CODEINE SULFATE vs WESTADONE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 15, 2026·How we rate

Possible drug interaction. CODEINE SULFATE and WESTADONE 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	CODEINE SULFATE	WESTADONE
Rating	72/100	68/100
Pharmacy pays	~$20.44 /30	$0.18 /mL
Type	RX	RX
Active ingredient	CODEINE SULFATE	METHADONE HYDROCHLORIDE
Manufacturer	Hikma	Sandoz
Dosage forms	Tablet	Tablet, effervescent
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	None	None
Half-life	—	about 8 to 59 hours (terminal/elimination half-life; a very wide range)
Treats	Cough, Pain	Opioid-Related Disorders, Intractable Pain

codeine sulfate westadone

Rating

72/100

68/100

Pharmacy pays

~$20.44 /30

$0.18 /mL

Type

Active ingredient

CODEINE SULFATE

METHADONE HYDROCHLORIDE

Manufacturer

Hikma

Sandoz

Dosage forms

Tablet

Tablet, effervescent

Drug class

Opioid Agonist

Boxed warning

None

Half-life

—

about 8 to 59 hours (terminal/elimination half-life; a very wide range)

Treats

Cough, Pain

Opioid-Related Disorders, Intractable Pain

Frequently asked questions

Which is better-rated, Codeine Sulfate or Westadone?

By our independent rating, Codeine Sulfate scores higher — 3.6 vs 3.4 out of 5 for Westadone. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Codeine Sulfate and Westadone?

Codeine Sulfate contains Codeine Sulfate, while Westadone contains Methadone Hydrochloride — 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.