Drug interactions
Metformin-sitagliptin + Methamphetamine
Severity: Minor
Metformin-sitagliptin and Methamphetamine: 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
Sympathomimetic stimulants like methamphetamine can raise blood glucose through adrenergic effects. They may reduce the effectiveness of antidiabetic therapy, and glucose can fall when the stimulant is stopped.
What this interaction means in plain words
Metformin-sitagliptin and Methamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Metformin-sitagliptin belongs to Endocrine; Methamphetamine belongs to Central Nervous System.
Why it happens
Adrenergic stimulation promotes glycogenolysis and gluconeogenesis, opposing glucose-lowering drugs.
What to do
Monitor blood glucose when starting or stopping methamphetamine and adjust antidiabetic therapy if needed.
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 Metformin-sitagliptin
Other interactions of Methamphetamine
- Isocarboxazid + Methamphetamine Contraindicated
- Linezolid + Methamphetamine Contraindicated
- Methamphetamine + Phenelzine Contraindicated
- Methamphetamine + Procarbazine Contraindicated
- Methamphetamine + Rasagiline Contraindicated
- Methamphetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Metformin-sitagliptin with Methamphetamine?
MediHelp rates the interaction as minor. Metformin-sitagliptin and Methamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sympathomimetic stimulants like methamphetamine can raise blood glucose through adrenergic effects. They may reduce the effectiveness of antidiabetic therapy, and glucose can fall when the stimulant is stopped.
How serious is the interaction between Metformin-sitagliptin and Methamphetamine?
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 starting or stopping methamphetamine and adjust antidiabetic therapy if needed.
What other medicines interact with Metformin-sitagliptin?
MediHelp also lists interactions of Metformin-sitagliptin with, for example, Clozapine, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Metformin-sitagliptin page.
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