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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

79 medications

Tick up to 4 to compare.

Calcarea carbonica

OYSTER SHELL CALCIUM CARBONATE, CRUDE

Strength
12 [hp_C]/12[hp_C]
Form
Pellet
OTC

Boiron

Not stocked by us — reference only

Calcarea carbonica

OYSTER SHELL CALCIUM CARBONATE, CRUDE

Strength
15 [hp_C]/15[hp_C]
Form
Pellet
OTC

Boiron

Not stocked by us — reference only

CALCAREA CARBONICA

Strength
1 [hp_X]/1
Form
Pellet
OTC

Rxhomeo Private Limited d.b.a. Rxhomeo, Inc

Not stocked by us — reference only

Calcarea Carbonica

Strength
6 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
12 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
30 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
100 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
200 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
500 [hp_C]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
1 [hp_M]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
10 [hp_M]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
1 [hp_Q]/1
Form
Pellet
OTC

Hahnemann Laboratories, INC,

Not stocked by us — reference only

Calcarea Carbonica

Strength
6 [hp_C]/6[hp_C]
Form
Pellet
OTC

OHM PHARMA INC.

Not stocked by us — reference only

Calcarea Carbonica 200C

Calcarea Carbonica

Strength
200 [hp_C]/mL
Form
Liquid
OTC

Natural Creations, Inc

Not stocked by us — reference only

Calcarea Carbonica 30C

Calcarea Carbonica

Strength
30 [hp_C]/mL
Form
Liquid
OTC

Natural Creations, Inc

Not stocked by us — reference only

CALCAREA CARBONICA 6X

Impure calcium carbonate

Strength
6 [hp_X]/1
Form
Tablet
OTC

Seroyal USA

Not stocked by us — reference only

Calcarea carbonica 7109

Calcarea carbonica

Strength
6 [hp_X]/29.5mL
Form
Liquid
OTC

Professional Complementary Health Formulas

Not stocked by us — reference only

Candidate S.O.S

Calc carb, Carbo veg, Ferrum met, Lycopodium, Sulphur

Strength
30 [hp_C]/1801, 30 [hp_C]/1801, 30 [hp_…
Form
Tablet
OTC

Silver Star Brands

Not stocked by us — reference only

Cell Well

Calcium Carbonica,Calcium Fluoratum,Calcium Phosphoricum,Calcium Sulp…

Strength
6 [hp_X]/60mL, 6 [hp_X]/60mL, 6 [hp_X]/…
Form
Liquid
Class
Blood Coagulation Factor; Blood Coagula…
OTC

JoyWell Co LLC

Not stocked by us — reference only

Childhood Immunization Detox 6032

Childhood Immunization Detox

Strength
6 [hp_X]/59mL, 60 [hp_X]/59mL, 3 [hp_X]…
Form
Liquid
Class
Inactivated Clostridium Tetani Vaccine;…
OTC

Professional Complementary Health Formulas

Not stocked by us — reference only

D-116

OYSTER SHELL CALCIUM CARBONATE, CRUDE, TRIBASIC CALCIUM PHOSPHATE, CA…

Strength
12 [hp_X]/mL, 8 [hp_X]/mL, 4 [hp_X]/mL,…
Form
Solution
OTC

DNA Labs, Inc.

Not stocked by us — reference only

D-153

Juglans regia leaf, Lachesis, Calcarea carbonica, Lycopodium, Phospho…

Strength
1 [hp_X]/mL, 30 [hp_X]/mL, 30 [hp_X]/mL…
Form
Solution
Class
Calculi Dissolution Agent; Osmotic Laxa…
OTC

DNA Labs

Not stocked by us — reference only

D-154

Anamirta cocculus, Arabica coffee bean, Arsenicum album, Calcarea car…

Strength
12 [hp_X]/mL, 12 [hp_X]/mL, 12 [hp_X]/m…
Form
Solution
Class
Non-Standardized Food Allergenic Extrac…
OTC

DNA Labs

Not stocked by us — reference only

D-34

OYSTER SHELL CALCIUM CARBONATE, CRUDE, CALCIUM FLUORIDE, CALCIUM HYPO…

Strength
12 [hp_X]/mL, 6 [hp_X]/mL, 6 [hp_X]/mL,…
Form
Solution
Class
Blood Coagulation Factor; Phosphate Bin…
OTC

DNA Labs, Inc.

Not stocked by us — reference only

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.