How to Take Pepcid: Side Effects, Dosage
How to take Pepcid: dosing, common side effects, and precautions to relieve heartburn and acid reflux.
Not medical advice. Speak with a healthcare professional before using any medication.
Reviewed by:
Updated Feb, 15
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Information sourced from FDA-approved prescribing information and peer-reviewed medical references.
How to Take Pepcid
How to Take Pepcid (famotidine)
Per OTC labeling, Pepcid (famotidine) can be taken with or without food. Swallow tablets with a sip of water and try to take it at the same time each day if you use it regularly.
Typical Adult Dosing
- For heartburn relief: Per OTC labeling, 10–20 mg by mouth once as needed.
- For prevention (before meals that trigger symptoms): Per OTC labeling, 10–20 mg taken about 15–60 minutes before eating.
- For daily control: Per OTC labeling, 20 mg once daily; consult a clinician before exceeding standard OTC directions.
Children (12 years and older)
- Per OTC labeling: 10–20 mg once or twice daily as needed, same as adult OTC dosing.
Children 1–11 years
- Weight 10–17 kg (22–37 lb): Per FDA-approved prescribing information, 5 mg once daily; may increase to 5 mg twice daily under clinician direction.
- Weight 18–36 kg (38–79 lb): Per FDA-approved prescribing information, 10 mg once daily; may increase to 10 mg twice daily under clinician direction.
Tablets may be crushed and mixed with a small amount of soft food for younger children if needed, per prescriber guidance.
Helpful Tips
- Per OTC labeling, do not exceed two doses in 24 hours unless a clinician has advised otherwise.
- If you use Pepcid only when symptoms arise, take it at the first sign of discomfort.
- For regular daily use, take it at a consistent time, such as morning or bedtime.
Warnings Before Taking Pepcid
- Per OTC labeling, avoid if allergic to famotidine or similar acid-reducers.
- Per FDA-approved prescribing information, tell your doctor about kidney problems, as dosing may need adjustment.
- Per OTC labeling, discuss use if you have trouble swallowing, unexplained weight loss, or persistent stomach pain.
- Check with a clinician before use if pregnant, breastfeeding, or taking other medications.
Pepcid Side Effects
Common
mild
Headache
Per OTC labeling, headache is a recognized side effect of famotidine. This usually eases as your body adjusts and is rarely severe.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
2–6 hours
Uncommon
mild
Dizziness
Per OTC labeling, a small number of people may feel lightheaded or dizzy, especially when standing quickly. Moving slowly can help prevent this.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
1–3 hours
Uncommon
mild
Constipation
Per OTC labeling, Pepcid may slow digestion slightly, leading to firmer stools or mild constipation.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
1–2 days
Uncommon
mild
Diarrhea
Per OTC labeling, some individuals experience looser stools or mild diarrhea. This is generally short-lived.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
4–12 hours
Rare
mild
Fatigue
Per OTC labeling, a sense of tiredness or low energy can occur in some users.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
2–6 hours
Rare
mild
Muscle or Joint Aches
Per OTC labeling, occasionally people may notice mild muscle or joint discomfort. This side effect tends to resolve without treatment.
Per OTC Drug Facts labeling. If symptoms persist or worsen, stop use and consult a healthcare provider.
Normally lasts for:
a few hours to 1 day
Contact Us for a Personalized Care Plan
Have questions about compounding? Contact Voshell's Pharmacy — we prepare patient-specific medications pursuant to valid prescriptions from your licensed prescriber.
What If You Forgot to Take Pepcid
If You Forgot to Take Pepcid
If you miss a dose of Pepcid, take it as soon as you remember. If it's already close to the time for your next scheduled dose, skip the missed one and return to your usual timing. Avoid doubling doses — taking extra won't provide added relief and may increase stomach discomfort. If you find you're forgetting often, using a reminder or pairing the dose with a routine can help keep you on track.
What If You Took Too Much Pepcid
What If You Took Too Much Pepcid?
If more than the labeled amount was taken, contact Poison Control at 1-800-222-1222 right away. If symptoms occur or you are uncertain about the amount taken, seek medical guidance promptly.
- Do not take additional doses until you have spoken with Poison Control or a clinician.
- If you have kidney problems or took it with other medications, inform Poison Control when you call.
- Keep this and all medications out of reach of children.
How Much Does Pepcid Cost
Pepcid Cost With Insurance
With most insurance plans, Pepcid (famotidine) is often placed on a low formulary tier because it is also available over-the-counter. Actual costs depend on your specific plan, formulary tier, and pharmacy. Contact your insurance plan or pharmacy for your exact copay amount.
Some plans cover it completely if your clinician prescribes the generic version.
Brand-name Pepcid may cost more depending on your plan's tier structure.
If you prefer OTC Pepcid, it may be available at retail without using insurance.
Pricing information is subject to change. Contact your pharmacy or insurance plan for current pricing.
How Much Does Pepcid Cost without Insurance
Pepcid Cost Without Insurance
The price can vary by pharmacy and whether you choose brand-name or generic. Pepcid contains famotidine as its active ingredient; a generic version is available.
- Generic famotidine tablets: pricing varies by pharmacy and package size — contact your local pharmacy for current pricing.
- Brand-name Pepcid: typically priced higher than generic; check with your pharmacy for current costs.
