Diuretics

What are diuretics and how do the main types differ?

Diuretics are a family of medicines that increase urine production to help manage fluid balance. They may be prescribed for conditions involving fluid retention, and some types are also used in blood-pressure management. Established groups include loop diuretics, thiazide and thiazide-like diuretics, and potassium-sparing diuretics. These groups differ in their usual clinical roles, effects on electrolytes and monitoring needs, so medicines from different groups should not be treated as interchangeable.

What should be considered when choosing within this medicine class?

The intended clinical purpose is central to selection. A prescriber may consider the reason for treatment, kidney function, other medicines, electrolyte monitoring and whether a shorter- or longer-acting approach is appropriate. Loop diuretics are a long-established group often used where a stronger diuretic effect is needed, while other diuretic classes may be selected for different treatment goals. The right medicine and strength should be decided with a qualified prescriber.

What is the position for diuretics in the United Kingdom?

Furosemide is a prescription-only medicine in the United Kingdom. Prescription status applies to the active ingredient and should not be assumed to be identical across all diuretic classes or individual products. The current UK marketing authorisation for the named Lasix 40 mg and 100 mg tablet presentations is not established here, so this should not be inferred from the brand name alone.

Which diuretic option do we list?

We list Lasix, containing furosemide, a loop diuretic, in tablet form. Confirmed strengths are 40 mg and 100 mg. Each strength is offered in packs of 10, 20, 30, 60, 90, 120, 180, 270 or 360 tablets. Prices for the 40 mg option run from £45.93 to £103.71, while the 100 mg option runs from £46.67 to £144.46. The lowest listed unit price is £0.29 per tablet for the 360-tablet 40 mg option.

How do delivery and after-arrival storage work?

We can dispatch orders to the United Kingdom by Express delivery in 4-7 days for £22.22 or Standard delivery in 14-21 days for £11.10. Free shipping is available when an order reaches the applicable threshold shown at checkout. We package orders carefully for routine postal delivery and recommend collecting them promptly after arrival. Keep the container tightly closed, protect it from light and follow the labelled storage instructions: store at 20°C to 25°C, with excursions permitted from 15°C to 30°C.

Which payment methods can I use?

We accept Visa, Mastercard, American Express, JCB, Bitcoin and USDT. Checkout confirms the available payment and delivery choices for your order.