Glycopyrrolate and Potassium chloride interaction

Glycopyrrolate and Potassium chloride: the Glycopyrrolate prescribing label flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Glycopyrrolate label · effective 2026-02-17

Major

• GI Toxicity with Solid Oral Dosage Forms of Potassium Chloride : Concomitant use is not recommended.

Drug interactionsnames Potassium chlorideView label on DailyMed
Major

Glycopyrrolate are not recommended in patients taking solid oral dosage forms of potassium chloride.

Drug interactionsnames Potassium chlorideView label on DailyMed
Moderate

Gastrointestinal Toxicity with Solid Oral Dosage Forms of Potassium Chloride Oral glycopyrrolate may worsen gastrointestinal mucosal injury reported with solid oral dosage forms of potassium chloride due to decreased gastric motility and increased transit time, leading to prolonged contact with the gastrointestinal mucosa.

Drug interactionsnames Potassium chlorideView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.