Drug interactions
Gliclazide + Protriptyline
Severity: Minor
Gliclazide and Protriptyline: 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
Tricyclic antidepressants have been reported to alter glucose control and may enhance hypoglycemia with antidiabetic agents, while also masking some adrenergic warning symptoms. The effect is variable and of limited magnitude with gliclazide.
What this interaction means in plain words
Gliclazide and Protriptyline 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
Proposed pharmacodynamic effects on glucose homeostasis and insulin sensitivity; the mechanism is not firmly established.
What to do
Monitor blood glucose when protriptyline is started or stopped and counsel patients on hypoglycemia symptoms.
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 Gliclazide
Frequently asked questions
Can I take Gliclazide with Protriptyline?
MediHelp rates the interaction as minor. Gliclazide and Protriptyline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tricyclic antidepressants have been reported to alter glucose control and may enhance hypoglycemia with antidiabetic agents, while also masking some adrenergic warning symptoms. The effect is variable and of limited magnitude with gliclazide.
How serious is the interaction between Gliclazide and Protriptyline?
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 protriptyline is started or stopped and counsel patients on hypoglycemia symptoms.
What other medicines interact with Gliclazide?
MediHelp also lists interactions of Gliclazide with, for example, Ciprofloxacin, Clarithromycin, Disopyramide. The full list is on the Gliclazide page.
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