Pepcid vs. Zantac 360

See how Pepcid and Zantac 360 compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Pepcid and Zantac 360 both contain famotidine, the same H2 blocker, but Pepcid comes in prescription strengths for diagnosed ulcers and GERD while Zantac 360 is an OTC option for occasional heartburn.

  • Pepcid follows a structured schedule taken for weeks at a time to treat a diagnosed condition, while Zantac 360 is taken as needed right before or after heartburn strikes.

  • Because they share the same active ingredient, side effects like headache and dizziness overlap, but only Pepcid's prescription label reports exact rates for how often they occur.

Pepcid vs. Zantac 360 Drug Summary

Pepcid

Pepcid (famotidine) is a prescription-strength H2 blocker that reduces stomach acid to treat ulcers, GERD, and erosive esophagitis. It's taken in doses from 20 mg to 40 mg, once or twice daily, usually for 6 to 12 weeks depending on the condition.

Zantac 360

Zantac 360 (famotidine) is the same H2 blocker sold over the counter for occasional heartburn from acid indigestion. It comes in 10 mg or 20 mg tablets, taken as needed to relieve symptoms or shortly before trigger foods to help prevent them.

Pepcid vs. Zantac 360 Side Effects

Pepcid

Most common
Headache (up to 4.7%)
Diarrhea (up to 1.7%)
Dizziness (up to 1.3%)
Constipation (up to 1.2%)

Zantac 360

Most common
Headache (not specified)
Diarrhea (not specified)
Dizziness (not specified)
Constipation (not specified)

Pepcid vs. Zantac 360 Dosage

Pepcid

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 40 mg once daily At the start
Maximum dose 20 mg once daily If needed
Dose changes 3 increases As tolerated

Zantac 360

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 10 mg as needed At the start
Maximum dose 20 mg as needed If needed
Dose changes 1 increase As tolerated

Pepcid vs. Zantac 360 Indications

Pepcid

Pepcid is FDA-approved for short-term and maintenance treatment of acid-related conditions diagnosed by a doctor. It heals active ulcers, controls GERD symptoms, treats erosive esophagitis, and manages rare hypersecretory disorders.

  • Heals active duodenal and gastric ulcers

  • Controls heartburn and other GERD symptoms

  • Treats erosive esophagitis from acid reflux

  • Manages rare acid-hypersecretory conditions

Zantac 360

Zantac 360 is FDA-approved as an over-the-counter product for occasional heartburn, not for doctor-diagnosed ulcers or GERD. It relieves existing heartburn and can be taken ahead of trigger foods to help prevent it.

  • Relieves heartburn from acid indigestion

  • Prevents heartburn triggered by certain foods

  • Meant for occasional, short-term use only

  • Not approved for diagnosed ulcers or GERD

Pepcid vs. Zantac 360 Pros and Cons

Pepcid

Pepcid offers prescription-strength dosing that treats diagnosed ulcers, GERD, and esophagitis, which OTC famotidine isn't approved to do. It requires a doctor's visit for these longer, higher-dose regimens, and cost varies depending on dose and insurance coverage.

Pros

  • Treats diagnosed ulcers, GERD, and esophagitis

  • Higher-dose options for stronger acid control

  • Often covered by insurance when prescribed

Cons

  • Requires a doctor's visit for higher doses

  • Longer 6 to 12 week courses needed for healing

  • Can cost more, roughly $10 to $100 per month before insurance

Zantac 360

Zantac 360 offers the convenience of over-the-counter access for occasional heartburn, without needing a doctor's visit or prescription. It isn't approved to treat diagnosed ulcers or GERD, and its OTC label doesn't report exact side effect rates.

Pros

  • Available without a prescription

  • Simple as-needed dosing, no titration

  • Consistently affordable, roughly $8 to $15 per month

Cons

  • Only approved for occasional heartburn

  • Doesn't treat or heal underlying ulcers or GERD

  • OTC label doesn't report exact side effect rates

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