Caffeine - Qternmet XR (Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride) Interaction
Herbal: Caffeine
Drug: Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride
Brand names:
Qternmet XR

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride is classified as belonging to the following category: Antidiabetes Drugs
Theoretically, taking caffeine with antidiabetes drugs might interfere with blood glucose control.
Data are conflicting. Reports claim that caffeine might increase or decrease blood sugar.
Interaction Rating
Likelihood of Occurrence
UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
References
- Watson JM, Jenkins EJ, Hamilton P, et al. Influence of caffeine on the frequency and perception of hypoglycemia in free-living patients with type 1 diabetes. Diabetes Care 2000;23:455-9.
- Bell DG, Jacobs I, Ellerington K. Effect of caffeine and ephedrine ingestion on anaerobic exercise performance. Med Sci Sports Exerc 2001;33:1399-403.
- Kühne T, Wallace E, Herzig D, et al. Combined intake of caffeine and low-dose glucose to reduce exercise-related hypoglycaemia in individuals with type 1 diabetes on ultra-long-acting insulin degludec: A randomized, controlled, double-blind, cross-over tr
Interaction Details
Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride is classified as belonging to the following category: Metformin (Glucophage)
Theoretically, metformin might increase the levels and adverse effects of caffeine.
Animal research suggests that metformin can reduce caffeine metabolism. However, this effect has not been reported in humans.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Mohiuddin, M., Azam, A. T., Amran, M. S., and Hossain, M. A. In vive effects of gliclazide and metformin on the plasma concentration of caffeine in healthy rats. Pak.J Biol Sci 5-1-2009;12(9):734-737.
Caffeine - More Interactions
Caffeine interacts with 647 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
Unknown | No interactions have been reported or no interaction data is currently available. |
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Drug descriptions are provided by MedlinePlus.