Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- COVID-19 mRNA (Moderna) vaccine
- famotidine
Interactions between your drugs
No drug ⬌ drug interactions were found between the drugs in your list. However, this does not necessarily mean no drug interactions exist. Always consult your healthcare provider.
Drug and food interactions
famotidine food
Applies to: famotidine
H2 antagonists may reduce the clearance of nicotine. Cimetidine, 600 mg given twice a day for two days, reduced clearance of an intravenous nicotine dose by 30%. Ranitidine, 300 mg given twice a day for two days, reduced clearance by 10%. The clinical significance of this interaction is not known. Patients should be monitored for increased nicotine effects when using the patches or gum for smoking cessation and dosage adjustments should be made as appropriate.
References (1)
- Bendayan R, Sullivan JT, Shaw C, Frecker RC, Sellers EM (1990) "Effect of cimetidine and ranitidine on the hepatic and renal elimination of nicotine in humans." Eur J Clin Pharmacol, 38, p. 165-9
Therapeutic duplication warnings
No duplication warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
Report options
- Switch to consumer interaction data
- Email this report to a friend, doctor, or patient
- Ask questions, find answers
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
See also:
Abrysvo
Abrysvo vaccine protects against LRTD (lower respiratory tract disease) caused by the Respiratory ...
ACAM2000
ACAM2000 vaccine may be used to prevent smallpox and mpox disease in people of any age at high risk ...
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Afluria
Afluria is a vaccine used to prevent infection caused by influenza virus. Learn about side effects ...
Afluria Preservative-Free Pediatric Quadrivalent
Afluria Preservative-Free Pediatric Quadrivalent is used for influenza prophylaxis
Afluria Preservative-Free Quadrivalent
Afluria Preservative-Free Quadrivalent is used for influenza prophylaxis
Afluria Quadrivalent
Afluria Quadrivalent is used for influenza prophylaxis
Arexvy
Arexvy is an RSV vaccine used to prevent severe Respiratory Syncytial Virus Vaccine (RSV) symptoms ...
Learn more
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Check Interactions
To view an interaction report containing 4 (or more) medications, please sign in or create an account.
Save Interactions List
Sign in to your account to save this drug interaction list.