Antiparkinson Class

Amantadine

Brand: Symmetrel (US/EU) / Amanex (IN) / Amaflex (BD)
Subclass: NMDA receptor antagonist
PK: t½ 16 hours | Clearance: renal
Max Dose: 300 day
moderate
AE: Livedo reticularis (mottled skin), ankle edema, confusion, dizziness

Carbidopa + Levodopa

Brand: Sinemet (US/EU) / Syndopa (IN) / Tidomet (BD)
Subclass: Dopamine precursor + peripheral decarboxylase inhibitor
PK: t½ 1.5 hours | Clearance: hepatic
Max Dose: 1500 day
moderate
AE: Nausea, dizziness, dyskinesias, hallucinations, orthostatic hypotension

Entacapone

Brand: Comtan (US/EU) / Entacom (IN) / Enta (BD)
Subclass: COMT inhibitor
PK: t½ 1 hours | Clearance: hepatic
Max Dose: 2000 day
moderate
AE: Diarrhea, orange discoloration of urine, dyskinesias (due to ↑ levodopa effect)

Pramipexole

Brand: Mirapex (US/EU) / Pramirol (IN) / Pexola (BD)
Subclass: Dopamine agonist (D2/D3)
PK: t½ 10 hours | Clearance: renal
Max Dose: 4.5 day
moderate
AE: Nausea, orthostatic hypotension, hallucinations, impulse control disorders (gambling, hypersexuality)

Rasagiline

Brand: Azilect (US/EU) / Rasagin (IN) / Rasact (BD)
Subclass: MAO-B inhibitor
PK: t½ 7 hours | Clearance: hepatic
Max Dose: 1 day
moderate
AE: Headache, arthralgia, depression, nausea

Ropinirole

Brand: Requip (US/EU) / Ropin (IN) / Ropinex (BD)
Subclass: Dopamine agonist (D2)
PK: t½ 6 hours | Clearance: hepatic
Max Dose: 24 day
moderate
AE: Nausea, dizziness, hypotension, impulse control disorders

Selegiline

Brand: Eldepryl (US/EU) / Selgin (IN) / Selgine (BD)
Subclass: MAO-B inhibitor
PK: t½ 10 hours | Clearance: hepatic
Max Dose: 10 day
moderate
AE: Insomnia, jitteriness, nausea, hypertension if combined with tyramine-rich foods

Tolcapone

Brand: Tasmar (US/EU) / Tolcap (IN) / Tolcom (BD)
Subclass: COMT inhibitor
PK: t½ 2 hours | Clearance: hepatic
Max Dose: 600 day
severe
AE: Severe hepatotoxicity, diarrhea, dyskinesias, nausea