Home SGLT2 Inhibitors Farxiga Farxiga vs. Jardiance

Farxiga vs. Jardiance: A Comprehensive Side-by-Side Comparison

Farxiga and Jardiance are two medications that are used to treat Type 2 diabetes. They both belong to a class of drugs known as sodium-glucose cotransporter-2, or SGLT2 inhibitors, which prevent the kidneys from reabsorbing glucose and releasing it into the blood. 

Last Modified: March 28, 2024
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Farxiga vs. Jardiance: An Overview

The main difference between these two sodium-glucose cotransporter-2 inhibitors is that the active ingredient in Farxiga is dapagliflozin, while the active ingredient in Jardiance is empagliflozin. While both of these medications are effective at lowering blood sugar levels, there are some differences in active ingredients, secondary uses and potential side effects.

Pros and Cons

ClassSGLT2 inhibitorSGLT2 inhibitor
Active ingredientDapagliflozinEmpagliflozin
ManufacturerAstraZenecaBoehringer Ingelheim
Dosage5-10 mg10-25 mg
Cost without insurance$17.88 per pill$18.56 per pill
Primary functionTreats Type 2 diabetesTreats Type 2 diabetes
Secondary function(s)
  • Treats symptomatic chronic heart failure
  • Treats chronic kidney disease
  • Treats symptomatic chronic heart failure
  • Can lower blood sugar levels in people with Type 2 diabetes
  • FDA-approved heart failure benefit: reduces risk of hospitalization from heart failure
  • Evidence of kidney benefit
  • Can lower blood sugar levels in people with Type 2 diabetes
  • FDA-approved cardiovascular benefit: reduces risk of cardiovascular death
  • Evidence for heart failure benefit: reduces risk of hospitalization from heart failure
  • Evidence of kidney benefit
  • More reported side effects compared to Jardiance
  • Generally more expensive than Farxiga

Active Ingredients

While both Farxiga and Jardiance are classified as SGLT2 inhibitors, they differ in active ingredients. The active ingredient in Farxiga is dapagliflozin, while the active ingredient in Jardiance is empagliflozin. Although they are both effective in managing Type 2 diabetes, there are a few differences in their uses.

Overview of Farxiga

Dosage and Uses

Farxiga comes in 5 mg and 10 mg pills, while Jardiance comes in 10 mg and 25 mg pills. The dosage for each medication depends on the condition it is meant to treat. Specific dosing information is as follows.

Treating Type 2 Diabetes

When taking Farxiga for Type 2 diabetes, it is recommended that adults start with 5 mg per day, with further increases as recommended. The dosage for children using this medication must be determined by a doctor.

When taking Jardiance for Type 2 diabetes, it is recommended that adults start with 10 mg per day, with further increases as recommended.

Lowering the Risk of Heart Failure

Both medications can be prescribed to lower the risk of heart failure in individuals with or without Type 2 diabetes.

When taking Farxiga to lower the risk of heart failure, 10 mg per day is the recommended dose.

When taking Jardiance to lower the risk of heart failure, 10 mg per day is also the recommended starting point, with an optional increase to 25 mg if approved by a doctor.

Lowering the Risk of Kidney Disease

Farxiga is also approved to help treat kidney disease and to lower the risk of heart failure in those with chronic kidney disease. When taking Farxiga for this purpose, 10 mg per day is the recommended dose.

Overview of Jardiance

Side Effects Comparison

Below are a few notable side effects found with both Farxiga and Jardiance. It is important to note that this is not a complete list, and you should consult with your doctor for more information.

  • Back pain
  • Bladder pain
  • Dizziness
  • Dysuria
  • Fast heartbeat
  • Headache
  • Hypoglycemia
  • Nausea
  • Rash
  • Urinary tract infection
  • Back pain
  • Bladder pain
  • Constipation
  • Hypoglycemia
  • Rash
  • Urinary tract infection
  • Reduced fluid in blood (volume depletion)
Less common
  • Constipation
  • Cough
  • Dehydration
  • Dry mouth
  • Volume depletion
  • Angioedema
  • Diabetic ketoacidosis
  • Dysuria
  • Fast heartbeat
  • Loss of voice
  • Urticaria
  • Fournier’s gangrene
  • Tubulointerstitial nephritis

Farxiga and Jardiance have similar side effects. However, there are a few key distinctions.

