Drug interactions
Ertugliflozin-sitagliptin + Guanfacine
Severity: Minor
Ertugliflozin-sitagliptin and Guanfacine: 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
Guanfacine, a centrally acting alpha-2 agonist, may reduce the sympathetic warning symptoms of hypoglycemia such as tremor and palpitations. This could delay recognition of low glucose in patients on glucose-lowering drugs. The risk is small with this combination because neither component alone commonly causes hypoglycemia.
What this interaction means in plain words
Ertugliflozin-sitagliptin and Guanfacine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ertugliflozin-sitagliptin belongs to Endocrine; Guanfacine belongs to Cardiovascular.
Why it happens
Central alpha-2 agonism reduces sympathetic and catecholamine responses to hypoglycemia, masking adrenergic warning symptoms.
What to do
Advise patients that hypoglycemia symptoms may be blunted and encourage regular blood glucose monitoring, especially if insulin or a sulfonylurea is also used.
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 Ertugliflozin-sitagliptin
Other interactions of Guanfacine
- Clonidine + Guanfacine Major
- Guanfacine + Lofexidine Major
- Aldesleukin + Guanfacine Moderate
- Amiodarone + Guanfacine Moderate
- Amisulpride + Guanfacine Moderate
- Amitriptyline + Guanfacine Moderate
Frequently asked questions
Can I take Ertugliflozin-sitagliptin with Guanfacine?
MediHelp rates the interaction as minor. Ertugliflozin-sitagliptin and Guanfacine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Guanfacine, a centrally acting alpha-2 agonist, may reduce the sympathetic warning symptoms of hypoglycemia such as tremor and palpitations. This could delay recognition of low glucose in patients on glucose-lowering drugs. The risk is small with this combination because neither component alone commonly causes hypoglycemia.
How serious is the interaction between Ertugliflozin-sitagliptin and Guanfacine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients that hypoglycemia symptoms may be blunted and encourage regular blood glucose monitoring, especially if insulin or a sulfonylurea is also used.
What other medicines interact with Ertugliflozin-sitagliptin?
MediHelp also lists interactions of Ertugliflozin-sitagliptin with, for example, Albiglutide, Aripiprazole, Asenapine. The full list is on the Ertugliflozin-sitagliptin page.
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