Quinine/Aluminum and Magnesium Antacids Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Taking quinine with an antacid may prevent your body from absorbing quinine.Some vitamins may contain "hidden" antacids such as some forms of magnesium.
What might happen:
Your blood level of quinine may decrease and it may not work as well.
What you should do about this interaction:
Let your healthcare professional (e.g. doctor or pharmacist) know that you are taking these medicines together.If you are taking quinine, talk to your healthcare professional about alternatives to your antacid.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
- 1.Qualaquin (quinine sulfate) US prescribing information. Sun Pharmaceutical Industries, Inc. August, 2019.
- 2.Hurwitz A. The effects of antacids on gastrointestinal drug absorption. II. Effect on sulfadiazine and quinine. J Pharmacol Exp Ther 1971 Dec; 179(3):485-9.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.