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Interações medicamentosas

Demeclocycline + Isotretinoin

Gravidade: Contraindicada

Demeclocycline and Isotretinoin: contraindicated interaction.

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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.

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Resumo

Both isotretinoin and tetracyclines such as demeclocycline can independently cause raised intracranial pressure. Combined use increases the risk of pseudotumor cerebri, with headache, visual disturbance and papilledema, and potential permanent vision loss.

O que esta interação significa em palavras simples

Demeclocycline and Isotretinoin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Nível de evidência: Moderate

Por que acontece

Additive pharmacodynamic effect on intracranial pressure; exact mechanism not established.

O que fazer

Avoid concurrent use; choose a non-tetracycline antibiotic. If headache or visual symptoms develop, stop both and obtain urgent ophthalmologic evaluation.

O que perguntar ao farmacêutico

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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Perguntas frequentes

Can I take Demeclocycline with Isotretinoin?

MediHelp rates the interaction as contraindicated. Demeclocycline and Isotretinoin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Both isotretinoin and tetracyclines such as demeclocycline can independently cause raised intracranial pressure. Combined use increases the risk of pseudotumor cerebri, with headache, visual disturbance and papilledema, and potential permanent vision loss.

How serious is the interaction between Demeclocycline and Isotretinoin?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use; choose a non-tetracycline antibiotic. If headache or visual symptoms develop, stop both and obtain urgent ophthalmologic evaluation.

What other medicines interact with Isotretinoin?

MediHelp also lists interactions of Isotretinoin with, for example, Minocycline, Oxytetracycline, Palovarotene. The full list is on the Isotretinoin page.

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