Aciphex vs. Zantac 360

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

Key Takeaways

  • Aciphex is a prescription PPI for serious acid conditions like erosive GERD, ulcers, and Zollinger-Ellison syndrome, while Zantac 360 is an OTC H2 blocker for occasional heartburn.

  • Aciphex requires a doctor's prescription and costs far more per month than the over-the-counter Zantac 360.

  • Both drugs can cause headache and constipation, but long-term Aciphex use carries added risks like bone fracture and C. difficile infection that Zantac 360 does not.

Aciphex vs. Zantac 360 Drug Summary

Aciphex

Aciphex (rabeprazole) is a proton pump inhibitor that lowers stomach acid production to heal erosive GERD, duodenal ulcers, and hypersecretory conditions like Zollinger-Ellison syndrome. It's a delayed-release tablet taken once or twice daily depending on the condition. It requires a prescription and is approved for adults and adolescents 12 and older.

Zantac 360

Zantac 360 (famotidine) is an H2 receptor antagonist sold over the counter to relieve and prevent heartburn from acid indigestion and sour stomach. It's a film-coated tablet taken as needed, either after symptoms start or before eating foods known to trigger heartburn. It replaced the original ranitidine-based Zantac, which was recalled over contamination concerns.

Aciphex vs. Zantac 360 Side Effects

Aciphex

Most common
headache (up to 9.9%)
constipation (up to 2%)
pain (up to 3%)
pharyngitis (up to 3%)

Zantac 360

Most common
headache (not specified)
constipation (not specified)
dizziness (not specified)
diarrhea (not specified)

Aciphex vs. Zantac 360 Dosage

Aciphex

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 20 mg once daily At the start
Maximum dose 60 mg twice 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

Aciphex vs. Zantac 360 Indications

Aciphex

Aciphex is FDA approved to heal and maintain healing of erosive GERD, treat duodenal ulcers, and manage excess acid production in conditions like Zollinger-Ellison syndrome. Combined with antibiotics, it also helps eradicate H. pylori infection. It's approved for adults and adolescents 12 and older, but not for younger children.

  • Healing of erosive or ulcerative GERD

  • Maintenance of GERD healing

  • Duodenal ulcer healing

  • H. pylori eradication with antibiotics

Zantac 360

Zantac 360 is approved to relieve heartburn caused by acid indigestion and sour stomach, and to prevent it when taken before eating known trigger foods or drinks. It's meant for occasional symptoms rather than diagnosed conditions like erosive GERD or ulcers. It isn't recommended for children under 12 without a doctor's guidance.

  • Relief of heartburn from acid indigestion

  • Relief of sour stomach

  • Prevention of heartburn from trigger foods or drinks

  • Available without a prescription

Aciphex vs. Zantac 360 Pros and Cons

Aciphex

Aciphex is a prescription-only proton pump inhibitor built for more severe or hard-to-treat acid conditions, including erosive GERD, ulcers, and hypersecretory disorders. Because it requires a prescription and closer medical oversight, it costs significantly more than over-the-counter options meant for occasional heartburn.

Pros

  • Treats serious conditions like erosive GERD, ulcers, and Zollinger-Ellison syndrome

  • Available in higher prescription-only doses for hard-to-control acid conditions

  • FDA approved to help eradicate H. pylori when combined with antibiotics

  • Once-daily dosing covers most approved uses

Cons

  • Requires a prescription to obtain

  • Roughly $658 to $1,536 per month without insurance, before savings programs

  • Long-term use carries risk of bone fracture and low magnesium

  • Contraindicated with the HIV medication rilpivirine

Zantac 360

Zantac 360 is an over-the-counter H2 blocker designed for occasional heartburn, not for healing ulcers or erosive GERD. It's inexpensive and easy to access without a prescription, but it lacks the potency and broader FDA-approved indications that make Aciphex suitable for more serious acid-related conditions.

Pros

  • Available over the counter without a prescription

  • Roughly $8 to $15 per month, far less costly than prescription PPIs

  • Can be taken as needed right before trigger foods or meals

  • Familiar, well-tolerated safety profile at OTC doses

Cons

  • Only approved for occasional heartburn, not erosive GERD or ulcers

  • Not intended for long-term or high-strength acid suppression needs

  • Provides symptom relief only, not a healing therapy

  • Should not be combined with other famotidine or H2-blocker products

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