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Does Norethindrone And Ethinyl Estradiol Interact with Ampicillin?

Norethindrone And Ethinyl Estradiol and Ampicillin have a moderate drug interaction according to U.S. FDA drug labeling data. Possibly associated with reduced contraceptive efficacy and breakthrough bleeding. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Moderate
Norethindrone And Ethinyl Estradiol Class
Estrogen
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Norethindrone And Ethinyl Estradiol and your doctor is considering prescribing Ampicillin (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Norethindrone And Ethinyl Estradiol(Wymzya Fe)+💊 Ampicillin(Polyflex)

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Estrogen
Drug B class
—
Source
NLP:norethindrone and ethinyl estradiol

What this means in plain English

Possibly associated with reduced contraceptive efficacy and breakthrough bleeding.

About Norethindrone And Ethinyl Estradiol and Ampicillin

Norethindrone And Ethinyl Estradiol is an Estrogen. You may recognize them by the brand names Wymzya Fe and Polyflex. Both medications are taken by mouth. Both Norethindrone And Ethinyl Estradiol and Ampicillin carry an FDA boxed warning — the agency's most serious safety designation.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.