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What the FDA labels say about taking them together

Olanzapine and repaglinide

Repaglinide's FDA label of May 2, 2025 names olanzapine in its drug interactions section; the olanzapine labels PlainMeds reads (3) do not name repaglinide. The repaglinide label: “Drugs That May Decrease the Blood Glucose Lowering Effect of Repaglinide Tablets Intervention: Repaglinide tablets dose increases and increased frequency of glucose monitoring may be required when co-administered. …”

Check it at the source: the olanzapine FDA label on DailyMed (effective March 5, 2026, Macleods Pharmaceuticals Limited); the repaglinide FDA label on DailyMed (effective May 2, 2025, Chartwell RX, LLC).

What does the olanzapine label say about repaglinide?

Olanzapine's label (effective March 5, 2026) and its 2 other brand-application labels do not name repaglinide in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Olanzapine), Macleods Pharmaceuticals Limited, effective March 5, 2026 (SPL set 8e095987-bdea-42f2-9550-c7155cf07d30), via openFDA; the full label on DailyMed

What does the repaglinide label say about olanzapine?

Repaglinide label, drug interactions

Drugs That May Decrease the Blood Glucose Lowering Effect of Repaglinide Tablets Intervention: Repaglinide tablets dose increases and increased frequency of glucose monitoring may be required when co-administered. Examples: Atypical antipsychotics (e.g., olanzapine and clozapine), calcium channel antagonists, corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), and thyroid hormones.

Source: FDA drug label (Repaglinide), Chartwell RX, LLC, effective May 2, 2025 (SPL set cb995e92-295e-4638-a064-978211f5afe1), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

43Olanzapine generic labelers
7Repaglinide generic labelers
OlanzapineRepaglinide
Labeled forSchizophrenia, Bipolar disorder, DepressionType 2 diabetes
Boxed warningYesNo
Pharmacy cost (NADAC)$0.147 per tablet 20 mg tablet$0.0987 per tablet 1 mg tablet
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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