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CUPRIMINE vs HISTAFED

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. CUPRIMINE and HISTAFED 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.

Rating

74/100
New

Pharmacy pays

—
~$8.29 /30

Type

RX
RX

Active ingredient

PENICILLAMINE
PSEUDOEPHEDRINE HYDROCHLORIDE AND TRIPROLIDINE HYDROCHLORIDE

Dosage forms

Capsule
Syrup

Drug class

Antirheumatic Agent
—

Boxed warning

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

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration
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Frequently asked questions

What is the difference between Cuprimine and Histafed?

Cuprimine contains Penicillamine, while Histafed contains Pseudoephedrine Hydrochloride and Triprolidine 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.