Why does bradykinesia and rigidity occur in Parkinson's disease?
Bradykinesia is due to deficiency of dopamine.
Rigidity is due to uncompensated increase in acetylcholine.
Why levodopa is always given in combination with carbidopa and entacapone?
Carbidopa is given to protect levodopa against dopa decarboxylase enzyme which causes its peripheral breakdown. Peripheral conversion of dopamine is harmful.. Can cause cardiac arrhythmias and postural hypotension.
Entacapone is given to block COMT.
Difference between entcapone and talcapone?
Bradykinesia is due to deficiency of dopamine.
Rigidity is due to uncompensated increase in acetylcholine.
Why levodopa is always given in combination with carbidopa and entacapone?
Carbidopa is given to protect levodopa against dopa decarboxylase enzyme which causes its peripheral breakdown. Peripheral conversion of dopamine is harmful.. Can cause cardiac arrhythmias and postural hypotension.
Entacapone is given to block COMT.
Difference between entcapone and talcapone?