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cimetidine

cimetidine
  • Restricted Medications Non-Formulary
Brand names: Tagamet
No brands, forms, or strengths have been added for this generic.
Display Histamine H2-Antagonists Class: 562812
Medication comments:
Per policy, orders for these non-formulary agents will be changed to formulary equivalents.  
Non-Formulary Agent Formulary Equivalent
cimetidine (Tagamet) famotidine (Pepcid) 20 mg, subject to renal dosing adjustments by pharmacy (see famotidine for more info)
famotidine (Pepcid) liquid for pediatric patients
2023 American Geriatrics Society Beers Criteria® for potentially inappropriate medication use in older adults.
Medication: cimetidine (Tagamet)
Criteria 2: Potentially inappropriate medication use in older adults due to drug–disease or drug–syndrome interactions that may exacerbate the disease or syndrome. (Table 3)
Drug(s) ⇆ disease or syndrome H2-receptor antagonists ⇄ Delirium
Rationale Avoid in older adults with or at high risk of delirium because of the potential of inducing or worsening delirium.
Recommendation Avoid
 Quality of evidence: Low, Strength of Recommendation: Strong
 
Criteria 5: medications that should be avoided or have their dosage reduced with varying levels of kidney function in older adults. (Table 6)
CrCl (mL/min) at which action is required <50
Rationale Mental status changes
Recommendation Reduce dose
 Quality of evidence: Moderate, Strength of Recommendation: Strong
Last updated: Sep. 18, 2025
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Pharmacy Contact Info:

Main Inpatient Pharmacy: ext 4599, 3503
Fax: 704-878-7283

Director of Pharmacy - Randi Raynor, PharmD: ext 4501
Clinical Coordinator - Laura Rollings, PharmD: ext 4597
Pharmacy Informaticist - Stephen Pringle, PharmD: ext 7645
Pharmacy Technician Supervisor - Amy Wingler, CPhT: ext 7385
Pharmacy Automation Coordinator (Omnicell) - Melissa Fulford, CPhT: ext 3556



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