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Prescription requiredSerdia Pharmaceuticals India Pvt LtdAnti-Parkinsonian

Trivastal L.A 50 Tablet

Piribedil 50 mg (prolonged/long-acting release) tablet

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Trivastal L.A 50 Tablet is used for parkinson’s disease (as monotherapy or adjunct to levodopa) to help control symptoms such as tremor, rigidity and slowness of movement; may also be used for certain circulatory/vascular disorders as per physician advice.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified order

Key details

Salt: Piribedil 50 mg (prolonged/long-acting release) tablet
Available variants: tablet 50mg 10`S
Best price: ₹301 (₹30.12 per tablet)
MRP: ₹317
Prescription: Required
Manufacturer: SERDIA PHARMACEUTICALS`

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Trivastal L.A 50 Tablet

Trivastal L.A 50 Tablet contains Piribedil 50 mg (prolonged/long-acting release) tablet. It belongs to the Dopamine agonist class of medicines.

Uses of Trivastal L.A 50 Tablet

  • Parkinson’s disease (as monotherapy or adjunct to levodopa) to help control symptoms such as tremor
  • rigidity and slowness of movement; may also be used for certain circulatory/vascular disorders as per physician advice

Key benefits

  • Improves tremor and rigidity in Parkinson’s disease
  • Helps reduce slowness of movement
  • May reduce “off” time when used with levodopa
  • Supports better daily functioning and mobility

How Trivastal L.A 50 Tablet works

Piribedil is a dopamine agonist that stimulates dopamine receptors in the brain, helping improve motor control in Parkinson’s disease. It also has alpha-2 adrenergic antagonist activity, which may contribute to improved blood flow and symptom relief in some patients.

How to take Trivastal L.A 50 Tablet

Take as prescribed by the doctor. Swallow the long-acting tablet whole with water; do not crush or chew. Usually taken with or after food to reduce nausea; take at the same time each day.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take the missed dose of Trivastal L.A as soon as you remember. If it is almost time for the next dose, skip the missed one and carry on with the usual schedule. Do not take two doses together to make up for a missed dose.

If you take too much

Taking more Trivastal L.A than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.

Side effects of Trivastal L.A 50 Tablet

Most side effects of Trivastal L.A are mild and settle as the body adjusts. Reported side effects include:

  • nausea
  • vomiting
  • abdominal discomfort
  • dizziness
  • headache
  • drowsiness
  • insomnia
  • low blood pressure (postural hypotension)
  • palpitations
  • constipation
  • hallucinations
  • confusion

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Trivastal L.A 50 Tablet

PregnancyNot recommended / Consult doctor
AlcoholUse with caution (may increase dizziness and drowsiness)
Habit formingNo

Warnings and precautions

Use with caution in elderly patients and those with heart disease, low blood pressure, psychiatric illness (hallucinations/psychosis), or history of impulse-control disorders. May cause sudden sleep episodes; avoid driving/operating machinery if drowsy. Hallucinations and confusion can occur, especially when used with levodopa. Do not stop suddenly without medical advice (risk of symptom worsening).

Interactions with other medicines

Levodopa and other dopaminergic drugs (additive effects/hallucinations), antipsychotics (may reduce effect of piribedil), antihypertensives (increased risk of low BP), sedatives/alcohol (increased drowsiness), antiemetics with dopamine antagonist action such as metoclopramide/prochlorperazine (may reduce effect)

How to store Trivastal L.A 50 Tablet

Store below 25°C in a dry place, protected from light and moisture. Keep in original blister pack and out of reach of children.

Manufacturer and class

Manufacturer:
SERDIA PHARMACEUTICALS`
Therapeutic class:
Anti-Parkinsonian
Drug class:
Dopamine agonist

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Trivastal L.A 50 Tablet FAQs

What is Trivastal L.A 50 Tablet used for?
Trivastal L.A 50 Tablet is commonly used for Parkinson’s disease (as monotherapy or adjunct to levodopa) to help control symptoms such as tremor, rigidity and slowness of movement; may also be used for certain circulatory/vascular disorders as per physician advice. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Trivastal L.A 50 Tablet?
Trivastal L.A 50 Tablet contains Piribedil 50 mg (prolonged/long-acting release) tablet. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Trivastal L.A 50 Tablet?
Take as prescribed by the doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Trivastal L.A 50 Tablet work?
Piribedil is a dopamine agonist that stimulates dopamine receptors in the brain, helping improve motor control in Parkinson’s disease.
Is Trivastal L.A 50 Tablet a prescription medicine?
Yes. Trivastal L.A 50 Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Trivastal L.A 50 Tablet?
The side effects reported most often with Trivastal L.A are nausea, vomiting, abdominal discomfort, dizziness, headache. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Trivastal L.A 50 Tablet be taken during pregnancy?
Not recommended / Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Trivastal L.A.
Can I drink alcohol while taking Trivastal L.A 50 Tablet?
Use with caution (may increase dizziness and drowsiness)
What if I miss a dose of Trivastal L.A 50 Tablet?
Take the missed dose of Trivastal L.A as soon as you remember. If it is almost time for the next dose, skip the missed one and carry on with the usual schedule. Do not take two doses together to make up for a missed dose.
Is Trivastal L.A 50 Tablet habit forming?
No. Trivastal L.A 50 Tablet is not known to be habit forming when taken as prescribed.
How much does Trivastal L.A 50 Tablet cost on PingMeDoc Pharmacy?
Trivastal L.A 50 Tablet starts at ₹301 (MRP ₹317) on PingMeDoc Pharmacy. Available in tablet 50mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Trivastal L.A 50 Tablet?
Trivastal L.A 50 Tablet is manufactured by SERDIA PHARMACEUTICALS`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Trivastal L.A 50 Tablet delivered?
Trivastal L.A 50 Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Trivastal L.A 50 Tablet, Quick facts

Salt
Piribedil 50 mg (prolonged/long-acting release) tablet
Form
tablet
Best price
₹301 (₹30.12 per tablet)
MRP
₹317
Prescription
Required (Rx)
Brand
Serdia Pharmaceuticals India Pvt Ltd
Manufacturer
SERDIA PHARMACEUTICALS`
Therapeutic class
Anti-Parkinsonian
Drug class
Dopamine agonist
Habit forming
No
Variants
tablet 50mg 10`S
Delivery
Standard across India

References

The information on Trivastal L.A 50 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling/SmPC, established medical literature on piribedil and dopamine agonists, standard pharmacology references
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Trivastal L.A 50 Tablet.
  5. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.