metformin/empagliflozin vs topiramate
Side-by-side comparison of metformin/empagliflozin and topiramate. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Table 4 Clinically Relevant Interactions with SYNJARDY or SYNJARDY XR Carbonic Anhydrase Inhibitors Clinical Impact Topiramate or other carbonic anhydrase inhibitors (e.g., zonisamide, acetazolamide or dichlorphenamide) frequently causes a decrease in serum bicarbonate and induce non-anion gap, hyperchloremic metabolic acidosis.
Recommendation: Your healthcare provider should monitor your blood acid levels and kidney function while you are taking these medications.
Synjardy
Topamax
Synjardy is a drug that combines empagliflozin and metformin. It helps lower blood sugar in people with type 2 diabetes, along with diet and exercise.
Topiramate is a medicine that can help prevent seizures and migraines. It works by calming the brain.
Synjardy is used to treat type 2 diabetes in adults and children 10 years and older. It helps control blood sugar levels when used with diet and exercise. Empagliflozin, one of the drugs in Synjardy, can also lower the risk of heart-related death in adults with heart disease. It can also lower the risk of heart failure and kidney problems in adults with heart failure or chronic kidney disease.
Topiramate can be used alone or with other medicines to treat certain types of seizures in people 2 years and older. These seizures include partial-onset seizures and primary generalized tonic-clonic seizures. It also treats seizures related to Lennox-Gastaut syndrome. Topiramate can also help prevent migraine headaches in people 12 years and older.
Synjardy contains two medicines that work in different ways. Empagliflozin helps your kidneys remove sugar from your blood through urine. Metformin lowers the amount of sugar your liver makes and helps your body use insulin better.
Topiramate works by reducing the excitability of brain cells. It also increases the activity of a brain chemical called GABA. These actions help to prevent seizures and migraines.
- • Urinary tract infections
- • Yeast infections of the vagina
- • Diarrhea
- • Nausea
- • Vomiting
- • Tingling or numbness
- • Loss of appetite
- • Weight loss
- • Speech problems
- • Tiredness
- Feeling sick to your stomach 21,946
- Loose or watery stools 21,887
- High blood sugar 18,329
- Feeling tired 17,252
- Sudden damage to the kidneys 16,440
- Headache 6,464
- Feeling sick to your stomach 5,710
- Feeling very tired 5,292
- Pain 4,486
- Migraine headache 4,373
Metformin can cause a serious side effect called lactic acidosis. This is a buildup of lactic acid in your blood. It can be life-threatening. Get medical help right away if you have symptoms like feeling very weak, muscle pain, trouble breathing, stomach pain, dizziness, or a slow or irregular heartbeat.
Topiramate can cause serious side effects. It can cause vision problems, including sudden nearsightedness and glaucoma. It can decrease sweating and increase body temperature, especially in children. It can cause metabolic acidosis (too much acid in the blood). It may increase the risk of suicidal thoughts or actions. It can affect thinking and coordination. It can harm an unborn baby. It can decrease bone mineral density. It can slow growth in children. It can cause serious skin reactions. It can cause kidney stones. If you experience any of these, contact your doctor immediately.
Synjardy may harm your unborn baby, especially during the second and third trimesters. Talk to your doctor if you are pregnant or plan to become pregnant. It is not recommended to breastfeed while taking Synjardy.
Topiramate can harm your unborn baby. It may cause birth defects like cleft lip or cleft palate. It can also cause the baby to be smaller than normal. If you are pregnant or plan to become pregnant, talk to your doctor about the risks and benefits of taking topiramate.
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How to Read This metformin/empagliflozin vs topiramate Comparison
metformin/empagliflozin is classified in the Biguanide / SGLT2 Combination drug class, while topiramate sits within the Anticonvulsant class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, metformin/empagliflozin has 95,854 submissions while topiramate has 26,325. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to topiramate can lower the amount of bicarbonate in your blood and make it more acidic, which increases the risk of a dangerous condition.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between metformin/empagliflozin and topiramate - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.