AMINOPHYLLINE vs THEOBID

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. AMINOPHYLLINE and THEOBID are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	AMINOPHYLLINE	THEOBID
Rating	New	New
Pharmacy pays	—	$0.86 /mL
Type	RX	RX
Active ingredient	AMINOPHYLLINE	THEOPHYLLINE
Manufacturer	Purepac Pharm	Whitby
Dosage forms	Injectable	Capsule, extended release
Drug class	Methylxanthine	Methylxanthine
Boxed warning	None	None
Half-life	—	about 8.7 hours on average (range roughly 6 to 13 hours) in otherwise healthy non-smoking adults 16-60 years
Treats	Apnea, Asthma, Bradycardia	Apnea, Asthma, Bradycardia

aminophylline theobid

Rating

New

Pharmacy pays

—

$0.86 /mL

Type

Active ingredient

AMINOPHYLLINE

THEOPHYLLINE

Manufacturer

Purepac Pharm

Whitby

Dosage forms

Injectable

Capsule, extended release

Drug class

Methylxanthine

Boxed warning

None

Half-life

—

about 8.7 hours on average (range roughly 6 to 13 hours) in otherwise healthy non-smoking adults 16-60 years

Treats

Apnea, Asthma, Bradycardia

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Frequently asked questions

What is the difference between Aminophylline and Theobid?

Aminophylline contains Aminophylline, while Theobid contains Theophylline — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.