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Nicardipine

Published: July 26, 2026Updated: July 26, 2026

Nicardipine is a calcium channel blocker used to treat hypertension and angina. It works by relaxing blood vessels and reducing the heart's workload through blocking calcium influx into smooth and cardiac muscle. This medication is typically prescribed when first-line treatments are insufficient.

Quick summary

Nicardipine is a calcium channel blocker that treats high blood pressure and angina by relaxing blood vessels.

Medically reviewed by WellAlly Editorial TeamLast reviewed July 26, 2026Editorial policy

Key facts at a glance

ATC
C08CA04
RxNorm
7396
Generic
Nicardipine
Class
atc-c08
Brands
Cardene
Availability
rx
Pregnancy
C
Lactation
caution
Routes
oral
Forms
injection, capsule
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Dosage and administration

adult (standard)extended-release tablet
Usual dose
30mg twice daily
Maximum
consult physician
Frequency
every 12 hours
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
pediatric (standard)capsule
Usual dose
0.5-1 mg/kg/day divided TID
Maximum
consult physician
Frequency
every 8 hours
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard
geriatric (standard)extended-release tablet
Usual dose
30mg once daily or twice daily
Maximum
consult physician
Frequency
every 12 hours
Instructions
Follow physician instructions
Duration limits
as prescribed
Monitoring
standard

Overdose information

Important overdose information
Toxic dose: Single dose that may cause serious toxicity - doses exceeding 100mg of immediate-release formulation may lead to severe poisoning
Chronic overdose: Chronic toxicity not typically a concern for calcium channel blockers; acute overdose is the primary risk
Immediate actions
Gastric lavage within 1-2 hours if large dose ingested, activated charcoal administration, establish IV access, cardiac monitoring, continuous blood pressure monitoring
Antidote
Calcium gluconate or calcium chloride(Effective in reversing cardiovascular depression by counteracting calcium channel blocker effects)
Poison Control: 1-800-222-1222

Special Populations

11 groups
✗

pregnancy

first trimester
unsafe
FDA Category
C
Dose Adjustment

avoid if possible

Key Recommendations

avoid use during pregnancy unless benefits outweigh risks

Monitor

regular fetal monitoring

Use of this medication in this population requires careful consideration of risks and benefits.

⚠

pregnancy

second trimester
caution
FDA Category
C
Dose Adjustment

use lowest effective dose

Key Recommendations

use only if clearly needed and benefits outweigh risks

Monitor

regular fetal monitoring and maternal blood pressure

Use with caution and monitor for adverse effects.

⚠

pregnancy

third trimester
caution
FDA Category
C
Dose Adjustment

use lowest effective dose

Key Recommendations

avoid abrupt discontinuation; monitor for hypotension

Monitor

close maternal and fetal monitoring

Use with caution and monitor for adverse effects.

✗

lactation

breastfeeding
unsafe
FDA Category
C
Dose Adjustment

discontinue breastfeeding or avoid drug

Key Recommendations

nicardipine is excreted in breast milk; avoid breastfeeding during treatment

Monitor

monitor infant for adverse effects

Use of this medication in this population requires careful consideration of risks and benefits.

⚠

geriatric

elderly
caution
FDA Category
C
Dose Adjustment

start at lower dose and titrate slowly

Key Recommendations

initiate therapy at low end of dosing range; monitor for orthostatic hypotension

Monitor

regular blood pressure and heart rate monitoring

Use with caution and monitor for adverse effects.

?

pediatric_age

neonates
unknown
FDA Category
C
Dose Adjustment

not recommended

Key Recommendations

safety and efficacy not established in neonates

Monitor

close cardiovascular monitoring if used

⚠

pediatric_age

children adolescents
caution
FDA Category
C
Dose Adjustment

use with caution; limited data available

Key Recommendations

safety and efficacy not established; use only in specialized settings

Monitor

careful hemodynamic monitoring

Use with caution and monitor for adverse effects.

✓

renal_impairment

mild to moderate
safe
FDA Category
C
Dose Adjustment

no major dose adjustment required

Key Recommendations

monitor blood pressure response; no initial dose adjustment needed

Monitor

regular renal function and blood pressure monitoring

⚠

renal_impairment

severe
caution
FDA Category
C
Dose Adjustment

use with caution

Key Recommendations

monitor closely for hypotension; start at lower doses

Monitor

close monitoring of blood pressure and renal function

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

mild
caution
FDA Category
C
Dose Adjustment

may require lower dose

Key Recommendations

monitor blood pressure response

Monitor

monitor blood pressure and liver function

Use with caution and monitor for adverse effects.

⚠

hepatic_impairment

moderate to severe
caution
FDA Category
C
Dose Adjustment

reduce initial dose and titrate carefully

Key Recommendations

use with caution; significant hepatic impairment may affect metabolism

Monitor

frequent blood pressure and liver function monitoring

Use with caution and monitor for adverse effects.

Statistics and clinical data

prescribingFDA
2023

FDA approval year

Value:1988

FDA approval year for Nicardipine

drug_classWHO
2023

Drug class

Value:Calcium channel blocker (dihydropyridine)

Drug class classification

usageMedical guidelines
2023

Primary indications

Value:Hypertension, angina pectoris

Primary therapeutic uses

Treatment of hypertension and management of stable angina (chest pain). Often used when other blood pressure medications are not effective enough.

As a calcium channel blocker, nicardipine inhibits calcium ion influx into cardiac and vascular smooth muscle cells, causing relaxation of blood vessel walls, vasodilation, and reduced peripheral vascular resistance, which lowers blood pressure.

May cause headache, flushing, or peripheral edema. Should not be stopped abruptly as this may worsen angina. Contraindicated in severe aortic stenosis. Blood pressure should be monitored regularly during treatment. May interact with other blood pressure medications and certain heart drugs.

Contraindications

Conditions and patient states where this medication should be avoided or used with caution.

Do not use (1)

ABSOLUTEhypersensitivity

Known allergy to this medication or its components

Use caution (1)

RELATIVEpregnancy

Consult healthcare provider for benefits vs risks assessment

Official drug label

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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 July 26, 2026. · Read our editorial policy