Manotrel 100mg Tablet

atom-spiralsSalt Composition:Amantadine 100mg

Manotrel 100mg Tablet is a prescription medicine used to improve movement control in Parkinson’s disease and certain medication-related movement disorders. It works by boosting dopamine in the brain and reducing overactive glutamate signals, helping to decrease stiffness, tremors, slowed movement, and involuntary jerky motions. While it was originally developed as an antiviral, it is now mainly used to manage neurological symptoms and improve daily functioning.

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Written by: Shubham Kumar Singh, B pharmacy

Reviewed by: Dr. Jay Faldu, MBBS

Last updated on: 19-05-2026

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Manotrel 100mg Tablet
Manotrel 100mg Tablet

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Detailed Description

Long Description of Manotrel 100mg Tablet

Manotrel 100mg Tablet is a prescription medicine used to help manage movement issues in Parkinson’s disease and certain medication-induced movement disorders. Parkinson’s disease occurs when the brain produces less dopamine, a chemical that controls smooth, coordinated muscle movement. Low dopamine levels can cause stiffness, tremors (shaking), slowed movement, and balance difficulties.

Manotrel 100mg Tablet works in two ways to improve these symptoms. First, it increases dopamine in the brain and slows its breakdown, helping the brain maintain better control over muscle movements. Second, it reduces overactive glutamate signals by blocking NMDA receptors, which can contribute to involuntary, jerky movements known as dyskinesia, often seen with long-term Parkinson’s treatment. By acting on both dopamine and glutamate systems, Manotrel 100mg Tablet provides broader symptom control than medicines that target only dopamine.

It can be prescribed alone in early Parkinson’s disease or alongside other medications like levodopa in later stages. It is also effective in treating movement side effects caused by antipsychotic drugs. The medicine is taken by mouth, absorbed into the bloodstream, and eliminated mainly through the kidneys, so patients with kidney problems may require adjusted doses.

While Manotrel 100mg Tablet was originally developed as an antiviral for Influenza A, it is now primarily used for its neurological benefits. It is important to understand that Manotrel 100mg Tablet does not cure Parkinson’s disease or stop its progression. However, when taken as prescribed and monitored by a healthcare professional, it can significantly reduce symptoms, improve mobility, and enhance overall quality of life.

Uses of Manotrel 100mg Tablet

Parkinson’s disease

Treatment of idiopathic Parkinson’s symptoms such as tremors, rigidity, and slow movement.

Levodopa-Induced Dyskinesia

Management of involuntary movements in patients undergoing long-term Parkinson's therapy.

Extrapyramidal Reactions

Control of movement disorders caused by antipsychotic medications or other dopamine-blocking agents.

Influenza A Prophylaxis and Treatment

Prevention or symptomatic relief of respiratory infections caused by Influenza A strains.

Benefits of Manotrel 100mg Tablet

Improved Motor Control

Helps reduce tremors, stiffness, and slowness of movement, allowing smoother and more coordinated muscle activity.

Dyskinesia Relief

One of the few medications shown to reduce levodopa-induced dyskinesia (involuntary, jerky movements) in Parkinson’s disease.

Adjunct Therapy Support

Enhances the effectiveness of levodopa and other Parkinson’s medications, helping reduce “off” periods when symptoms return between doses.

Early-Stage Symptom Management

Can be used alone in early Parkinson’s disease to provide mild to moderate symptom improvement.

Relief of Drug-Induced Movement Disorders

Effectively reduces extrapyramidal symptoms such as rigidity, tremor, and restlessness caused by antipsychotic medications.

Dual Mechanism Advantage

Works by increasing dopamine availability and blocking NMDA receptors, offering broader symptom control compared to dopamine-only therapies.

Functional Improvement

Supports better mobility, daily functioning, and overall quality of life when used as prescribed.

Side Effects of Manotrel 100mg Tablet

Like all medicines, Manotrel 100mg Tablet may cause side effects. The risk may be higher in older adults and in people with kidney problems, as the medicine is removed from the body through the kidneys.

Common Side Effects

These are usually mild and may improve as the body adjusts to the medicine:

  • Nausea or upset stomach
  • Dizziness or lightheadedness
  • Dry mouth
  • Constipation
  • Trouble sleeping (insomnia)
  • Mild swelling of the legs or ankles (peripheral edema)
  • Livedo reticularis (a mottled, purplish skin discoloration, usually on the legs; typically harmless and reversible)
Uncommon Side Effects
  • Confusion, especially in elderly patients
  • Hallucinations (seeing or hearing things that are not there)
  • Agitation or nervousness
  • Blurred vision
  • Difficulty urinating
  • Low blood pressure when standing (orthostatic hypotension)
  • Headache
  • Loss of appetite
Serious Side Effects

