IL 3581 (Theophylline Extended Release 300 mg)
Pill with imprint IL 3581 is White, Capsule-shape and has been identified as Theophylline Extended Release 300 mg. It is supplied by Inwood Laboratories Inc.
Theophylline is used in the treatment of apnea of prematurity; asthma, maintenance; asthma, acute and belongs to the drug class methylxanthines. Risk cannot be ruled out during pregnancy. Theophylline 300 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for IL 3581


Theophylline Extended Release
- Imprint
- IL 3581
- Strength
- 300 mg
- Color
- White
- Shape
- Capsule-shape
- Availability
- Prescription only
- Drug Class
- Methylxanthines
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Inwood Laboratories Inc.
- National Drug Code (NDC)
- 00258-3581 (Discontinued)
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.