Compare Lasix vs. chlorthalidone

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Lasix
(furosemide)

Thalitone
(chlorthalidone)

Lowers blood pressure. Removes extra water from your body. Lasix (Furosemide) is a very effective water pill and it'll certainly make you go to the bathroom more often.Lowers blood pressure. Removes extra water from your body. Thalitone (chlorthalidone) is a well-tolerated water pill that's increasingly used to treat high blood pressure.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.06Lasix
Reviews for Lasix
67%
of people (All ages) say Lasix is worth it
47%
say it works well
16%
say it's a big hassle
371 reviews
Have you used Lasix (furosemide)?
Worth itNot sureNot worth it

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Have you used Thalitone (chlorthalidone)?
Worth itNot sureNot worth it
Side effects
Lasixchlorthalidone

The Lasix FDA package insert doesn’t have numbers about how common side effects are.

More about Lasix side effects »

The chlorthalidone FDA package insert doesn’t have numbers about how common side effects are.

More about chlorthalidone side effects »
How it works
Lasixchlorthalidone
Lasix (Furosemide) is a loop diuretic (water pill). It works in the kidneys to make you urinate more, which removes extra water and certain electrolytes. This lowers blood pressure and swelling.Thalitone (chlorthalidone) is a thiazide-like diuretic (water pill) that makes you urinate more. It works in the kidneys to remove extra water and certain electrolytes, while lowering blood pressure and reducing swelling.
Type of medication
Lasixchlorthalidone
Prescription onlyPrescription only
Available as
Lasixchlorthalidone
  • Pill
  • Liquid
  • Pill
Used for
Lasixchlorthalidone
Risk factors for serious side effects
Lasixchlorthalidone
  • Current electrolyte imbalance
  • History of sulfa allergies
  • Current kidney problems
  • Dose too high
  • Low blood protein
Detailed Lasix (furosemide) risks & warnings »
  • History of gout
  • History of diabetes
  • History of kidney disease
  • History of acute kidney failure
  • History of azotemia
Detailed Thalitone (chlorthalidone) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

Kidneys and liver
Lasixchlorthalidone
  • Requires routine blood tests to check kidney function.
  • Thalitone (chlorthalidone) works on the kidneys to help increase the amount of fluids removed from the body. This also causes a loss of electrolytes. Your doctor will perform routine blood tests to monitor your electrolyte levels.
  • Thalitone (chlorthalidone) can increase the kidney's retention of uric acid, which can increase your risk of gouty attacks. Let your doctor know if you have a history of gout.
  • Thalitone (chlorthalidone) works on the kidneys. For people with a history of kidney problems, this can put more pressure on your kidneys and make it harder for them to work. Let your doctor know if you have a history of kidney disease.
  • Requires routine blood tests to check your kidney function.
Upsides and benefits
Lasixchlorthalidone
  • A strong diuretic (water pill) that works well to get rid of extra fluids in your body through urination.
  • Lowers your blood pressure and your risk of heart attack and stroke.
  • Works better than thiazide diuretics (like Hydrochlorothiazide) at removing harmful levels of certain electrolytes, such as potassium.
  • Okay to take if you have kidney problems.
  • Does a good job getting rid of extra fluids in your body by making you urinate more.
  • A good blood pressure treatment for people who haven't responded well to other thiazide diuretics. Works especially well for people of African descent.
  • Lowers the risk of heart attack and stroke.
  • Good option if you have high blood pressure and heart failure.
  • Can be good for patients with osteoporosis since it raises the body's level of calcium.
Downsides and risks
Lasixchlorthalidone
  • Makes you urinate very frequently.
  • Can cause low levels of important electrolytes, such as potassium.
  • Makes you urinate more often.
  • Doesn't work well in people with severe kidney problems.
  • Since Thalitone (chlorthalidone) works longer in the body than other thiazide diuretics, it has a higher chance of causing electrolyte changes.
  • Thalitone (chlorthalidone) can lead to more gouty attacks in people with gout.
  • Don't use this if you have a sulfa allergy.
Tips from our pharmacists for people taking the medication
Lasixchlorthalidone
  • Starts working in 30 minutes.
  • Makes you urinate more often, so avoid taking it at bedtime.
  • Can cause dizziness in the first few days.
  • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
  • Tell your doctor about any dizziness, fatigue, or muscle weakness that doesn't go away.
  • Requires routine blood tests to check kidney function.
  • Take Thalitone (chlorthalidone) in the morning with a meal. It starts working in two hours, so don't take it at night; otherwise you'll go to the bathroom more overnight.
  • Can cause dizziness in the first few days.
  • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
  • Tell your doctor about any dizziness, tiredness, or muscle weakness that doesn't go away.
  • Requires routine blood tests to check your kidney function.
  • Your skin will be more sensitive to the sun while taking this, so don't forget to use sunscreen.
Learn more
More about LasixSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lasix (furosemide)?
Worth itNot sureNot worth it
More about chlorthalidoneSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Thalitone (chlorthalidone)?
Worth itNot sureNot worth it