Nozinan (Methotrimeprazine)

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Methotrimeprazine (Generic alternate to Nozinan) Generic
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Nozinan (generically known as Methotrimeprazine) is a neuroleptic medication used in psychiatry and general medicine, especially for the treatment of schizophrenia and other mental and mood disorders, as well as for pain relief and distress associated with a terminal illness.

Nozinan works by blocking a variety of receptors in the brain, particularly dopamine receptors. Dopamine is a natural compound found in the brain that is involved in the regulation of mood, motivation, and movement, among other things. By blocking dopamine receptors, Nozinan can help to reduce symptoms of certain mental health conditions, such as schizophrenia and severe anxiety.

Use and Dosage

To use Methotrimeprazine tablet, follow the instructions provided by your healthcare provider or as stated in the medication guide. The dosage and frequency of administration may vary depending on the patient's condition, age, weight, and other factors.

Methotrimeprazine tablets are usually taken orally with or without food. The tablet should be swallowed whole and not crushed or chewed. Inform your healthcare provider if you are taking any other medications, have a history of liver dysfunction or cardiac disease, or have any other medical conditions.

The recommended dosage of Methotrimeprazine may vary depending on the patient's condition and individual response. For adult patients, the starting dose is usually 25 mg to 50 mg taken orally two to three times per day. The dosage may be adjusted depending on the patient's response. Elderly patients or those with liver dysfunction may require a lower dose. However, follow the specific instructions provided by your healthcare provider or as stated in the medication guide.

You should not stop or change the dosage of Methotrimeprazine tablets without consulting your healthcare provider. If you have any questions or concerns about using Methotrimeprazine tablets, you should discuss them with your healthcare provider.

Side Effects

Common Side Effects of Nozinan (Methotrimeprazine):

  • Sleepiness
  • Weakness
  • Dry mouth
  • Constipation (can become serious)
  • Skin rashes
  • Photosensitivity
  • Difficulty urinating
  • Weight gain

Serious Side Effects of Nozinan (Methotrimeprazine):

  • Abdominal pain
  • Abnormal movements of the extremities
  • Allergic reaction (such as a rash, itching, swelling of the face, tongue, and throat)
  • Arrhythmias
  • Decreased number of blood cells
  • Disturbances in the body’s ability to regulate temperature (more common in older adults)
  • Drooling
  • Easy bleeding and bruising
  • Fever
  • Mask-like facial expression
  • Muscle spasms or stiffness
  • Persistent nausea, vomiting, and loss of appetite
  • Persistent sore throat
  • Restlessness
  • Seizures
  • Severe dizziness
  • Severe dizziness accompanied by fainting spells
  • Sudden pain, swelling, or redness
  • Tremors
  • Trouble breathing
  • Yellowing of the eyes or skin (Jaundice)

Forms and Strength

Nozinan (Methotrimeprazine) is available in the following forms and strength:

Methotrimeprazine: Tablet

  • 2 mg
  • 5 mg
  • 25 mg
  • 50 mg


  • Methotrimeprazine should be used with caution in patients with liver dysfunction or cardiac disease. In children younger than 1 year, due to a possible risk of respiratory depression or sudden death.
  • Methotrimeprazine may cause drowsiness or dizziness, and caution should be exercised when driving or performing other tasks that require alertness.
  • Nozinan should be used with caution in elderly patients, who may be more prone to side effects.
  • Methotrimeprazine may interact with other medications, such as benzodiazepines, opioids, or anticholinergics, and caution should be used when combining these drugs.
  • Nozinan may cause extrapyramidal symptoms, such as tremors, rigidity, or tardive dyskinesia, especially with long-term use.
  • Methotrimeprazine may lower the seizure threshold in some patients and should be used with caution in patients with a history of seizures.
  • Nozinan may cause hypotension or other cardiovascular effects, especially during the first few days of treatment.
  • Nozinan can cause QT prolongation, which can lead to life-threatening arrhythmias, and caution should be used in patients with a history of arrhythmias or other conditions that can prolong the QT interval.
  • Nozinan can cause agranulocytosis, a serious blood disorder that can lead to infections and sepsis, and patients should be monitored for signs of infection and have their blood counts regularly checked during treatment.
  • Nozinan can interfere with temperature regulation and lead to hypothermia, especially in elderly patients.
  • Nozinan can cause photosensitivity and increase the risk of sunburn and skin reactions, and patients should use sunscreen and avoid prolonged exposure to sunlight or UV rays.

Frequently Asked Questions (FAQ)

Can Nozinan be used during pregnancy or while breastfeeding?

Nozinan should be avoided during pregnancy unless the potential benefits outweigh the risks. It can also pass into breast milk, so it is not recommended while breastfeeding.

What should I do if I miss a dose of Nozinan?

If you miss a dose of Nozinan, take it as soon as possible. If it is close to the time for the next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

Can Nozinan be addictive or cause withdrawal symptoms?

Nozinan does not have significant addictive potential, but sudden discontinuation after long-term use may cause withdrawal symptoms such as nausea, vomiting, insomnia, and anxiety.

How long does Nozinan take to work?

The onset of action of Nozinan varies depending on the patient's condition and response to treatment. In general, it may take several days to weeks to see the full therapeutic effects of the medication.


It's important to purchase Nozinan from verified Canadian pharmacy.

Additional information

Generic name:





2mg, 5mg, 25mg, 50mg

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