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MACROBID vs RETIN-A

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 9, 2026·How we rate

Possible drug interaction. MACROBID and RETIN-A 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

New
74/100

Pharmacy pays

$2.14 /mL
$1.05 /g

Type

RX
RX

Active ingredient

NITROFURANTOIN AND NITROFURANTOIN, MACROCRYSTALLINE
TRETINOIN

Dosage forms

Capsule
Topical

Drug class

—
Retinoid

Boxed warning

None
None

Half-life

about 20 minutes (roughly 0.3 hours) for the parent drug in adults with normal kidney function
—

Treats

—
Acne Vulgaris, Facial Dermatoses, Acute Promyelocytic Leukemia

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Frequently asked questions

What is the difference between Macrobid and Retin-A?

Macrobid contains Nitrofurantoin and Nitrofurantoin, Macrocrystalline, while Retin-A contains Tretinoin — 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.