Drugs for Parkinson's disease include which of the following?

Drugs for Parkinson's disease include which of the following?

• A. Dopamine replacements such as carbidopa/levodopa (Sinemet)
• B. Antipsychotics
• C. Antibiotics
• D. Antidepressants

Answer: (A)

Parkinson’s disease treatment centers on restoring dopamine activity in the brain to improve motor symptoms like tremor, stiffness, and slowness. The best answer is dopamine replacement therapy, specifically the combination of carbidopa with levodopa. Levodopa provides a supply of dopamine that the brain can convert, addressing the core deficiency. Carbidopa is added to prevent excessive conversion of levodopa outside the brain, which helps more levodopa reach the brain and reduces side effects such as nausea. Other drug types listed don’t treat the motor aspects of Parkinson’s. Antipsychotics can block dopamine receptors and may worsen Parkinsonian symptoms, so they’re not used as a primary treatment for the movement problems. Antibiotics treat infections, not the movement disorder. Antidepressants may help mood issues in PD but don’t directly address the motor symptoms.

Parkinson’s disease treatment centers on restoring dopamine activity in the brain to improve motor symptoms like tremor, stiffness, and slowness. The best answer is dopamine replacement therapy, specifically the combination of carbidopa with levodopa. Levodopa provides a supply of dopamine that the brain can convert, addressing the core deficiency. Carbidopa is added to prevent excessive conversion of levodopa outside the brain, which helps more levodopa reach the brain and reduces side effects such as nausea.

Other drug types listed don’t treat the motor aspects of Parkinson’s. Antipsychotics can block dopamine receptors and may worsen Parkinsonian symptoms, so they’re not used as a primary treatment for the movement problems. Antibiotics treat infections, not the movement disorder. Antidepressants may help mood issues in PD but don’t directly address the motor symptoms.