Written by Klarity Editorial Team
Published: Aug 17, 2026

Last updated: August 17, 2026
SGLT2 inhibitors are diabetes pills that make the kidneys dump extra glucose into urine. People search “Jardiance,” “Farxiga,” and “dapagliflozin” for the same decision: a clinician named a once-daily tablet after an A1C, heart failure, or kidney visit, and they want to know what the class actually does. These drugs can lower blood sugar. They are not insulin and they do not treat type 1 diabetes.
This guide covers how SGLT2 inhibitors work, how Jardiance (empagliflozin) and Farxiga (dapagliflozin) differ in everyday use, which side effects need a same-day call, and when a video visit is enough versus when you need labs or the ER. It is educational. It is not a diagnosis or a promise that any specific drug will be prescribed.
Want a licensed clinician to review SGLT2 inhibitor or Jardiance questions? Klarity Health has 2,000+ licensed providers. Many visits happen online. See online prescription options or browse conditions.
SGLT2 stands for sodium-glucose cotransporter-2. That protein sits in the kidney and usually pulls glucose back into the blood. Block it, and more sugar leaves in urine. Blood glucose can fall. Some people also lose a little weight and see a small drop in blood pressure because they lose glucose and water.
The class does not replace food, movement, sleep, or follow-up labs. NIDDK notes some people can control type 2 diabetes with lifestyle alone. Many still need pills or injections, and over time you may need more than one medicine. For the full class map, start with our type 2 diabetes medication guide.
Typical home targets the CDC lists for many adults:
Blood sugar under 70 mg/dL is low. If you are sick and a reading is 240 mg/dL or higher, check ketones. High ketones can signal diabetic ketoacidosis, which is an emergency.
Sources: NIDDK treatments; CDC manage blood sugar.
Jardiance is the U.S. brand name for empagliflozin. MedlinePlus says clinicians use it to:
Take the tablet once a day in the morning, with or without food, at about the same time each day. The drug controls the condition. It does not cure it. Keep taking it even if you feel well unless the prescriber says to stop. Combo tablets exist: Glyxambi (empagliflozin plus linagliptin), Synjardy (empagliflozin plus metformin), and Trijardy (empagliflozin, linagliptin, and metformin).
Mayo Clinic dosing for type 2 diabetes (ages 10 and older): start 10 mg once each morning. The clinician may raise the dose. The usual maximum is 25 mg a day. Heart-failure, cardiovascular-death, and chronic-kidney-disease uses in adults often stay at 10 mg once daily in the morning. Safety and efficacy have not been established under age 10.
Sources: MedlinePlus empagliflozin; Mayo Clinic empagliflozin.
Farxiga is dapagliflozin. Invokana is canagliflozin. All three sit in the same SGLT2 class. They share the urine-glucose mechanism and many of the same infection and dehydration warnings. They are not interchangeable on your own. Kidney function, heart-failure indication, insurance formulary, and other meds decide which name the clinician writes.
People also search “jardiance generic.” Empagliflozin is the generic name. Whether a pharmacy can fill a generic tablet depends on what is on the market and what the plan allows. Ask the prescriber and pharmacist. Do not switch brands or combos without a new script.
If weight is part of the plan, SGLT2 inhibitors may help a modest amount. They are not the same as dedicated weight loss care or GLP-1 programs. Blood pressure and cholesterol still need their own plan. See our guides on high blood pressure medication and cholesterol medication.
Common, often milder effects: more urine, including at night, and more thirst. Drink fluids as the clinician directs. Getting up too fast can cause dizziness when you first start. Sit, rest your feet, then stand.
Call the clinician promptly for:
Stop the drug and get emergency care for rash, hives, trouble breathing or swallowing, or swelling of the face, lips, tongue, or throat.
Ketoacidosis can happen even when blood sugar is under 250 mg/dL. Stop the medicine and get emergency care for nausea, vomiting, stomach-area pain, unusual tiredness, or trouble breathing. Check urine ketones if you can. Illness, surgery, a ketogenic diet, heavy alcohol use, and eating or drinking much less all raise that risk. Clinicians often hold empagliflozin at least 3 days before surgery.
