Indapamide | Health Notes at WWSM | Health Information at WWSM

Indapamide

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Also indexed as: Apo-Indapamide, Gen-Indapamide, Lozide, Lozol, Natramid, Natrilix, Natrilix SR, Nindaxa 2.5, Novo-Indapamide, Nu-Indapamide, Opumide

Indapamide is a thiazide-like diuretic used, either alone or in combination with other drugs, to treat high blood pressure and to prevent salt and fluid retention associated with heart failure. Indapamide may interact with nutrients and herbs in ways similar to interactions described for thiazide diuretics, such as hydrochlorothiazide. However, research has not investigated these interactions specifically for indapamide.

Summary of Interactions with Vitamins, Herbs, and Foods
In some cases, a herb or supplement may appear in more than one category, which may seem contradictory. For clarification, read the full article for details about the summarized interactions.

May Be Beneficial: Depletion or interference—The medication may deplete or interfere with the absorption or function of the nutrient. Taking these nutrients may help replenish them.	Calcium Sodium Vitamin D*
May Be Beneficial: Supportive interaction—Taking these supplements may support or otherwise help your medication work better.	Potassium
Check: Other—Before taking any of these supplements or eating any of these foods with your medication, read this article in full for details.	Lithium
Side effect reduction/prevention	None known
Reduced drug absorption/bioavailability	None known
Adverse interaction	None known

An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.

Interactions with Dietary Supplements

Potassium and sodium
Taking indapamide may result in sodium and potassium loss, which may cause dry mouth, thirst, fatigue, drowsiness, or muscle cramps.¹ Doctors may suggest supplements or foods high in potassium to prevent unwanted side effects.

Calcium
Slight increases in blood calcium levels may occur in people taking indapamide, which could be aggravated by calcium supplementation.² Therefore, people taking both calcium supplements and indapamide should have their blood calcium levels monitored by their doctor, and it may be necessary to avoid calcium supplementation.

Lithium
Lithium is a mineral that may be present in some supplements and is also used in large amounts to treat mood disorders such as bipolar disorder. Taking indapamide may elevate blood levels of lithium, resulting in unwanted side effects such as diarrhoea, nausea, and drowsiness.³ It is unknown whether people taking small amounts of supplemental lithium will experience adverse reactions.

Vitamin D
Thiazide diuretics enhance the actions of vitamin D;⁴ however, it is unknown whether indapamide has the same effect. Until more is known, people taking indapamide should supplement vitamin D only under the supervision of a health practitioner.

References
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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or chemist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires September 2008.

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Interactions with Dietary Supplements