etonogestrel vs topiramate
Side-by-side comparison of etonogestrel 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
Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include: phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St.
Recommendation: You should use a backup method of birth control or talk to your doctor about other options while taking this medication.
Nexplanon
Topamax
Etonogestrel and ethinyl estradiol vaginal ring is a birth control ring. It prevents pregnancy by releasing hormones into your body.
Topiramate is a medicine that can help prevent seizures and migraines. It works by calming the brain.
This vaginal ring is used by women of reproductive age to prevent pregnancy. It contains a combination of estrogen and progestin hormones. These hormones stop you from getting pregnant.
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.
The ring releases etonogestrel and ethinyl estradiol into your body. These hormones prevent ovulation (the release of an egg from the ovary). They also change the lining of your uterus, making it harder for a fertilized egg to implant.
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.
- • Vaginal infection
- • Headache (including migraine)
- • Mood changes (like depression or mood swings)
- • Problems with the ring (like discomfort or it coming out)
- • Nausea or vomiting
- • Tingling or numbness
- • Loss of appetite
- • Weight loss
- • Speech problems
- • Tiredness
- Problem with the product's quality 5,554
- Problem related to the device 5,228
- Device is hard to use 4,562
- Device broke 4,501
- Used the product for the wrong amount of time 3,644
- Headache 6,464
- Feeling sick to your stomach 5,710
- Feeling very tired 5,292
- Pain 4,486
- Migraine headache 4,373
Cigarette smoking increases your risk of serious heart problems from this medicine. This risk is higher if you are over 35 and smoke. If you are over 35 and smoke, you should not use this ring.
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.
Do not use this ring if you are pregnant. Small amounts of the hormones in this ring can pass into breast milk. This medicine may also reduce milk production.
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 etonogestrel vs topiramate Comparison
etonogestrel is classified in the Progestin (Implant) 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, etonogestrel has 23,489 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 this medicine can speed up how your body breaks down birth control, making it less likely to prevent pregnancy.. 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 etonogestrel 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.