Farxiga has the potential for more side effects overall than Jardiance, and this is likely due to the active ingredients. Since Farxiga is approved to treat chronic heart failure and kidney disease in addition to Type 2 diabetes, the expanded efficacy may explain the additional side effects.

Additionally, Jardiance’s side effects primarily deal with the bladder or urinary tract. This is different from Farxiga, which has those same adverse reactions in addition to side effects dealing with the cardiovascular system.

Major Interactions

Below is an overview of the interactions users should be aware of before taking these medications.



Taking both empagliflozin and diuretics can increase the frequency and duration of urination, which can lead to volume depletion.

Monitor volume depletion consistently if you’re taking or plan to take empagliflozin.

Drug(s) affected




The risk of hypoglycemia is greatly increased when an individual is using both insulin and Farxiga/Jardiance. 

If both insulin and Farxiga/Jardiance use is needed, plan to monitor blood sugar levels frequently; lower doses of insulin may be needed to prevent low blood sugars.

Drug(s) affected

Farxiga, Jardiance



Taking an SGLT2 inhibitor while also taking lithium can alter lithium concentrations in the body.

If both SGLT2 inhibitor and lithium use are needed, plan to monitor lithium levels more frequently than normal. 

Drug(s) affected

Farxiga, Jardiance

Urine Glucose Test


The use of SGLT2 inhibitors can cause excess glucose excretions in the urine, which could result in positive urine glucose tests.

If you monitor glucose levels with urine tests, find other methods if you take or plan to take SGLT2 inhibitors. 

Drug(s) affected

Farxiga, Jardiance

1,5-anhydroglucitol (1,5-AG) Assay


1,5-AG readings are unreliable when using an SGLT2 inhibitor.

If you monitor glucose levels with 1,5-AG, find other methods if you take or plan to take SGLT2 inhibitors. 

Drug(s) affected

Farxiga, Jardiance

It’s important to be aware of these interactions when starting new medications. If you have doubts about any interactions with Farxiga or Jardiance, consult your doctor.

Warnings of Farxiga and Jardiance

Next, we will examine some of the warnings associated with Farxiga and Jardiance. This is not an exhaustive list, but a high-level overview of some of the top warnings. For a comprehensive list of warnings for either drug, consult your doctor.

Renal Impairment

When treating Type 2 diabetes, it’s important to regularly check kidney function when using either Farxiga or Jardiance. In patients with an estimated glomerular filtration rate (eGFR) < 30ml, use of these medications is either limited or not recommended. Additionally, Jardiance should not be used in patients who are on dialysis.


Rare cases of ketoacidosis have been reported in individuals who are using Farxiga or Jardiance. It is recommended that individuals who experience nausea, vomiting, difficulty breathing or unusual exhaustion while on either medication should be tested for ketoacidosis immediately.

Volume Depletion

Fluid and sodium loss from blood volume, also known as volume depletion, can occur with the use of either Farxiga or Jardiance. This may include a drop in blood pressure or dehydration. If volume depletion is detected, individuals should discontinue use of these medications until the symptoms have been corrected.


Elderly individuals are more at risk for volume depletion and renal impairment. Therefore, these patients should be monitored carefully when using either of these medications.


It is advisable to withhold the use of Farxiga or Jardiance as soon as pregnancy is detected. While human trials have not been conducted, animal studies have found these medications to cause adverse effects during the second and third trimester of pregnancy.

When to Talk to Your Doctor

If you are interested in either Farxiga or Jardiance, the next step is to talk to your doctor. Although these medications are similar, you may have specific risk factors or preexisting conditions that make one or the other more suitable for you. Always consult with a medical professional before starting new medications.


Finally, we will detail a few frequently asked questions about Farxiga and Jardiance.

Can You Take Farxiga and Jardiance Together?

It is not recommended to take Farxiga and Jardiance together. While these drugs have not been found to adversely react with each other, it is advised to only take one of these medications at a time. 

Is Farxiga or Jardiance Cheaper?

Farxiga is slightly less expensive than Jardiance. Without insurance, the average cost per pill of Farxiga is $17.88, while the average cost per pill of Jardiance is $18.56.

Which Is Better: Farxiga or Jardiance?

The efficacy of Farxiga or Jardiance depends on individual circumstances. While these medications are similar, one may be better for an individual with certain preexisting health conditions. Therefore, it’s important to consult a doctor to determine which medication is right for you.

Please seek the advice of a medical professional before making health care decisions.