amoxicillin vs etonogestrel
Side-by-side comparison of amoxicillin and etonogestrel. 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
The serum concentrations of etonogestrel and ethinyl estradiol were not affected by concomitant administration of oral amoxicillin or doxycycline in standard dosages during 10 days of antibiotic treatment.
Recommendation: You can take these two medications together without needing to adjust your doses or use extra protection.
Amoxil
Nexplanon
Amoxicillin and Clavulanate Potassium is a combination medicine used to fight bacterial infections. It contains amoxicillin, an antibiotic, and clavulanate, which helps the amoxicillin work better.
Etonogestrel and ethinyl estradiol vaginal ring is a birth control ring. It prevents pregnancy by releasing hormones into your body.
This medicine treats infections like lower respiratory infections, ear infections (otitis media), sinus infections, skin infections, and urinary tract infections. It works against specific bacteria that cause these infections. However, it should only be used when tests show the bacteria are susceptible to it, to avoid antibiotic resistance.
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.
Amoxicillin kills bacteria by stopping them from building cell walls. Some bacteria produce a substance called beta-lactamase, which can destroy amoxicillin. Clavulanate blocks beta-lactamase, allowing amoxicillin to effectively kill the bacteria.
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.
- • Diarrhea or loose stools
- • Nausea
- • Skin rashes
- • Hives
- • Vomiting
- • 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
- Long-term kidney disease 4,661
- Sudden kidney damage 4,200
- Diarrhea 4,083
- Allergic reaction to the medicine 3,744
- Feeling sick to your stomach 3,700
- 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
This medicine can cause serious allergic reactions, including fatal ones. Stop taking it and get medical help right away if you have any signs of an allergic reaction. This medicine can also cause severe skin reactions. Tell your doctor if you develop a rash. It can also cause liver problems and severe diarrhea.
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.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if this medicine will harm your unborn baby. Amoxicillin passes into breast milk and may cause harm to a nursing infant. Talk to your doctor before breastfeeding.
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.
How to Read This amoxicillin vs etonogestrel Comparison
amoxicillin is classified in the Penicillin Antibiotic drug class, while etonogestrel sits within the Progestin (Implant) 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, amoxicillin has 20,388 submissions while etonogestrel has 23,489. 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 antibiotic does not change the levels of birth control hormones in your blood.. 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 amoxicillin and etonogestrel - 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.