Topiramate - Is Nexplanon effective while using Topamax?

Interactions between your drugs
No interactions were found between your selected drugs. This does not necessarily mean no interactions exist. Always consult your health care provider.

Drug and food interactions
Moderate
etonogestrel food
Applies to: Nexplanon (etonogestrel)

Grapefruit juice may increase the blood levels of certain medications such as etonogestrel. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with etonogestrel. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

https://www.drugs.com/interactions-check.php?drug_list=2216-1469,1056-15396