Drug interactions
Levodopa inhaled + Procarbazine
Severity: Major
Levodopa inhaled and Procarbazine: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Levodopa can cause hypertensive reactions in patients taking nonselective MAO inhibitors, and procarbazine has MAO inhibiting properties. Orthostatic hypotension and blood pressure instability may also occur. The risk with inhaled levodopa is expected to be similar to that of oral levodopa.
What this interaction means in plain words
Levodopa inhaled and Procarbazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
MAO inhibition prevents breakdown of dopamine and catecholamines formed from levodopa, leading to excessive adrenergic stimulation.
What to do
Avoid the combination where possible, as nonselective MAO inhibitors are contraindicated with levodopa products. If unavoidable, monitor blood pressure closely, including orthostatic readings.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Procarbazine
- Adenovirus types 4 and 7 live + Procarbazine Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amoxapine + Procarbazine Contraindicated
- Atomoxetine + Procarbazine Contraindicated
- Bcg vaccine live + Procarbazine Contraindicated
- Brimonidine + Procarbazine Contraindicated
Frequently asked questions
Can I take Levodopa inhaled with Procarbazine?
MediHelp rates the interaction as major. Levodopa inhaled and Procarbazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Levodopa can cause hypertensive reactions in patients taking nonselective MAO inhibitors, and procarbazine has MAO inhibiting properties. Orthostatic hypotension and blood pressure instability may also occur. The risk with inhaled levodopa is expected to be similar to that of oral levodopa.
How serious is the interaction between Levodopa inhaled and Procarbazine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, as nonselective MAO inhibitors are contraindicated with levodopa products. If unavoidable, monitor blood pressure closely, including orthostatic readings.
What other medicines interact with Procarbazine?
MediHelp also lists interactions of Procarbazine with, for example, Adenovirus types 4 and 7 live, Amitriptyline, Amoxapine. The full list is on the Procarbazine page.
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