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Prescription medicine

Prilocaine Brand names: Citanest; first approved as Citanest Plain Dental

Prilocaine (Citanest) is a prescription medicine with an FDA approval on record since 1965. FDA's NDC Directory lists it from 1 generic labeler.

  • Generic listed

Check it at the source: the prilocaine FDA label on DailyMed (effective November 10, 2021, Dentsply Pharmaceutical Inc.); the NDA 21382 record on Drugs@FDA; every prilocaine label on DailyMed.

Highlights of the record

FDA label of November 10, 2021; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

4% Citanest Plain Dental Injection, Prilocaine Hydrochloride Injection, USP, 4% (72 mg/1.8 mL) (40 mg/mL), is indicated for the production of local anesthesia in dentistry by nerve block or infiltration techniques.

Forms and strengths

  • 40 mg/ml

Injection (solution).

On the market

Earliest approval on file
November 18, 1965 Citanest Plain Dental, Dentsply Pharm; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
1 first September 29, 2010; 1 with a marketed status in Drugs@FDA
Labelers listed (NDC)
1 of which 1 under generic applications, 0 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
159 through July 30, 2026

What is prilocaine used for?

From the label: indications and usage

4% Citanest Plain Dental Injection, Prilocaine Hydrochloride Injection, USP, 4% (72 mg/1.8 mL) (40 mg/mL), is indicated for the production of local anesthesia in dentistry by nerve block or infiltration techniques. Only accepted procedures for these techniques as described in standard textbooks are recommended.

FDA pharmacologic class: Amide Local Anesthetic.

Source: FDA drug label (Citanest Plain), ANDA079235 (Septodont Inc), as published by Dentsply Pharmaceutical Inc., effective November 10, 2021 (SPL set db23a56f-1e41-4843-9220-1b2e3059db41), via openFDA; the full label on DailyMed

Is there a generic for prilocaine (Citanest)?

The FDA approved the first generic prilocaine on September 29, 2010. 1 generic application is approved; 1 of it carries a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists prilocaine from 1 labeler under a generic (ANDA) application. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1965 earliest approval on file
  • 2010 first generic approved

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What does the prilocaine label say about other medicines?

The prilocaine label names 25 other medicines in its interaction, contraindication or warning sections. The labels of 10 other medicines name prilocaine. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
Acetaminophendrug interactionsClass: Other drugs; Examples: acetaminophen, metoclopramide, quinine, sulfasalazine
Benzocainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine
Bupivacainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine
Chloroquinedrug interactionsClass: Antimalarials; Examples: chloroquine, primaquine
Cyclophosphamidedrug interactionsClass: Antineoplastic Agents; Examples: cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase
Dapsonedrug interactionsClass: Antibiotics; Examples: dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides
Flutamidedrug interactionsClass: Antineoplastic Agents; Examples: cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase
Hydroxyureadrug interactionsClass: Antineoplastic Agents; Examples: cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase
Ifosfamidedrug interactionsClass: Antineoplastic Agents; Examples: cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase
Lidocainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine
Mepivacainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine
Methylene bluewarningsA more severe clinical presentation may require treatment with methylene blue exchange transfusion, or hyperbaric oxygen.
Metoclopramidedrug interactionsClass: Other drugs; Examples: acetaminophen, metoclopramide, quinine, sulfasalazine
Nitric oxidedrug interactionsClass: Nitrates/Nitrites; Examples: nitric oxide, nitroglycerin, nitroprusside, nitrous oxide

Every other medicine the prilocaine label names

Medicine namedSectionWhat the label says
Nitrofurantoindrug interactionsClass: Antibiotics; Examples: dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides
Nitroglycerindrug interactionsClass: Nitrates/Nitrites; Examples: nitric oxide, nitroglycerin, nitroprusside, nitrous oxide
Nitrous oxidedrug interactionsClass: Nitrates/Nitrites; Examples: nitric oxide, nitroglycerin, nitroprusside, nitrous oxide
Phenobarbitaldrug interactionsClass: Anticonvulsants; Examples: Phenobarbital, phenytoin, sodium valproate
Phenytoindrug interactionsClass: Anticonvulsants; Examples: Phenobarbital, phenytoin, sodium valproate
Primaquinedrug interactionsClass: Antimalarials; Examples: chloroquine, primaquine
Quininedrug interactionsClass: Other drugs; Examples: acetaminophen, metoclopramide, quinine, sulfasalazine
Rasburicasedrug interactionsClass: Antineoplastic Agents; Examples: cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase
Ropivacainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine
Sulfasalazinedrug interactionsClass: Other drugs; Examples: acetaminophen, metoclopramide, quinine, sulfasalazine
Tetracainedrug interactionsClass: Local anesthetics; Examples: articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine

Check prilocaine against other medicines

Source: FDA drug label (Citanest Plain), ANDA079235 (Septodont Inc), as published by Dentsply Pharmaceutical Inc., effective November 10, 2021 (SPL set db23a56f-1e41-4843-9220-1b2e3059db41), via openFDA; the full label on DailyMed

What do FAERS reports show for prilocaine?

The FDA Adverse Event Reporting System holds 159 reports that list prilocaine among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 8 are coded as a death and 51 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

The most reported reactions

  • Drug Ineffective (a use or a product term, not a reaction)23
  • Necrotising Fasciitis18
  • Dyspnoea8
  • No Adverse Event (a use or a product term, not a reaction)8
  • Pain7
  • Swelling Face6
  • Syncope6
  • Fatigue5

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other amide local anesthetics
the pharmacologic class, with prices and generics
Prilocaine side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other