Famotidine
Pepcid, Pepcid AC [OTC], Pepcid AC Maximum Strength [OTC], Pepcid Complete [OTC], Zantac 360 [OTC], Zantac 360 Maximum Strength [OTC], and generics
Histamine-2-receptor antagonist
| B | 1 | Yes | No | No |
| Key |
- Injection: 10 mg/mL (2, 4, 20 mL); multidose vials contain 0.9% benzyl alcohol
- Premixed injection: 20 mg/50 mL in iso-osmotic sodium chloride
- Oral suspension: 40 mg/5 mL (50 mL); may contain parabens and sodium benzoate
- Tabs:
- Pepcid AC, Zantac 360, and generics [OTC]: 10 mg
- Pepcid, Pepcid AC Maximum Strength, Zantac 360 Maximum Strength, and generics [OTC and by prescription]: 20 mg
- Pepcid and generics: 40 mg
- Chewable tabs:
- Pepcid Complete (OTC): 10 mg famotidine with 800 mg calcium carbonate and 165 mg magnesium hydroxide (25s, 50s, 100s)
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Famotidine." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309496/all/Famotidine.
Famotidine. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309496/all/Famotidine. Accessed May 2, 2026.
Famotidine. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309496/all/Famotidine
Famotidine [Internet]. In: Hughes HKH, Kahl LKL, editors. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 May 02]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309496/all/Famotidine.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Famotidine
ID - 309496
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309496/all/Famotidine
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

