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Drug interactions

Danazol + Tolazamide

Severity: Moderate

Danazol and Tolazamide: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Danazol can impair glucose tolerance and cause insulin resistance, which may alter diabetes control in patients taking tolazamide. Changes in glycemic control, usually hyperglycemia, can occur.

What this interaction means in plain words

Danazol and Tolazamide 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.

Evidence level: Low

Why it happens

Androgenic effects of danazol cause insulin resistance and altered glucose metabolism, opposing or confusing sulfonylurea effects.

What to do

Monitor blood glucose closely when danazol is started or stopped. Adjust the tolazamide dose accordingly.

What to ask your pharmacist

  • 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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Frequently asked questions

Can I take Danazol with Tolazamide?

MediHelp rates the interaction as moderate. Danazol and Tolazamide 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. Danazol can impair glucose tolerance and cause insulin resistance, which may alter diabetes control in patients taking tolazamide. Changes in glycemic control, usually hyperglycemia, can occur.

How serious is the interaction between Danazol and Tolazamide?

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 blood glucose closely when danazol is started or stopped. Adjust the tolazamide dose accordingly.

What other medicines interact with Tolazamide?

MediHelp also lists interactions of Tolazamide with, for example, Disopyramide, Insulin degludec-liraglutide, Aceclofenac. The full list is on the Tolazamide page.

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