Buy Mellaril
Mellaril

$0.47
Active Ingredient
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Prescription
Issued on site / Included
Availability
In Stock
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Mellaril Properties

Active Ingredients
Primary Category
Pharmacological Class
First-Generation Antipsychotic, Phenothiazine
Minor Side Effects
Moderate Side Effects
Dosage Forms
Tablets, Oral Solution
Administration Route
Oral
Mechanism of Action
Affects dopamine and other chemical messengers in the brain. It was used to help manage symptoms of psychotic disorders, but its use is now very limited due to significant risks to the heart.
Prescription Status
Rx
Patient Summary
An older type of antipsychotic medication, now rarely used due to potential for serious heart side effects.
Onset Time
Hours
Duration
About 24 hours
Storage Instructions
Store at room temperature, protected from light
Age Restrictions
Use is typically for adults, with very limited indications
Pregnancy Use
Consult doctor before use during pregnancy or breastfeeding

About Mellaril

Mellaril is a prescription-only antipsychotic that belongs to the phenothiazine class of typical antipsychotics. It contains the active ingredient thioridazine and is supplied as oral tablets in strengths of 10 mg, 25 mg, 50 mg and 100 mg. In Singapore, Mellaril is approved for the treatment of schizophrenia and other psychotic disorders, although its use is limited because of the risk of cardiac side effects, particularly QT-interval prolongation. This article explains how Mellaril works, when it is prescribed, practical tips for taking the medication safely, and what to consider before deciding if it is right for you.

What is Mellaril?

Mellaril is the brand name for thioridazine, a phenothiazine-derived antipsychotic that has been marketed worldwide for several decades. It received regulatory approval in the -s and was originally manufactured by Johnson & Johnson. In Singapore, Mellaril is classified as a prescription-only medicine (POM) and is listed under the Health Sciences Authority’s schedule for antipsychotic agents. The drug is administered orally as a tablet, with the common dosage options of 10 mg, 25 mg, 50 mg and 100 mg. Because thioridazine can cause serious cardiac arrhythmias, clinicians in Singapore and many other countries reserve it for patients who have not responded adequately to newer atypical antipsychotics.

How Mellaril Works

Thioridazine exerts its therapeutic effect primarily by antagonising dopamine D₂ receptors in the mesolimbic pathway. By blocking dopamine signalling, it reduces the positive symptoms of schizophrenia such as hallucinations and delusions. In addition to dopamine blockade, thioridazine has significant affinity for several other neurotransmitter receptors:

  • Histamine H₁ receptors - contributes to sedation and weight gain.
  • Muscarinic M₁ receptors - produces anticholinergic effects such as dry mouth and constipation.
  • α₁-adrenergic receptors - can lead to orthostatic hypotension.

These off-target actions explain both some of the therapeutic benefits (e.g., calming agitation through antihistamine effects) and the side-effect profile. Pharmacokinetically, thioridazine is well absorbed after oral ingestion, reaches peak plasma concentrations within 2-4 hours, and is extensively metabolised in the liver by cytochrome P450 enzymes (mainly CYP2D6). The metabolite, 3-hydroxy-thioridazine, retains antipsychotic activity and contributes to the drug’s long elimination half-life of roughly 24 hours, permitting once-daily dosing in many patients.

Why Mellaril is Used for Mental Health Conditions

  • Schizophrenia - The dopaminergic blockade directly tackles positive psychotic symptoms, making Mellaril an option when patients do not achieve remission with atypical agents.
  • Severe agitation - The combined dopamine and histamine antagonism can quickly calm an acutely agitated patient, useful in emergency psychiatric settings.
  • Treatment-resistant psychosis - For individuals who have failed trials of newer antipsychotics, clinicians may revert to a typical agent like thioridazine to explore a different receptor profile.

