Furosemide

Brand Name of Furosemde: Lasix

What is Furosemide?

  • Furosemide is a commonly prescribed medication for managing fluid buildup linked to heart failure, liver disease, or kidney disorders. It can also be used to control high blood pressure.

  • It falls under the category of loop diuretics, often known as 'water tablets.'

How Does it Work and Why is it Important to Take?

  • Furosemide helps your kidneys remove excess salt and water, reducing swelling and lowering blood pressure.

  • This is crucial for managing conditions like fluid buildup and high blood pressure, making it easier for your heart to function and ensuring overall well-being.

The Dose of The Medication

  • Typically, take 20-40mg a day based on your specific needs and age.

  • Your clinician may adjust the dose depending on your response, with a maximum of 80-120mg a day.

How and When to Take It

  • If prescribed once a day, take it in the morning to prevent nighttime urination.

  • For a twice-daily regimen, take it in the morning and at lunchtime. Avoid taking it later in the day, especially after 4 pm.

What to Expect

  • The full effects of Furosemide may take a few weeks to become noticeable in managing fluid buildup or blood pressure.

  • Furosemide can start working within an hour, leading to increased urination in the first half-hour and again within a few hours.

What to Do if You Miss a Dose

  • If you miss a dose, take it when you remember, unless it's after 4 pm. In that case, skip the dose and resume your usual schedule. Avoid doubling up on doses.

Possible Side Effects

  • Increased urination (thats how it works)

  • Dizziness

  • Feeling thirsty

  • Dry mouth

  • Headaches

  • Nausea and vomiting

Management of Side Effects

  • Click here for common side effects and how to manage them.

  • Stay hydrated by ensuring you drink enough water. Consult your GP clinician for guidance on proper hydration.

  • If experiencing severe, persistent, or bothersome side effects, contact your GP clinician, local pharmacy, or NHS 111.

Common Interactions

  • Inform your clinician about all medications, including over-the-counter and herbal supplements.

  • Avoid over-the-counter ibuprofen unless advised by a clinician.

  • Be cautious with over-the-counter medications or supplements containing high sodium; check with your local pharmacy before purchase.

Special Warnings

  • Monitor salt intake; the general recommendation is 6g a day. Consult your GP clinician for personalized advice.

  • Consider abstaining from alcohol when starting Furosemide until you understand its effects on you.

  • Joint pain may indicate gout; consult your GP clinician.

  • Dehydration can affect kidney function; if you experience vomiting or diarrhea, follow 'Sick Day Rules' here.

Monitoring Your Progress

  • Regular check-ups with your GP clinician are essential to monitor your kidney function, electrolyte levels and overall health

Where to Find More Information and Who to Contact

  • Refer to the patient information leaflet and the NHS website for more details.

  • If you have questions or experience unusual symptoms, contact your GP clinician, local pharmacy, or NHS 111.