Methyldopa injection description: Difference between revisions

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==DESCRIPTION==


Methyldopate HCl Injection, USP, is an antihypertensive agent for intravenous use. Sterile, nonpyrogenic.


Methyldopate hydrochloride [levo-3-(3,4-dihydroxyphenyl)-2-methylalanine, ethyl ester hydrochloride] is the ethyl ester of methyldopa, supplied as the hydrochloride salt with a molecular weight of 275.73. Methyldopate hydrochloride is more soluble and stable in solution than methyldopa and is the preferred form for intravenous use.


The molecular formula for Methyldopate hydrochloride is C12H17NO4·HCl and the structural formula is:


[[image:Methyldopa1.png]]


<ref name="dailymed.nlm.nih.gov">{{Cite web  | last =  | first =  | title = METHYLDOPATE HYDROCHLORIDE INJECTION, SOLUTION [AMERICAN REGENT, INC.] | url = http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=f5f25053-a9f3-48b9-a412-078f5ee942fd | publisher =  | date =  | accessdate = 10 March 2014 }}</ref>
Each mL contains:
 
Methyldopate Hydrochloride ......... 50 mg
Citric Acid (Anhydrous) ................. 5 mg
Edetate Disodium ......................... 0.5 mg
Monothioglycerol ...........................  2 mg
Water for Injection ................q.s. to 1 mL
 
Methylparaben 1.5 mg and Propylparaben 0.2 mg added as preservatives, Sodium Bisulfite 3.2 mg added as an antioxidant. pH adjusted with Sodium Hydroxide and/or Hydrochloric Acid.<ref name="dailymed.nlm.nih.gov">{{Cite web  | last =  | first =  | title = METHYLDOPATE HYDROCHLORIDE INJECTION, SOLUTION [AMERICAN REGENT, INC.] | url = http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=f5f25053-a9f3-48b9-a412-078f5ee942fd | publisher =  | date =  | accessdate = 10 March 2014 }}</ref>





Revision as of 16:29, 10 March 2014

Methyldopa
Methyldopa tablet® FDA Package Insert
Indications and Usage
Dosage and Administration
Contraindications
Warnings
Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Overdosage
Description
Clinical Pharmacology
Nonclinical Toxicology
How Supplied/Storage and Handling
Labels and Packages
Methyldopa injection® FDA Package Insert
Indications and Usage
Dosage and Administration
Contraindications
Warnings
Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Overdosage
Description
Clinical Pharmacology
Nonclinical Toxicology
How Supplied/Storage and Handling
Labels and Packages
Clinical Trials on Methyldopa
ClinicalTrials.gov

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Abdurahman Khalil, M.D. [2]

DESCRIPTION

Methyldopate HCl Injection, USP, is an antihypertensive agent for intravenous use. Sterile, nonpyrogenic.

Methyldopate hydrochloride [levo-3-(3,4-dihydroxyphenyl)-2-methylalanine, ethyl ester hydrochloride] is the ethyl ester of methyldopa, supplied as the hydrochloride salt with a molecular weight of 275.73. Methyldopate hydrochloride is more soluble and stable in solution than methyldopa and is the preferred form for intravenous use.

The molecular formula for Methyldopate hydrochloride is C12H17NO4·HCl and the structural formula is:

Each mL contains:

Methyldopate Hydrochloride ......... 50 mg Citric Acid (Anhydrous) ................. 5 mg Edetate Disodium ......................... 0.5 mg Monothioglycerol ........................... 2 mg Water for Injection ................q.s. to 1 mL

Methylparaben 1.5 mg and Propylparaben 0.2 mg added as preservatives, Sodium Bisulfite 3.2 mg added as an antioxidant. pH adjusted with Sodium Hydroxide and/or Hydrochloric Acid.[1]



References

  1. "METHYLDOPATE HYDROCHLORIDE INJECTION, SOLUTION [AMERICAN REGENT, INC.]". Retrieved 10 March 2014.