Low blood sugar is more likely if you also take insulin or a sulfonylurea such as glipizide. Carry fast carbs. Do not skip meals.
Urine glucose tests will read positive. That is how the drug works, not a lab error. Tell the lab you take an SGLT2 inhibitor. Do not breastfeed while taking empagliflozin. Second and third trimester use can harm a fetus; call if you become pregnant.
Sources: MedlinePlus empagliflozin; Mayo Clinic empagliflozin.
Metformin is still the usual first oral medicine for many people with type 2 diabetes. If lifestyle plus metformin does not bring glucose into range in about 3 months, clinicians often add a second class. A three-medicine combination can come next (MedlinePlus oral medicines).
In 2022, ADA and EASD recommended newer medicines, including SGLT-2 inhibitors and GLP-1 receptor agonists, as first-line treatment for adults with type 2 diabetes who also have atherosclerotic cardiovascular disease, heart failure, kidney disease, or high ASCVD risk. High ASCVD risk in that CDC summary meant age over 55 plus two or more of: obesity, hypertension, high cholesterol, kidney disease, current smoking. CDC researchers studied 1,330 nonpregnant adults with type 2 diabetes (2017-2020) and estimated 82% of U.S. adults with type 2 diabetes may be eligible for a GLP-1, an SGLT-2, or both. Almost all Medicare beneficiaries with type 2 diabetes may meet those criteria. Only 9% were already on either class in that study window, before first-line approval. Cost remains a barrier (CDC on newer diabetes medicines).
Tell the clinician about kidney disease before you start. Also mention prior amputations, foot ulcers, genital yeast infections, low blood pressure, diuretics, binge drinking, pancreatitis, and any plan for surgery.
A video visit can review an A1C, current meds, side effects, and whether an SGLT2 inhibitor still fits. Many refill and titration questions do not need a clinic lobby. Medicare covers many telehealth services from anywhere in the U.S., including home, through December 31, 2027. After the Part B deductible, you generally pay 20% of the Medicare-approved amount, similar to an in-person visit. Coverage varies by plan. Verify benefits before you book. See how an online doctor visit works.
You still need in-person or urgent care when:
Klarity Health clinicians can discuss whether an SGLT2 inhibitor is appropriate. They do not guarantee a prescription. Prior authorization and copays depend on the plan.
Formulary tier, step therapy, and quantity limits vary. Jardiance and Farxiga often sit on higher brand tiers. A plan may prefer one SGLT2 name over another. Coverage may change at the plan year. Ask:
This is not a promise that any insurer will pay for Jardiance, Farxiga, or another SGLT2 inhibitor. Coverage varies by plan. Confirm benefits before you rely on a fill.
No. Jardiance is empagliflozin. Farxiga is dapagliflozin. Both are SGLT2 inhibitors. They share a mechanism and many warnings. Indications, doses, and plan coverage differ. Do not swap them on your own.
Some people lose a modest amount of weight because they lose glucose and water in urine. The drug is approved for type 2 diabetes, certain heart, and certain kidney uses, not as a standalone weight-loss pill. Lifestyle still matters.
Sometimes, if recent labs, kidney function, and a full med list are available and you have no red-flag symptoms. A clinician may still send you for labs or a foot check first. Klarity Health has 2,000+ licensed providers. Many visits happen online.
Take it when you remember. If it is almost time for the next dose, skip the missed one. Do not double up (MedlinePlus empagliflozin).
SGLT2 inhibitors such as Jardiance and Farxiga send extra glucose out in urine. They can help type 2 diabetes and, in the right person, heart and kidney risk. Yeast infections, UTIs, dehydration, rare serious genital infection, ketoacidosis, and a lower-limb warning are the tradeoffs you need a plan for. A telehealth visit can sort many questions. Emergencies still belong in the ER.
Ready to talk through SGLT2 inhibitors with a licensed clinician? See online prescription options or browse conditions.
Disclaimer: This article is for education only. It is not medical advice, a diagnosis, or a guarantee of insurance coverage or of any specific prescription. Coverage varies by plan. Verify benefits before you book or fill a medication. Talk with a licensed clinician about your own history and labs.
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