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Interactions médicamenteuses

Ampicillin-sulbactam + Doxycycline

Gravité: Modérée

Ampicillin-sulbactam and Doxycycline: moderate interaction.

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Résumé

Bacteriostatic tetracyclines may blunt the bactericidal activity of beta-lactams, which depend on actively growing bacteria. Clinical evidence is mostly from older studies in serious infections such as meningitis.

Ce que signifie cette interaction, en termes simples

Ampicillin-sulbactam and Doxycycline 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.

Ampicillin-sulbactam belongs to Anti Bacterial; Doxycycline belongs to Anti Bacterial.

Niveau de preuve: Low

Pourquoi elle survient

Tetracycline-induced inhibition of bacterial protein synthesis and growth reduces beta-lactam killing, which requires cell wall synthesis.

Conduite à tenir

Avoid the combination in severe infections such as meningitis or endocarditis where bactericidal activity is essential. Otherwise monitor clinical response.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Ampicillin-sulbactam with Doxycycline?

MediHelp rates the interaction as moderate. Ampicillin-sulbactam and Doxycycline 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. Bacteriostatic tetracyclines may blunt the bactericidal activity of beta-lactams, which depend on actively growing bacteria. Clinical evidence is mostly from older studies in serious infections such as meningitis.

How serious is the interaction between Ampicillin-sulbactam and Doxycycline?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination in severe infections such as meningitis or endocarditis where bactericidal activity is essential. Otherwise monitor clinical response.

What other medicines interact with Ampicillin-sulbactam?

MediHelp also lists interactions of Ampicillin-sulbactam with, for example, Methotrexate, Allopurinol, Bcg vaccine live. The full list is on the Ampicillin-sulbactam page.

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