Drug interactions
Chlorpropamide + Testosterone buccal system
Severity: Minor
Chlorpropamide and Testosterone buccal system: minor 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
Androgens can improve insulin sensitivity and lower blood glucose in some patients. Combined with a sulfonylurea such as chlorpropamide, this may occasionally increase the glucose-lowering effect and the chance of hypoglycemia.
What this interaction means in plain words
Chlorpropamide and Testosterone buccal system have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive pharmacodynamic glucose-lowering effect through improved insulin sensitivity; the clinical significance is not well established.
What to do
Monitor blood glucose when testosterone therapy is started or changed in a patient taking chlorpropamide. Reduce the sulfonylurea dose if hypoglycemia occurs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Chlorpropamide
Frequently asked questions
Can I take Chlorpropamide with Testosterone buccal system?
MediHelp rates the interaction as minor. Chlorpropamide and Testosterone buccal system have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Androgens can improve insulin sensitivity and lower blood glucose in some patients. Combined with a sulfonylurea such as chlorpropamide, this may occasionally increase the glucose-lowering effect and the chance of hypoglycemia.
How serious is the interaction between Chlorpropamide and Testosterone buccal system?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose when testosterone therapy is started or changed in a patient taking chlorpropamide. Reduce the sulfonylurea dose if hypoglycemia occurs.
What other medicines interact with Chlorpropamide?
MediHelp also lists interactions of Chlorpropamide with, for example, Ethanol, Exenatide, Insulin degludec-insulin aspart. The full list is on the Chlorpropamide page.
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