metformin/pioglitazone vs topiramate
According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.
Side-by-side comparison of metformin/pioglitazone 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
( 7.6 ) Topiramate may decrease pioglitazone concentrations. 7.3 Carbonic Anhydrase Inhibitors 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. 7.8 Topiramate A decrease in the exposure of pioglitazone and its active metabolites were noted with concomitant administration of pioglitazone and topiramate [see Clinical Pharmacology (12.3) ] .
Actoplus Met
Topamax
Actoplus Met is a drug that combines two medicines to help control blood sugar in adults with type 2 diabetes. It should be used with diet and exercise.
Topiramate is a medicine that can help prevent seizures and migraines. It works by calming the brain.
Actoplus Met helps lower blood sugar in adults who have type 2 diabetes. You should also follow a diet and exercise plan while taking this medicine. Actoplus Met is not for people with type 1 diabetes or diabetic ketoacidosis.
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.
Actoplus Met contains pioglitazone and metformin. Pioglitazone makes your body more sensitive to insulin. Metformin reduces the amount of sugar your liver releases into your blood.
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.
- • Upper respiratory infection
- • Swelling
- • Diarrhea
- • Headache
- • Weight gain
- • 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 kidney damage 16,440
- Headache 6,464
- Nausea 5,710
- Fatigue 5,293
- Pain 4,485
- Migraine 4,373
Actoplus Met can cause or worsen heart failure in some people. Watch for signs like rapid weight gain, shortness of breath, and swelling. This medicine can also cause a rare but serious condition called lactic acidosis. Get medical help right away if you have symptoms like feeling very weak, muscle pain, trouble breathing, or stomach pain.
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.
Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if Actoplus Met will harm your unborn baby. Talk to your doctor if you are breastfeeding or plan to breastfeed.
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.
Also Compare, Nearby Drugs
Compare topiramate with
How to Read This metformin/pioglitazone vs topiramate Comparison
metformin/pioglitazone is classified in the Biguanide / TZD 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/pioglitazone 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 levels of pioglitazone in your body, which might make it work less effectively. it can also cause a change in your blood's acid levels.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for metformin/pioglitazone or topiramate.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.