
Arcalion 10S
Serdia Pharmaceuticals India Pvt Ltd - 10 S
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Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026
Piribedil 50 mg (prolonged/long-acting release) 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
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.
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.
Common side effects of Trivastal L.A 50 Tab may include:

Serdia Pharmaceuticals India Pvt Ltd - 10 S
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Serdia Pharmaceuticals India Pvt Ltd - tablet - 14 Tablet
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Serdia Pharmaceuticals India Pvt Ltd - tablet - 15 S
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Serdia Pharmaceuticals India Pvt Ltd - tablet - 10 Tablet
Standard delivery
Serdia Pharmaceuticals India Pvt Ltd - tablet - 10 Tablet
Standard delivery
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).