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Interações medicamentosas

Bictegravir + Calcium

Gravidade: Moderada

Bictegravir and Calcium: moderate 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

Calcium-containing products can bind bictegravir in the gut and lower its absorption, risking reduced antiviral efficacy and resistance. The effect is greatest when both are taken together while fasting.

O que esta interação significa em palavras simples

Bictegravir and Calcium 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.

Nível de evidência: High

Por que acontece

Polyvalent calcium cations chelate bictegravir in the gastrointestinal tract, reducing absorption.

O que fazer

Bictegravir can be taken with calcium supplements together with food. Otherwise give bictegravir at least 2 hours before calcium-containing products.

O que perguntar ao farmacêutico

  • 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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Perguntas frequentes

Can I take Bictegravir with Calcium?

MediHelp rates the interaction as moderate. Bictegravir and Calcium 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. Calcium-containing products can bind bictegravir in the gut and lower its absorption, risking reduced antiviral efficacy and resistance. The effect is greatest when both are taken together while fasting.

How serious is the interaction between Bictegravir and Calcium?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Bictegravir can be taken with calcium supplements together with food. Otherwise give bictegravir at least 2 hours before calcium-containing products.

What other medicines interact with Calcium?

MediHelp also lists interactions of Calcium with, for example, Ceftriaxone, Acalabrutinib, Alendronate. The full list is on the Calcium page.

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