Seek urgent medical care if any of the following occur:

  • Severe confusion, disorientation, or sudden changes in behavior
  • Psychosis (paranoia, severe hallucinations)
  • Seizures
  • Fainting or severe dizziness
  • Irregular heartbeat
  • Severe allergic reaction (rash, itching, swelling of face/tongue/throat, difficulty breathing)
  • Suicidal thoughts or unusual mood changes
  • Sudden worsening of Parkinson’s symptoms after abrupt discontinuation

Directions for Use

Manotrel 100mg Tablet should be taken exactly as prescribed by your physician. For the management of Parkinson's disease, it is typically administered once or twice daily. To minimize the risk of insomnia, it is highly recommended to take the second dose in the early afternoon (before 4:00 PM) rather than at bedtime. The medication can be taken with or without food; however, taking it with a meal can help mitigate nausea. Swallow the tablet or capsule whole with a full glass of water. It is critical not to discontinue this medication abruptly without medical supervision.

How it works

Manotrel 100mg Tablet works in the brain to improve movement by acting in two main ways:

  • Boosting Dopamine: It increases the release of dopamine, a chemical messenger that controls muscle movement, and slows its reabsorption (reuptake) in the brain. This helps reduce stiffness, tremors, and slow movements, making daily activities easier.
  • Reducing Overactive Glutamate Signals: It blocks N-Methyl-D-Aspartate (NMDA) receptors, which are involved in glutamate signaling. Too much glutamate activity can lead to involuntary, jerky movements (called dyskinesia), especially in people taking long-term Parkinson’s medicines like levodopa.
  • By acting on both dopamine and glutamate pathways, Manotrel 100mg Tablet provides broader symptom control than medications that target only dopamine, helping patients move more smoothly and reducing side effects from other Parkinson’s treatments.

Safety Advice for Manotrel 100mg Tablet

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Alcohol
Caution

AVOID. Alcohol can severely increase central nervous system side effects such as confusion, dizziness, and fainting.

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Pregnancy
Caution

CONSULT YOUR DOCTOR. This medication may cause fetal harm and is generally not recommended during pregnancy.

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Breastfeeding
Limited information

AVOID. Amantadine passes into breast milk and may reduce milk supply or cause unwanted effects in the nursing infant.

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Driving
Caution

This medicine may cause blurred vision and dizziness; avoid driving until you are sure of your reaction to the drug.

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Liver
Caution

CONSULT YOUR DOCTOR. Use with caution in patients with pre-existing hepatic impairment.

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Kidney
Limited information

MODERATE. Amantadine is cleared by the kidneys; dose adjustments are essential for those with renal disease to avoid toxicity.

Quick Tips for Manotrel 100mg Tablet

  • Timing is Key: Ensure your final dose of the day is taken several hours before bedtime to avoid sleep disturbances.
  • Monitor Mental Health: Family members should watch for signs of confusion or hallucinations, particularly in elderly patients.
  • Skin Discoloration: If you notice a "net-like" purplish pattern on your skin (livedo reticularis), do not worry; this is a common side effect that usually reverses after stopping the drug.
  • Gradual Tapering: If the medication needs to be discontinued, your doctor will provide a schedule to slowly reduce the dose.

Drug-Food Interaction

  • Alcohol (Severe): Increases the risk of lightheadedness, confusion, and loss of consciousness.
  • Caffeine (Moderate): May increase the stimulating effects of the drug, potentially worsening insomnia or anxiety.

Interactions with Other Drugs

  • Anticholinergics (Moderate): Drugs like benztropine may worsen side effects like dry mouth, blurred vision, and confusion.
  • Live Flu Vaccine (High): Amantadine may reduce the effectiveness of the live nasal flu vaccine.
  • Thiazide Diuretics (Moderate): Medicines like hydrochlorothiazide can decrease the clearance of amantadine, increasing the risk of side effects.

Drug-Disease Interactions

  • Renal Disease (Severe): The medication can accumulate to toxic levels if kidney function is impaired.
  • Seizure Disorders (Moderate): May lower the seizure threshold in patients with epilepsy.
  • Congestive Heart Failure (Moderate): May increase the risk of fluid retention and swelling (edema).
  • Glaucoma (Moderate): May slightly increase pressure within the eyes.

What If You Forget to take Manotrel 100mg Tablet?

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and resume your regular schedule. Do not take two doses at once to compensate for a missed one. If you miss several doses, contact your doctor immediately, as your symptoms may worsen rapidly.

FAQ

Fact Box

Therapeutic Class

Antiparkinsonian / Antiviral

Action Class

Dopamine Agonist / NMDA Receptor Antagonist

Chemical Class

Adamantane Derivative

Habit Forming

No

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