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Medication Comparison

Compare any two to four medications side by side — what is actually in them, how strong they are, how they are taken and who makes them. Built on the 112,035 products in the US FDA National Drug Code directory.

  • 56,435Prescription
  • 55,600Over the counter
  • 3,850Active ingredients
  • 36,475We stock the ingredient

876 medications

Tick up to 4 to compare.

Diphenhydramine Hydrochloride

Strength
12.5 mg/5mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

Oncor Pharmaceuticals

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Diphenhydramine Hydrochloride

Strength
50 mg/mL
Form
Injection, Solution
Class
Histamine-1 Receptor Antagonist
Rx only Generic

ProPharma Distribution

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Diphenhydramine Hydrochloride

Strength
50 mg/mL
Form
Injection
Class
Histamine-1 Receptor Antagonist
Rx only Generic

Sportpharm LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Diphenhydramine Oral Liquid

Diphenhydramine Hydrochloride

Strength
12.5 mg/5mL
Form
Liquid
Class
Histamine-1 Receptor Antagonist
OTC

Rising Pharma Holdings, Inc.

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Discount Drugmart Allergy Relief

diphenhydramine hydrochloride

Strength
25 mg/1
Form
Capsule, Liquid Filled
Class
Histamine-1 Receptor Antagonist
OTC

Discount Drug Mart, Inc

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Discount Drugmart Nighttime Sleep-Aid

Diphenhydramine HCl

Strength
50 mg/1
Form
Capsule, Liquid Filled
Class
Histamine-1 Receptor Antagonist
OTC

Discount Drug Mart, Inc

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

DORMMY-LON

DIPHENHYDRAMINE HYDROCHLORIDE

Strength
25 mg/1
Form
Tablet
Class
Histamine-1 Receptor Antagonist
OTC

Haendel Farma, S.A. de C.V.

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dr Kids Allergy Relief

Diphenhydramine HCl

Strength
12.5 mg/5mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

CalmCo LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dr Kids Allergy Relief

Diphenhydramine HCl

Strength
12.5 mg/1
Form
Chewable Gel
Class
Histamine-1 Receptor Antagonist
OTC

CalmCo LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dr Kids Allergy Relief

Diphenhydramine HCl

Strength
12.5 mg/1
Form
Chewable Gel
Class
Histamine-1 Receptor Antagonist
OTC

CalmCo LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dr. Simi Allergy Relief

Diphenhydramine HCl

Strength
25 mg/1
Form
Tablet
Class
Histamine-1 Receptor Antagonist
OTC

Farmacias De Similares TX LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Drx Choice childrens allergy chews

Diphenhydramine HCl

Strength
12.5 mg/1
Form
Tablet, Chewable
Class
Histamine-1 Receptor Antagonist
OTC

RARITAN PHARMACEUTICALS INC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dye Free Allergy childrens

Diphenhydramine Hydrochloride

Strength
12.5 mg/5mL
Form
Liquid
Class
Histamine-1 Receptor Antagonist
OTC

QUALITY CHOICE (Chain Drug Marketing Associatio…

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dye Free Allergy Relief

Diphenhydramine HCl

Strength
25 mg/1
Form
Capsule, Liquid Filled
Class
Histamine-1 Receptor Antagonist
OTC

Topco Associates, LLC

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dye Free Childrens Allergy Relief

Diphenhydramine hydrochloride

Strength
12.5 mg/5mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

WAL-MART STORES INC.

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Dye Free Wal Sleep Z

DIPHENHYDRAMINE HYDROCHLORIDE

Strength
50 mg/30mL
Form
Liquid
Class
Histamine-1 Receptor Antagonist
OTC

WALGREEN CO.

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

equaline allergy

Diphenhydramine HCl

Strength
12.5 mg/5mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

United Natural Foods, Inc. dba UNFI

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

Equaline Night Time Sleep Aid

Diphenhydramine HCl

Strength
50 mg/30mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

United Natural Foods, Inc. dba UNFI

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

equate allergy relief

Diphenhydramine Hydrochloride

Strength
12.5 mg/5mL
Form
Solution
Class
Histamine-1 Receptor Antagonist
OTC

Wal-Mart Stores Inc

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

equate allergy relief

Diphenhydramine Hydrochloride

Strength
25 mg/1
Form
Tablet
Class
Histamine-1 Receptor Antagonist
OTC

WALMART INC.

$4.20 We supply Generic Motrin 400 mg (different strength or form) View product

How to read a comparison

Same ingredient, different name

Most medications exist under several names: one brand name, one generic name, and a different brand again in another country. What matters is the active ingredient and its strength — two products with the same ingredient at the same strength are, for most purposes, the same medicine.

Strength is not a measure of quality

A 10 mg tablet is not "better" than a 5 mg one. Strength is matched to the person and the condition, and a higher one is not an upgrade. Only your prescriber can say which is right for you.

Dosage form changes more than convenience

The same ingredient as a tablet, a capsule or a liquid can be absorbed at different speeds. Modified-release forms in particular are not interchangeable with ordinary ones, even at an identical stated strength.

Approval route

NDA is an original brand-name approval. ANDA is a generic, which had to prove it delivers the ingredient to the bloodstream at a rate and extent statistically equivalent to the original. OTC monograph covers products sold without a prescription under standing FDA rules.

Controlled substances

A DEA schedule badge means the medication is federally controlled because of its potential for dependence or misuse. Schedule II is the most tightly restricted of those available by prescription. These carry extra rules on prescribing, refills and supply.

What "we supply this ingredient" means

Where we stock a product containing the same active ingredient, the card says so and links to it. That is an ingredient match — the strength, form or manufacturer of what we sell may differ from the FDA record shown, so check the product page before ordering.

This tool is for information only and is not medical advice. It cannot tell you whether a medication is safe or suitable for you, and nothing here replaces a conversation with a prescriber or pharmacist. Source data is published by the U.S. Food & Drug Administration via openFDA and is reproduced without their endorsement; the FDA states it should not be relied upon for decisions about medical care.