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Calcium carbonate Alternatives Compared

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Calcium carbonate Omeprazole Famotidine
View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Calcium carbonate Omeprazole Famotidine
Over-the-counter

Prescribed for GERD, Osteoporosis, Hypocalcemia, Osteopenia, Erosive Esophagitis, Indigestion, Stomach Ulcer, Duodenal Ulcer. Calcium carbonate may also be used for purposes not listed in this... View more

Prescription and OTC

Omeprazole decreases stomach acid production which promotes the healing of gastric and duodenal ulcers and other inflamed areas of gastrointestinal tissue. The risk of interactions with omeprazole... View more

Prescription and OTC

Famotidine is an acid-suppressing agent that may be used to treat a wide range of gastric-acid-related disorders including gastric ulcers, heartburn, and GERD. A headache is the most common side... View more

More about Calcium carbonate More about Omeprazole More about Famotidine
Ratings & Reviews

Calcium carbonate has an average rating of 7.5 out of 10 from a total of 20 ratings on Drugs.com. 70% of reviewers reported a positive effect, while 15% reported a negative effect.

Omeprazole has an average rating of 4.7 out of 10 from a total of 499 ratings on Drugs.com. 32% of reviewers reported a positive effect, while 51% reported a negative effect.

Famotidine has an average rating of 4.4 out of 10 from a total of 174 ratings on Drugs.com. 33% of reviewers reported a positive effect, while 57% reported a negative effect.

View all 20 reviews

View all 499 reviews

View all 174 reviews

Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified.

View all Calcium carbonate side effects

View all Omeprazole side effects

View all Famotidine side effects
Drug Class
Generic Availability

Lower cost generic

Lower cost generic

Lower cost generic
Pricing and Coupons * Prices are without insurance
Quantity 80 tablet, chewable
Strength 750 mg
Per unit* $0.15
Cost* $11.74

View all Calcium carbonate prices

Quantity 50 each
Strength 20 mg
Per unit* $0.39
Cost* $19.42

View all Omeprazole prices

Quantity 6 tablet
Strength 20 mg
Per unit* $2.22
Cost* $13.34

View all Famotidine prices

Get free Discount Card

Get free Discount Card

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Dosage Forms
  • Compounding powder
  • Oral suspension
  • Oral tablet
  • Oral tablet, chewable
  • Oral delayed release capsule
  • Oral delayed release tablet
  • Oral tablet, disintegrating, delayed release
  • Intravenous solution
  • Oral powder for reconstitution
  • Oral tablet
Brand Names
Alcalak, Alka-Seltzer Cool Action Heartburn Relief Gum, Alka-Seltzer Heartburn ReliefChews, Alkets, Alkums, Ami-Lac, Amitone, Cal Oys, Cal-Gest, Cal-Mint, Calcarb, Calci Mix, Calci-Chew, Calcid, Calcitab, Calcium Concentrate, Calcium Liquid Softgel, Calcium Oyster, Calcium Oyster Shell, Caltrate, Caltro, Chooz, D-Cal, Dicarbosil, Equilet, Icar Prenatal Chewable Calcium, Maalox Children's Relief, Maalox Regular Strength, Oysco 500, Oyster Cal, Oyster Calcium, Oyster Shell, Oyster Shell Calcium, Oyster Shell Calcium 500, Titralac, Trial Antacid, Tums Antacid Naturals, Tums Chewy Bites, Tums Chewy Bites Ultra Strength, Tums Chewy Delights, Tums Extra Strength 750, Tums Freshers, Tums Kids, Tums Regular Strength, Tums Smoothies, Tums Smoothies Extra Strength, Tums Sugar-Free, Tums Ultra 1000 View more Omesec, Prilosec, Prilosec OTC Acid Control, Acid Controller Maximum Strength, Acid Controller Original Strength, Acid Reducer Maximum Strength, Acid Reducer Original Strength, Acid Reducer-Famotidine, Heartburn Relief, Heartburn Relief Maximum Strength, Pepcid, Pepcid AC, Pepcid AC Chewable Tablets, Pepcid AC Maximum Strength, Pepcid AC Maximum Strength Tablets, Pepcid Oral Suspension, Zantac 360 View more
Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value.

N/A

1.5 hours

4 hours
CSA Schedule 1 View glossary of CSA terms
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
Pregnancy Category
N
Category N Not classified

See the full pregnancy warnings document.
C
Category C Risk cannot be ruled out

See the full pregnancy warnings document.
B
Category B No proven risk in humans

See the full pregnancy warnings document.
Drug Interactions

A total of 222 drugs are known to interact with Calcium carbonate:

  • 11 major drug interactions (27 brand and generic names)
  • 158 moderate drug interactions (1481 brand and generic names)
  • 53 minor drug interactions (355 brand and generic names)

A total of 240 drugs are known to interact with Omeprazole:

  • 25 major drug interactions (66 brand and generic names)
  • 167 moderate drug interactions (1314 brand and generic names)
  • 48 minor drug interactions (273 brand and generic names)

A total of 312 drugs are known to interact with Famotidine:

  • 14 major drug interactions (36 brand and generic names)
  • 252 moderate drug interactions (824 brand and generic names)
  • 46 minor drug interactions (294 brand and generic names)
Alcohol/Food/Lifestyle Interactions
  • Calcium absorption may be increased by taking it with food. However, foods high in oxalic acid... View more

No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Disease Interactions
First Approval Date

N/A

June 20, 2003

October 15, 1986
WADA Class View classifications

N/A

N/A

N/A
More Information
Patient Resources
Professional Resources

N/A
Related Treatment Guide

1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

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