Sinemet Extra Tablet 100mg / 25mg

About Sinemet Extra Tablet 100mg / 25mg

Sinemet Extra Tablet Uses

• Management of the movement symptoms of Parkinson's disease, including tremor and stiffness.
• Improving slowness of movement and difficulty with balance in Parkinson's disease.
• Used for Parkinsonism symptoms that occur after certain infections or injuries.
• Sometimes prescribed for restless legs syndrome under specialist supervision.

Sinemet Extra Tablet Benefits

• Levodopa restores dopamine levels in the brain that are low in Parkinson's disease.
• Carbidopa allows more levodopa to reach the brain, so a lower total dose is needed.
• Adding carbidopa also reduces the nausea that levodopa alone commonly causes.
• Remains one of the most effective treatments available for daily Parkinson's symptom control.

What Experts Say

Levodopa is converted into dopamine in the brain, replacing the dopamine that Parkinson's disease gradually destroys. On its own, most levodopa is broken down before it reaches the brain, which is why it is combined with carbidopa.

Carbidopa blocks the breakdown of levodopa outside the brain without crossing into the brain itself, so more levodopa becomes available where it is needed. This combination approach remains the backbone of Parkinson's disease treatment worldwide, decades after it was first introduced.

Neurologists usually start at a lower dose and adjust gradually, since response and side effects vary between patients. Long term use requires regular follow up, since the dose often needs adjusting as the disease progresses over the years. Family members are often taught to recognize early warning signs, since prompt dose adjustment can reduce the impact of these effects on daily life.

Drug Class

• Antiparkinsonian Agent (Dopamine Precursor with Decarboxylase Inhibitor)

Sinemet Extra Tablet 100mg / 25mg formula

• Levodopa + Carbidopa

Available forms

• Tablet

How to use Sinemet Extra Tablet 100mg / 25mg?

• Exact adherence to the prescribed schedule, usually multiple times a day at evenly spaced intervals, matters for this medicine.
• The tablet is swallowed whole with water, on an empty stomach if the doctor advises.
• Sudden stopping without medical guidance is not advised.
• A consistent daily schedule helps maintain steady symptom control.

Drug Interactions

• MAO Inhibitors: Combined use can cause a dangerous rise in blood pressure.
• Antipsychotic Medicines: Many antipsychotics block dopamine and can worsen Parkinson's symptoms while reducing this medicine's effect.
• Iron Supplements: Can reduce the absorption of levodopa when taken at the same time.
• High Protein Meals: Large amounts of dietary protein can reduce how well levodopa is absorbed.

Risks and warnings

• Sudden Sleep Episodes: Some patients can fall asleep suddenly during daily activities, including driving.
• Low Blood Pressure on Standing: Dizziness or fainting can occur, especially when starting treatment.
• Mental and Mood Changes: Hallucinations, confusion, or unusual behavior have been reported, more often in older patients.
• Impulse Control Issues: Rare reports include unusual urges around gambling, eating, or spending.
• MAO Inhibitor Use: Should not be combined with certain older antidepressants due to the risk of dangerously high blood pressure.

Sinemet Extra Tablet Side Effects

• Nausea or loss of appetite, especially when starting treatment.
• Dizziness or lightheadedness on standing.
• Involuntary movements (dyskinesia) with long term use.
• Vivid dreams, confusion, or hallucinations.
• Dry mouth or a change in urine color.
• Sudden drowsiness or falling asleep without warning, which needs urgent medical review.

Storage Conditions

• Store below 25°C, away from moisture and direct light.
• Keep the tablets in their original container with the lid tightly closed.
• Keep out of reach of children.