Why is carbidopa combined with levodopa?

Carbidopa stops levodopa being broken down before it reaches the brain, which allows a far lower dose and much less nausea.

Do dementia molecules reverse the condition?

No. They are used to support function and slow progression of symptoms. Expectations are set by the treating neurologist.

Can these molecules be stopped if they seem not to work?

Not without review. Several cause problems if stopped abruptly, and the benefit is often clearest when a dose is missed.

Neurology & Cognition - Molecules, Uses & Brands

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Trihexyphenidyl

Parkinson's molecule Tablet

Commonly used for

Drug-induced parkinsonism
Tremor
Stiffness

98 brands on PharmEasy

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Donepezil

Dementia molecule Tablet

Commonly used for

Alzheimer's disease
Dementia
Memory

92 brands on PharmEasy

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Memantine

Dementia molecule Tablet

Commonly used for

Alzheimer's disease
Dementia
Memory

40 brands on PharmEasy

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Pramipexole

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

95 brands on PharmEasy

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Amantadine

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

24 brands on PharmEasy

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Tetrabenazine

Movement disorder molecule Tablet, Ophthalmic

Commonly used for

Involuntary movements
Huntington's disease

6 brands on PharmEasy

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Citicoline

Neuro-supportive molecule Tablet, Syrup, Injection

Commonly used for

Stroke recovery
Memory
Cognitive support

294 brands on PharmEasy

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Piracetam

Neuro-supportive molecule Syrup, Injection, Capsule

Commonly used for

Stroke recovery
Memory
Cognitive support

327 brands on PharmEasy

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Ropinirole

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

40 brands on PharmEasy

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Edaravone

Motor neurone molecule Injection, Tablet

Commonly used for

Motor neurone disease
ALS

18 brands on PharmEasy

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Pyridostigmine

Myasthenia molecule Tablet

Commonly used for

Myasthenia gravis
Muscle weakness

16 brands on PharmEasy

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Rasagiline

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

11 brands on PharmEasy

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Galantamine

Dementia molecule Tablet

Commonly used for

Alzheimer's disease
Dementia
Memory

4 brands on PharmEasy

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Rivastigmine

Dementia molecule Capsule, Patch

Commonly used for

Alzheimer's disease
Dementia
Memory

56 brands on PharmEasy

View 56 medicines

Safinamide

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

8 brands on PharmEasy

View 8 medicines

Entacapone

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

2 brands on PharmEasy

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Vinpocetine

Neuro-supportive molecule Tablet, Capsule

Commonly used for

Stroke recovery
Memory
Cognitive support

9 brands on PharmEasy

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Cerebrolysin

Neuro-supportive molecule Injection

Commonly used for

Stroke recovery
Memory
Cognitive support

1 brand on PharmEasy

View 1 medicine

Levodopa

Parkinson's molecule Tablet

Commonly used for

Parkinson's disease
Tremor
Stiffness

1 brand on PharmEasy

View 1 medicine

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Neurology & Cognition

Trihexyphenidyl

Donepezil

Memantine

Pramipexole

Amantadine

Tetrabenazine

Citicoline

Piracetam

Ropinirole

Edaravone

Pyridostigmine

Rasagiline

Galantamine

Rivastigmine

Safinamide

Entacapone

Vinpocetine

Cerebrolysin

Levodopa

Lab tests at PharmEasy

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Neurology & Cognition Some molecules in this class are prescription-only. Each card says which, and the Prescription filter narrows the list to one or the other.

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Neurology & Cognition