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AMPHETAMINE SULFATE vs RITALIN LA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. AMPHETAMINE SULFATE and RITALIN LA 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

70/100
68/100

Pharmacy pays

~$478.55 /30
~$18.94 /30

Type

RX
RX

Active ingredient

AMPHETAMINE SULFATE
METHYLPHENIDATE HYDROCHLORIDE

Dosage forms

Tablet
Capsule, extended release

Drug class

Central Nervous System Stimulant
Central Nervous System Stimulant

Half-life

about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults
about 2.7 hours

Treats

Attention Deficit Disorder with Hyperactivity, Narcolepsy
Attention Deficit Disorder with Hyperactivity, Depressive Disorder, Narcolepsy

Frequently asked questions

Which is better-rated, Amphetamine Sulfate or Ritalin La?

By our independent rating, Amphetamine Sulfate scores higher — 3.5 vs 3.4 out of 5 for Ritalin La. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Amphetamine Sulfate or Ritalin La?

Ritalin La costs pharmacies less to acquire — about $18.94 vs $478.55 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Amphetamine Sulfate and Ritalin La?

Amphetamine Sulfate contains Amphetamine Sulfate, while Ritalin La contains Methylphenidate 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.