What does apomorphine do in the body?
Apomorphine is a dopamine agonist, meaning it directly stimulates dopamine receptors in the brain and other parts of the nervous system [1]. By mimicking dopamine’s action, it helps reduce symptoms related to low dopamine signaling, especially in Parkinson’s disease [1].
How does apomorphine help people with Parkinson’s disease?
In Parkinson’s disease, dopamine-producing cells become less active over time. Apomorphine’s dopamine-receptor stimulation can improve movement and “off” periods—times when a person’s Parkinson’s symptoms return as medication levels drop [1].
What does apomorphine do clinically (rapid symptom relief vs longer control)?
Apomorphine is used to produce relatively fast symptom improvement when needed for Parkinson’s “off” episodes, rather than to provide continuous day-long control in the same way some long-acting Parkinson’s medicines do [1]. (Exact schedules and goals depend on the specific apomorphine product and the prescriber’s plan.)
What kinds of effects should patients expect?
Because apomorphine acts like dopamine, it can cause both the intended movement benefits and dopamine-related side effects. The typical discussion with a clinician focuses on monitoring for nausea and other possible adverse effects, along with blood pressure changes, since dopamine agonists can affect these body systems [1].
Sources
[1] https://www.drugs.com/apomorphine.html