Omniscan Dosage

Generic name: GADODIAMIDE 287mg in 1mL
Dosage form: injection
Drug class: Magnetic resonance imaging contrast media

Medically reviewed by Drugs.com. Last updated on Apr 18, 2025.

CNS (Central Nervous System)

Adults: The recommended dose of OMNISCAN is 0.2 mL/kg (0.1 mmol/kg) administered as a bolus intravenous injection.

Pediatric Patients (2 to 16 years of age): The recommended dose of OMNISCAN is 0.2 mL/kg (0.1 mmol/kg) administered as a bolus intravenous injection.

Body (Intrathoracic [noncardiac], Intra-abdominal, Pelvic and Retroperitoneal Regions)

Adult and Pediatric Patients (2 to 16 years of age): For imaging the kidney, the recommended dose of OMNISCAN is 0.1 mL/kg (0.05 mmol/kg). For imaging the intrathoracic (noncardiac), intra-abdominal, and pelvic cavities, the recommended dose of OMNISCAN is 0.2 mL/kg (0.1 mmol/kg).

Dosage Chart

BODY WEIGHT		PEDIATRIC		ADULTS
		0.05	0.1	0.05	0.1
kg	lb	(mmol/kg)		(mmol/kg)
		VOLUME (mL)		VOLUME (mL)
* The heaviest patient in clinical studies weighed 136 kg.
12	26	1.2	2.4	-	-
14	31	1.4	2.8	-	-
16	35	1.6	3.2	-	-
18	40	1.8	3.6	-	-
20	44	2	4	-	-
22	48	2.2	4.4	-	-
24	53	2.4	4.8	-	-
26	57	2.6	5.2	-	-
28	62	2.8	5.6	-	-
30	66	3	6	-	-
40	88	4	8	4	8
50	110	5	10	5	10
60	132	6	12	6	12
70	154	7	14	7	14
80	176	8	16	8	16
90	198	-	-	9	18
100	220	-	-	10	20
110	242	-	-	11	22
120	264	-	-	12	24
130*	286	-	-	13	26

Dosing Guidelines

Inspect OMNISCAN visually for particulate matter and discoloration before administration, whenever solution and container permit. Do not use the solution if it is discolored or particulate matter is present.

Draw OMNISCAN into the syringe and use immediately. Discard any unused portion of OMNISCAN Injection.

To ensure complete delivery of the desired volume of contrast medium, follow the injection of OMNISCAN with a 5 mL flush of 0.9% sodium chloride. Complete the imaging procedure within 1 hour of administration of OMNISCAN.

More about Omniscan (gadodiamide)

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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Drug Status

Availability Prescription only Rx

Pregnancy & Lactation Risk data available

CSA Schedule* Not a controlled drug N/A

Approval History Drug history at FDA

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Omniscan Dosage

CNS (Central Nervous System)

Body (Intrathoracic [noncardiac], Intra-abdominal, Pelvic and Retroperitoneal Regions)

Dosage Chart

Dosing Guidelines

More about Omniscan (gadodiamide)

Patient resources

Professional resources

Related treatment guides

See also:

Magnevist

Gadavist

Ozempic

Dotarem

Clariscan

Multihance

Prohance

Gadopentetate dimeglumine

Gadobenate dimeglumine

Gadoteridol

Further information