In Singapore’s clinical guidelines, thioridazine is listed as a second-line option after atypical agents such as risperidone, olanzapine or aripiprazole. Its position reflects a risk-benefit assessment: while effective in controlling psychosis, the potential for QT-prolongation and severe cardiac events demands careful ECG monitoring and avoidance in patients with known cardiac disease.

Off-Label and Investigational Uses of Mellaril

Robust peer-reviewed evidence for off-label indications of thioridazine is scarce. Small case series have explored its use in severe anxiety disorders and as a sedative adjunct in intensive care, but these reports lack randomised controlled data and are not endorsed by Singapore’s Health Sciences Authority. Consequently, off-label use should only be considered under the supervision of a qualified healthcare provider.

Is Mellaril Right for You?

Mellaril may be appropriate for adults who:

  • Have a confirmed diagnosis of schizophrenia or another psychotic disorder.
  • Have not responded adequately to at least two atypical antipsychotics.
  • Possess normal cardiac function, as demonstrated by a baseline ECG.

Special populations require extra caution. Elderly patients are more sensitive to anticholinergic and orthostatic effects, while individuals with hepatic impairment may need dose adjustments because thioridazine is metabolised by the liver. Pregnant or breastfeeding women should avoid Mellaril unless the benefits clearly outweigh the risks, as animal studies suggest potential fetal toxicity. As always, a qualified psychiatrist should evaluate the full clinical picture before initiating therapy.

Taking Mellaril Effectively

  • Timing: Take the tablet with or without food at the same time each day to maintain steady plasma levels.
  • Food interactions: High-fat meals can modestly increase thioridazine absorption; however, this effect is not clinically significant and does not require dose changes.
  • Alcohol: Avoid excessive alcohol, which can enhance sedation and increase the risk of orthostatic hypotension.
  • Missed dose: If a dose is missed for less than 12 hours, take it as soon as you remember; if more time has passed, skip the missed dose and resume your regular schedule-do not double-dose.
  • Travel: Carry a copy of your prescription and a brief medication summary when travelling abroad; Singapore’s HSA permits personal import of up to three months’ supply for personal use.

Understanding Side Effects and How to Manage Them

Common side effect Why it occurs Practical management
Sedation / Drowsiness Histamine H₁ antagonism Take the dose in the evening; avoid operating heavy machinery until you know how you react.
Dry mouth Muscarinic blockade Sip water regularly, use sugar-free lozenges, or consider a saliva-stimulating gum.
Orthostatic hypotension α₁-adrenergic antagonism Rise slowly from sitting or lying positions; stay hydrated.
Weight gain Combined H₁ and M₁ effects Monitor diet, incorporate regular exercise, and discuss metabolic screening with your clinician.
QT prolongation Direct cardiac ion-channel effect Baseline ECG before starting, repeat ECG after dose escalation, avoid concomitant QT-prolonging drugs (e.g., macrolide antibiotics).
Extrapyramidal symptoms (EPS) Dopamine blockade in nigrostriatal pathway Report early signs such as tremor or stiffness; anticholinergic agents or dose reduction may be needed.

Serious side effects-such as arrhythmia, severe hypotension, or neuroleptic malignant syndrome-require immediate medical attention. If you experience palpitations, fainting, high fever, or uncontrolled muscle rigidity, seek emergency care promptly.

Buying Mellaril from Our Online Pharmacy

Why Choose Our Service?

Our online pharmacy streamlines access to prescription medicines that may be hard to locate in local pharmacies, especially for patients with limited insurance coverage or those living in remote areas of Singapore. By ordering through our platform, you benefit from a discreet, pharmacist-verified supply chain that adheres to Singapore’s regulatory standards.

Quality & Safety

We partner with licensed international pharmacies that operate under the oversight of health authorities such as the Health Sciences Authority and the US FDA. All medications, including Mellaril, are sourced from reputable manufacturers, stored in temperature-controlled facilities, and undergo rigorous quality checks before dispatch.

