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Prochlorperazine concentration in urine (24-hour collection)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of prochlorperazine, a medication used to treat nausea, vomiting, and certain mental health conditions, in your urine over a 24-hour period.

Quick summary

["Helps track drug levels to ensure safe and effective dosing."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
75768-2
Short code
Prochlorperazine Bld/Urn Ql Scn
Synonyms
Prochlorperazine Bld/Urn Ql Scn
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
screen
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you’re taking prochlorperazine to monitor its levels in your body. This can be important for adjusting your dose, especially if you have kidney issues or are taking other medications that interact with prochlorperazine.

What to Expect Before the Test

You’ll need to collect all urine for a full 24-hour period in a special container provided by your lab. Start and end timing at the same time each day, and keep the container clean and sealed. Bring the container and any collected urine to the lab on the next scheduled day.

How the Test Works

The collected urine sample is analyzed using a sensitive laboratory method to measure the specific amount of prochlorperazine present. This helps determine whether your medication levels are within the recommended range.

What the Results Mean

Results are typically reported as a concentration value (e.g., micrograms per liter or milligrams per liter). Your healthcare provider will interpret these results in relation to your medical history, current medications, and symptoms to guide treatment decisions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Prochlorperazine Urine (24h)

Frequently asked questions

What could cause elevated or low levels of prochlorperazine?
Elevated levels may occur if you’re taking too much medication, have poor kidney function, or are taking other drugs that slow its breakdown. Low levels might suggest insufficient dosing or rapid metabolism. Both extremes can affect how well the drug works or cause side effects.
How often should this test be done?
The frequency depends on your medical condition, medications, and healthcare provider’s instructions. Some patients need this test more often if they’re adjusting their dose, have kidney problems, or take other medications that interact with prochlorperazine.
Can I drink alcohol while taking prochlorperazine?
Yes, but alcohol can interact with prochlorperazine and may increase side effects like dizziness or drowsiness. Always follow your healthcare provider’s advice regarding alcohol consumption while on this medication.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy