Are there effective over-the-counter diuretics, and when is prescription treatment required in Europe?

Over-the-counter diuretics explained: water retention, herbal “water pills,” electrolyte risks, and medical assessment.

In this episode, we clarify what products are sold as OTC diuretics in the EU and how they differ from prescription diuretics used for hypertension, heart failure, or kidney disease.

You’ll learn:

• What diuretics do (increase urine output)

• Common OTC ingredients such as caffeine, dandelion, or herbal blends

• The limited clinical evidence for many herbal water pills

• Risks of dehydration and electrolyte imbalance

• Why prescription diuretics (e.g., thiazides, loop diuretics) require monitoring

• When swelling may signal heart, kidney, or liver ...