Compare Aciphex vs. Pepcid

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Aciphex (rabeprazole)

Prescription only

Pepcid (Famotidine)

Prescription or OTC
Treats heartburn and ulcers.

Aciphex (rabeprazole) is good for treating heartburn and ulcers, but should not be used long-term.

Relieves heartburn.

Pepcid (Famotidine) works well for heartburn but may not last as long or start working as quickly as other antacids.

3.7/ 5 average rating with 853 reviewsforPepcid
Upsides
  • Aciphex (rabeprazole) works better than over-the-counter medications that have not relieved your acid reflux.
  • The delayed-release pill provides relief over 24 hours.
  • Aciphex (rabeprazole) can be taken with or without food.
  • The capsule can be safely used by children as young as 1 year old.
  • Most people can take Famotidine without any noticeable day-to-day side effects.
  • Famotidine lasts longer than many other antacids like Maalox and Tums, and you only need to take it once or twice a day.
  • You can take it in combination with a quick-acting antacid (like Maalox or Tums) if you need relief right away.
  • Available as both a generic and over-the-counter option, so it's pretty affordable.
  • Few drug interactions.
Downsides
  • Using Aciphex (rabeprazole) for a long time can can weaken your bones or increase your risk for infectious diarrhea.
  • Lowers magnesium and vitamin B12 in your body so you may need to take supplements.
  • Aciphex (rabeprazole) interferes with how many medications work.
  • Other antacids like Maalox, Tums, or Rolaids often start to work more quickly than Famotidine.
  • Medication like omeprazole (proton pump inhibitors) works better at healing and preventing stomach ulcers than medication like Famotidine (H2 blockers).
  • Can cause more serious side effects for people with kidney disease. Ask your doctor to give you a lower dose or choose a different option.
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Used for
Dosage forms
  • Delayed release pill
  • Pill
  • Chewable tablet
  • Liquid
Price
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Reviews
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853 reviews so far
75%
saidit'sworth it
41%
saiditworked well
8%
saidit'sa big hassle

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Side effects
5possible side effects
  • Headache
    10%
  • Diarrhea
    5%
  • Nausea
    5%
  • Vomiting
    4%
  • Abdominal pain
    4%
See more detailed side effects
2possible side effects
  • Headache
    5%
  • Diarrhea
    2%
See more detailed side effects
Risks and risk factors
  • Stomach cancer
  • Kidney inflammation
  • Severe diarrhea
    • Being hospitalized
    • Antibiotic use
  • Bone fractures
    • High dose Aciphex (rabeprazole)
    • Taking Aciphex (rabeprazole) for longer than one year
    • Low bone mineral density
    • Age 50 years or older
    • Alcohol
    • Smoking
    • Taking steroids or anti-seizure medicines
  • Low levels of magnesium and vitamin B12
  • Lupus
See more detailed risks and warnings
  • Hiding possible cancer
  • Increased side effects
    • Current kidney disease
  • Allergic reaction
See more detailed risks and warnings