Drug interactions
Pegvisomant + Sitagliptin
Severity: Minor
Pegvisomant and Sitagliptin: 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
Pegvisomant blocks growth hormone action, lowering IGF-1 and improving insulin sensitivity in acromegaly, which may lower glucose and add to antidiabetic drug effect. Hypoglycemia risk with sitagliptin alone is low, but glucose may fall as acromegaly is controlled.
What this interaction means in plain words
Pegvisomant and Sitagliptin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Pegvisomant belongs to Endocrine; Sitagliptin belongs to Endocrine.
Why it happens
Additive glucose lowering through growth hormone receptor antagonism, which reduces insulin resistance.
What to do
Monitor blood glucose after starting pegvisomant and reduce antidiabetic doses if glucose falls.
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 Sitagliptin
- Albiglutide + Sitagliptin Moderate
- Amlodipine-benazepril + Sitagliptin Moderate
- Aripiprazole + Sitagliptin Moderate
- Asenapine + Sitagliptin Moderate
- Benazepril + Sitagliptin Moderate
- Captopril-hydrochlorothiazide + Sitagliptin Moderate
Other interactions of Pegvisomant
- Alogliptin-metformin + Pegvisomant Moderate
- Alogliptin-pioglitazone + Pegvisomant Moderate
- Chlorpropamide + Pegvisomant Moderate
- Codeine + Pegvisomant Moderate
- Dapagliflozin-metformin + Pegvisomant Moderate
- Ertugliflozin-sitagliptin + Pegvisomant Moderate
Frequently asked questions
Can I take Pegvisomant with Sitagliptin?
MediHelp rates the interaction as minor. Pegvisomant and Sitagliptin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pegvisomant blocks growth hormone action, lowering IGF-1 and improving insulin sensitivity in acromegaly, which may lower glucose and add to antidiabetic drug effect. Hypoglycemia risk with sitagliptin alone is low, but glucose may fall as acromegaly is controlled.
How serious is the interaction between Pegvisomant and Sitagliptin?
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 after starting pegvisomant and reduce antidiabetic doses if glucose falls.
What other medicines interact with Sitagliptin?
MediHelp also lists interactions of Sitagliptin with, for example, Albiglutide, Amlodipine-benazepril, Aripiprazole. The full list is on the Sitagliptin page.
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