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Interazioni tra farmaci

Allopurinol + Ampicillin-sulbactam

Gravità: Moderata

Allopurinol and Ampicillin-sulbactam: moderate interaction.

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Sintesi

Patients taking allopurinol and ampicillin have shown a higher rate of skin rash than with either drug alone. Rash is usually mild but can obscure or be mistaken for a serious hypersensitivity reaction.

Cosa significa questa interazione in parole semplici

Allopurinol and Ampicillin-sulbactam 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.

Allopurinol belongs to Genitourinary; Ampicillin-sulbactam belongs to Anti Bacterial.

Livello di evidenza: Moderate

Perché avviene

Mechanism unknown; possibly additive hypersensitivity or an effect of hyperuricemia on rash.

Cosa fare

Counsel patients to report any rash promptly and stop the drugs if rash is severe or accompanied by fever, mucosal lesions or blistering; consider an alternative antibiotic if feasible.

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 Allopurinol with Ampicillin-sulbactam?

MediHelp rates the interaction as moderate. Allopurinol and Ampicillin-sulbactam 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. Patients taking allopurinol and ampicillin have shown a higher rate of skin rash than with either drug alone. Rash is usually mild but can obscure or be mistaken for a serious hypersensitivity reaction.

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

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients to report any rash promptly and stop the drugs if rash is severe or accompanied by fever, mucosal lesions or blistering; consider an alternative antibiotic if feasible.

What other medicines interact with Ampicillin-sulbactam?

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

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