AFRINOL vs SUDAFED 24 HOUR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. AFRINOL and SUDAFED 24 HOUR 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	AFRINOL	SUDAFED 24 HOUR
Rating	New	70/100
Pharmacy pays	~$8.29 /30	~$8.29 /30
Type	RX	RX
Active ingredient	PSEUDOEPHEDRINE SULFATE	PSEUDOEPHEDRINE HYDROCHLORIDE
Manufacturer	Schering Plough	Kenvue Brands
Dosage forms	Tablet, extended release	Tablet, extended release
Drug class	Alpha-Adrenergic Agonist	Alpha-Adrenergic Agonist
Boxed warning	None	None
Half-life	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)
Treats	Asthma, Common Cold, Perennial Allergic Rhinitis	Asthma, Common Cold, Perennial Allergic Rhinitis

afrinol sudafed 24 hour

Rating

New

70/100

Pharmacy pays

~$8.29 /30

Type

Active ingredient

PSEUDOEPHEDRINE SULFATE

PSEUDOEPHEDRINE HYDROCHLORIDE

Manufacturer

Schering Plough

Kenvue Brands

Dosage forms

Tablet, extended release

Drug class

Alpha-Adrenergic Agonist

Boxed warning

None

Half-life

roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

Treats

Asthma, Common Cold, Perennial Allergic Rhinitis

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Frequently asked questions

Which is cheaper, Afrinol or Sudafed 24 Hour?

Pharmacies pay about the same to acquire either one — roughly $8.29 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Afrinol and Sudafed 24 Hour?

Afrinol contains Pseudoephedrine Sulfate, while Sudafed 24 Hour contains Pseudoephedrine 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.