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carbaglu

Carbaglu (Carglumic Acid) is a carbamoyl phosphate synthetase 1 activator used to treat Hyperammonemia.

Carglumic Acid · by Recordati Rare

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Carglumic Acid
Form
Tablet
Strength
Carglumic Acid 200MG
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Recordati Rare
FDA application
NDA022562

What is Carbaglu?

From the FDA label:11. DESCRIPTION CARBAGLU tablets for oral suspension contain 200 mg of carglumic acid. Carglumic acid, the active substance, is a carbamoyl phosphate synthetase 1 (CPS 1) activator and is soluble in boiling water, slightly soluble in cold water, and practically insoluble in organic solvents. The chemical name of carglumic acid is N-carbamoyl-L-glutamic acid or (2S)-2-(carbamoylamino) pentanedioic acid. The empirical formula is C 6 H 10 N 2 O 5 and the molecular weight is 190.16. The structural formula is: The inactive ingredients of CARBAGLU are croscarmellose sodium, hypromellose, microcrystalline cellulose, silica colloidal anhydrous, sodium lauryl sulfate, and sodium stearyl fumarate. Carbaglu structure

How to use

Acute Hyperammonemia due to NAGS deficiency ( 2.2 ) The recommended dosage in adult and pediatric patients is 100 mg/kg to 250 mg/kg orally daily. Divide the daily dosage into 2 to 4 doses. Chronic Hyperammonemia due to NAGS deficiency ( 2.2 ) The recommended dosage in adult and pediatric patients is 10 mg/kg to 100 mg/kg orally daily. Divide the daily dosage into 2 to 4 doses. Therapeutic Monitoring for NAGS Deficiency ( 2.2 ) Closely monitor plasma ammonia and titrate dosage to maintain the ammonia level within normal range for the patient's age, taking into consideration their clinical condition. Acute Hyperammonemia due to PA or MMA ( 2.3 ) The recommended dosage in adult and pediatric patients is: 150 mg/kg orally daily for patients less than or equal to 15 kg 3.3 g/m 2 orally daily for patients greater than 15 kg Divide the daily dosage into 2 doses. Continue treatment until ammonia level is less than 50 micromol/L and for a maximum duration of 7 days. Patients with Renal Impairment ( 2.4 ) See Full Prescribing Information for Instructions on Dosage Adjustment. Preparation and Administration ( 2.5 ) Disperse CARBAGLU tablets in water. Do not swallow whole or crushed. Take immediately before meals or feedings. For additional instructions on preparation and administration orally or through a nasogastric tube or gastrostomy tube, see Full Prescribing Information. 2.1…

Side effects

NAGS deficiency : Most common adverse reactions (≥13%) are vomiting, abdominal pain, pyrexia, tonsillitis, anemia, diarrhea, ear infection, infections, nasopharyngitis, hemoglobin decreased, and headache. ( 6.1 ) PA and MMA : Most common adverse reactions (≥5%) are neutropenia, anemia, vomiting, electrolyte imbalance, decreased appetite, hypoglycemia, lethargy/stupor, encephalopathy and pancreatitis/lipase increased. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Recordati Rare Diseases Inc. at 1-888-575-8344, or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Acute and Chronic Hyperammonemia due to NAGS Deficiency In a retrospective case series of 23 NAGS deficiency patients treated with CARBAGLU, 17 of the 23 patients reported an adverse reaction. The most common adverse reactions (occurring in ≥ 13% of patients) were vomiting, abdominal pain, pyrexia, tonsillitis, anemia, diarrhea, ear infection, infections, nasopharyngitis, hemoglobin decreased, and headache. Table 1 summarizes adverse reactions occurring in 2 or more patients treated with CARBAGLU. Table…

Who should not take Carbaglu

None None. ( 4 )

Overdose — what happens if you take too much

One patient treated with 650 mg/kg/day of CARBAGLU developed symptoms resembling monosodium glutamate intoxication-like syndrome and characterized by tachycardia, profuse sweating, increased bronchial secretions, increased body temperature, and restlessness. These symptoms resolved upon reduction of the dose.

U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.

Drug class

May treat (source: NIH RxClass)

Dosage forms

Tablet

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

Ask for the generic

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Request a 90-day supply

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Use copay cards

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Frequently asked questions

What does Carbaglu treat?
Carbaglu (Carglumic Acid) may be used to treat hyperammonemia, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
Is there a coupon or discount for Carbaglu?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Carbaglu. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Carbaglu?
Carbaglu is marketed by Recordati Rare. You can see Recordati Rare's full profile, rating, and other products on pharmaranks.
Is Carbaglu a brand-name or generic drug?
Carbaglu is a brand-name product with the active ingredient Carglumic Acid.
Is Carbaglu available over the counter?
No. Carbaglu is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Carbaglu come in?
Carbaglu is currently marketed as tablet, per the FDA's National Drug Code Directory.
What class of drug is Carbaglu?
Carbaglu is classified as carbamoyl phosphate synthetase 1 activator, per the FDA's Established Pharmacologic Class.
Is Carbaglu FDA-registered?
Carbaglu is on record with the U.S. FDA under application number NDA022562. You can verify this on its official FDA label.
Is Carbaglu safe?
There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Carbaglu. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
What are the side effects of Carbaglu?
Carbaglu's side effects are taken directly from its FDA label. From the label: NAGS deficiency : Most common adverse reactions (≥13%) are vomiting, abdominal pain, pyrexia, tonsillitis, anemia, diarrhea, ear infection, infections, nasopharyngitis, hemoglobin decreased, and headache. ( 6.1 ) PA and MMA : Most common adverse reactions (≥5%) are neutropenia, anemia, vomiting,… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.

Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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