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Cimetidine Tablets and Norpace CR

Determining the interaction of Cimetidine Tablets and Norpace CR and the possibility of their joint administration.

Check result:
Cimetidine Tablets <> Norpace CR
Relevance: 15.08.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.

Professional:

A small study (n=6) has reported that concurrent administration of oral disopyramide and cimetidine resulted in a 19% increase in the peak plasma concentration of disopyramide, a 9% increase in the area under the plasma concentration-time curve, and a 20% increase in the total amount of disopyramide excreted unchanged in the urine. (Cimetidine did not alter the absorption of a single 150 mg dose of disopyramide administered by an IV bolus.) The mechanism of this interaction may be an increase in the absorption of disopyramide caused by cimetidine. Patients should be monitored for evidence of an interaction.

References
  • Bonde J, Pedersen LE, Nygaard E, Ramsing T, Angelo HR, Kampmann JP "Stereoselective pharmacokinetics of disopyramide and interaction with cimetidine." Br J Clin Pharmacol 31 (1991): 708-10
  • Jou MJ, Huang SC, Kiang FM, Lai MY, Chao PD "Comparison of the effects of cimetidine and ranitidine on the pharmacokinetics of disopyramide in man." J Pharm Pharmacol 49 (1997): 1072-5
Cimetidine Tablets

Generic Name: cimetidine

Brand name: Tagamet HB, Tagamet

Synonyms: Cimetidine

Norpace CR

Generic Name: disopyramide

Brand name: Norpace, Norpace CR

Synonyms: n.a.

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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