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Interazioni tra farmaci

Cimetidine + Pefloxacin

Gravità: Moderata

Cimetidine and Pefloxacin: moderate interaction.

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Sintesi

Cimetidine has been reported to slow pefloxacin elimination, raising its levels and half-life. Increased fluoroquinolone adverse effects such as CNS effects are possible but this is rarely significant.

Cosa significa questa interazione in parole semplici

Cimetidine and Pefloxacin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Cimetidine belongs to Gastrointestinal Tract; Pefloxacin belongs to Anti Bacterial.

Livello di evidenza: Low

Perché avviene

Cimetidine inhibits hepatic oxidative metabolism of pefloxacin, reducing its clearance.

Cosa fare

Monitor for CNS effects and tendon or gastrointestinal adverse effects, and consider lowering the pefloxacin dose in hepatic impairment or the elderly.

Cosa chiedere al farmacista

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Cimetidine with Pefloxacin?

MediHelp rates the interaction as moderate. Cimetidine and Pefloxacin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Cimetidine has been reported to slow pefloxacin elimination, raising its levels and half-life. Increased fluoroquinolone adverse effects such as CNS effects are possible but this is rarely significant.

How serious is the interaction between Cimetidine and Pefloxacin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for CNS effects and tendon or gastrointestinal adverse effects, and consider lowering the pefloxacin dose in hepatic impairment or the elderly.

What other medicines interact with Cimetidine?

MediHelp also lists interactions of Cimetidine with, for example, Dofetilide, Fezolinetant, Alfentanil. The full list is on the Cimetidine page.

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