Insulin Human and Fluoxetine Interaction

Drug interaction information between Insulin Human and Fluoxetine.

Insulin Human and Fluoxetine have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Insulin Human and Fluoxetine. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Insulin Human

Intermediate-Acting Insulin Combination

Drug B

Fluoxetine

Selective Serotonin Reuptake Inhibitor (SSRI)

How They Interact

Fluoxetine can increase the risk of low blood sugar when taken with insulin.

FDA Label Information

7 DRUG INTERACTIONS Table 1: Clinically Significant Drug Interactions with HUMULIN 70/30 Drugs that May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analog (e.g., octreotide), and sulfonamide antibiotics Intervention: Dose adjustment and increased frequency of glucose monitoring may be required when HUMULIN 70/30 is co-administered with these drugs.

Frequently Asked Questions

What SPL severity band is on file for Insulin Human/Insulin Isophane + Fluoxetine?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Fluoxetine has 68 labeled pairs on file vs Insulin Human's 11. In the moderate band specifically: Insulin Human has 3 (also Pramlintide, Octreotide); Fluoxetine has 19 (also Alprazolam, Diazepam, Carbamazepine, Haloperidol).

What mechanism field is on file for Insulin Human/Insulin Isophane and Fluoxetine?

Fluoxetine can increase the risk of low blood sugar when taken with insulin.

Fluoxetine carries more major-labeled pairs than Insulin Human

SPL source-record counts only. This page's band is moderate · classes on file: Insulin Human (Intermediate-Acting Insulin Combination); Fluoxetine (Selective Serotonin Reuptake Inhibitor (SSRI)).

Fluoxetine has 6 major-labeled pairs vs Insulin Human's 0. This page itself is in the moderate band, not the major band.

Insulin Human

0 major · 3 moderate · 8 minor · 11 total

Fluoxetine

6 major · 19 moderate · 43 minor · 68 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.