Generic name: aminophylline dihydrate
Dosage form: tablet
Drug class:Methylxanthines
Medically reviewed by Drugs.com. Last updated on Feb 21, 2022.
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Aminophylline Tablets Description
Aminophylline is a 2:1 complex of theophylline and ethylenediamine. Theophylline is structurally classified as a methyxanthine. Aminophylline occurs as a white or slightly yellowish granule or powder, with a slight ammoniacal odor. Aminophylline has the chemical name 1H-Purine-2,6-dione,3,7- dihydro-1,3-dimethyl-,compound with 1,2 ethanedamine (2:1) and is represented by the following structural formula:

The molecular formula of aminophylline dihydrate is C16H24N10O4•(H2O)2 with a molecular weight of 456.46.
Aminophylline is available as tablets intended for oral administration, containing 100 mg or 200 mg of Aminophylline, USP (calculated as the dihydrate) per tablet (equivalent to 79 mg or 158 mg of theophylline anhydr...