deviations: Products were manufactured in a processing area in which water leakage was observed
Mirtazapine Tablets, USP, 15 mg, 500-count tablets, Rx only, Distributed by: Aurobindo Pharma USA, Inc. Dayton, NJ 08810 NDC 13107-031-05U.S. FDA Class I
20 Nov 2019 · AuroMedics Pharma LLC · TerminatedLabeling: Label Error on Declared Strength; cases labelled Mirtazapine 15mg tablets, 500-count bottles, contain 500-count bottles of Mirtazapine 15mg tablets labelled as Mirtazapine 7.5 mg tablets.
Mirtazapine Tablets, USP, 7.5 mg, 500-count tablets, Rx only, Distributed by: Aurobindo Pharma USA, Inc. Dayton, NJ 08810 NDC 13107-001-05U.S. FDA Class I
20 Nov 2019 · AuroMedics Pharma LLC · TerminatedLabeling: Label Error on Declared Strength; cases labelled Mirtazapine 15mg tablets, 500-count bottles, contain 500-count bottles of Mirtazapine 15mg tablets labelled as Mirtazapine 7.5 mg tablets.
Mirtazapine Tablets, USP 45 mg, a) 30 count, b) 100 count and c) 500 count bottles, Rx only, Mylan Pharmaceuticals Inc., Morgantown, WVU.S. FDA Class II
19 Jan 2017 · Mylan Pharmaceuticals Inc. · TerminatedPresence of Foreign Tablets/Capsules; possibility of Glipizide 10 mg tablet in bottle

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Mirtazapine

Type the registration number on the pack, or scan it with your camera.

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Mirtazapine

What is in Mirtazapine?

Mirtazapine contains Mirtazapine. Other brands with the same active ingredient work the same way; the dose and strength on your pack are what matter.

What is Mirtazapine used for?

Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults [see Clinical Studies (14) ]. Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults. ( 1 ) (From the official U.S. FDA label.)

How do I take Mirtazapine?

Follow your prescription or the leaflet in your pack. The official label says: • Starting dose: 15 mg once daily; may increase up to maximum recommended dose of 45 mg once daily. ( 2.1 ) • Administer orally once daily, preferably in the evening prior to sleep. ( 2.1 ) • Reduce dose gradually when discontinuing mirtazapine tablets. ( 2.6 , 5.13 ) 2.1 Recommended Dosage The recommended starting dose of mirtazapine tablets is 15 mg once daily, administered o…

Do I need a prescription for Mirtazapine?

Usually yes. Mirtazapine is a prescription medicine in most countries. Rules differ by country.

What brands contain Mirtazapine?

Mirtazapine is sold under names such as Remeron, Mirataz. Brand names differ between countries.

What are the side effects of Mirtazapine?

The official label lists: The following adverse reactions are described in more detail in other sections of the prescribing information: • Hypersensitivity [see Contraindications (4) ] • Suicidal Thoughts and Behaviors [see Warnings and Precautions (5.1) ] • Agranulocytosis [see Warnings and Precautions (5.2) ] • Serotonin Syndrome [see Contraindications (4) , Warnings and Precautions (5.3) , Drug Inter… Tell your doctor about any side effect that bothers you or does not go away.

Can children take Mirtazapine?

The safety and effectiveness of mirtazapine have not been established in pediatric patients with MDD. Two placebo-controlled trials in 258 pediatric patients with MDD have been conducted with mirtazapine, and the data were insufficient to establish the safety and effectiveness of mirtazapine in pediatric patients with MDD. Antidepressants increased the risk of suicidal thoughts… Always use the dose for the child's age or weight on the pack or prescription.

Can I take Mirtazapine when pregnant or breastfeeding?

8.1 Pregnancy Reproduction studies in pregnant rats and rabbits at doses up to 100 mg/kg and 40 mg/kg, respectively [20 and 17 times the maximum recommended human dose (MRHD) on an mg/m 2 basis, respectively], have revealed no evidence of teratogenic effects. However, in rats, there was an increase in post-implantation losses in dams treated with mirtazapine. … Ask your doctor or midwife first.

What medicines interact with Mirtazapine?

Table 5 includes clinically important drug interactions with mirtazapine [see Clinical Pharmacology (12.3) ]. Table 5: Clinically Important Drug Interactions with Mirtazapine Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact The concomitant use of serotonergic drugs, including mirtazapine, and MAOIs increases the risk of serotonin syndrome. Intervention Mirtazapine is contra… Use the free interaction checker before combining medicines.

What happens if I take too much Mirtazapine?

Human Experience In premarketing clinical studies, there were reports of mirtazapine overdose alone or in combination with other pharmacological agents. Signs and symptoms reported in association with overdose included disorientation, drowsiness, impaired memory, and tachycardia. Based on postmarket… Get medical help right away.

How can I check that my Mirtazapine is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.