Pricing & Access

Mellaril’s brand formulation can be expensive, but our service leverages bulk purchasing agreements to offer competitive pricing. In many cases, patients can obtain a 30-day supply for less than half the retail price found in brick-and-mortem outlets. Additionally, we provide a lifetime 10 % discount on all re-orders, helping you maintain long-term adherence without financial strain.

Discreet Delivery

Orders are packed in neutral, tamper-evident envelopes and shipped via a reliable courier network. Standard delivery arrives within 3 weeks, while express shipping can be completed in 7 days. All packages are labelled only with your name and order number to protect your privacy.

Frequently Asked Questions

  • Is Mellaril safe to use with other psychiatric medicines? Combining thioridazine with other dopamine-blocking agents can increase the risk of EPS and cardiac effects. Your psychiatrist should review all concurrent medications before adding Mellaril to your regimen.

  • Can I take Mellaril if I have a history of heart disease? Patients with known prolongation of the QT interval, arrhythmias, or significant cardiac disease are generally advised against thioridazine. A thorough cardiac assessment, including ECG, is mandatory before initiating therapy.

  • How long does it take to see improvement in psychotic symptoms? Clinical response often begins within 1-2 weeks of consistent dosing, with maximal benefit typically observed after 4-6 weeks. Patience and adherence are crucial, as abrupt discontinuation can worsen symptoms.

  • What should I do if I miss a dose while traveling abroad? Take the missed tablet as soon as you remember if it is still within 12 hours of the scheduled time; otherwise, skip it and resume your normal schedule. Keep a printed copy of your prescription and a brief medication record in your carry-on luggage.

  • Are there generic versions of Mellaril available in Singapore? Yes, thioridazine is marketed by several generic manufacturers worldwide, though availability in Singapore is limited due to safety concerns. Generic tablets contain the same active ingredient and are bioequivalent, offering a cost-effective alternative when approved.

  • What lifestyle changes can help reduce side effects? Maintaining a balanced diet, staying hydrated, limiting caffeine and alcohol, and engaging in regular physical activity can mitigate weight gain, orthostatic drops, and sedation. Routine blood work and ECG monitoring also help catch early adverse trends.

  • Can Mellaril be used in children or adolescents? Thioridazine is not FDA-approved for paediatric use, and Singapore’s guidelines advise against prescribing it to individuals under 18 years of age except in rare, specialist-supervised circumstances.

  • How does Mellaril compare with newer atypical antipsychotics? While atypicals such as risperidone or olanzapine have a lower propensity for EPS and cardiac toxicity, they may be less effective in certain patients with severe positive symptoms. Mellaril’s broader receptor profile can provide additional sedation, but this comes at the cost of higher anticholinergic burden and arrhythmia risk.

  • Is there a need for regular blood tests while on Mellaril? Baseline liver function tests are advisable, as thioridazine is hepatically metabolised. Periodic ECGs are essential to monitor QT interval, especially after dose adjustments or when adding other QT-prolonging drugs.

Glossary

Phenothiazine
A class of antipsychotic compounds characterised by a three-ring structure; they primarily block dopamine D₂ receptors.
QT interval
A measurement on an electrocardiogram that reflects the time for ventricular depolarisation and repolarisation; prolongation can predispose to life-threatening arrhythmias.
Extrapyramidal symptoms (EPS)
Movement disorders such as tremor, rigidity, and akathisia that result from dopamine blockade in the basal ganglia.
Cytochrome P450 2D6 (CYP2D6)
An enzyme in the liver responsible for metabolising many psychiatric drugs, including thioridazine; genetic variations can affect drug levels.
Orthostatic hypotension
A drop in blood pressure upon standing, often causing dizziness or faintness, commonly triggered by α₁-adrenergic antagonism.

Disclaimer

The information provided about Mellaril is for general knowledge only. It does not replace professional medical consultation. All treatment decisions, including those regarding off-label use, should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Mellaril for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

External Resources about Mellaril


Information Prepared By

Nawin Kittisak
Vikneswaran V Paranjothy