Soreness at the Nexplanon insertion site typically lasts a few days, with bruising fading over one to two weeks. The insertion itself is done under local anesthetic, so you won’t feel much during the procedure. Once that numbness wears off (usually within two to three hours), you can expect tenderness, mild swelling, and some bruising on your inner arm.
The First 24 Hours
Right after insertion, your arm will have two layers of bandaging: a small adhesive strip directly over the insertion point, and a pressure bandage wrapped around your upper arm. The pressure bandage helps limit swelling and bruising. Keep it on for 24 hours. After that, you can remove the outer wrap but leave the adhesive strip in place for three to five days.
As the local anesthetic fades over the first two to three hours, you’ll start to feel soreness at the site. This is the peak discomfort period for most people. An ice pack on the area and an over-the-counter pain reliever like acetaminophen or ibuprofen are usually enough to manage it.
Days 2 Through 7
Tenderness gradually decreases over the first few days. Bruising is normal and sometimes looks worse before it looks better, spreading slightly or shifting color from purple to yellow-green as it heals. Most bruising clears within a few days to two weeks, depending on how easily you bruise in general.
In clinical trials, pain was the most common insertion-site complaint, but it still only affected about 1 to 3% of participants at a level worth reporting. Swelling and redness were each reported by less than 1% of people. So while some discomfort is expected, significant pain beyond the first few days is uncommon.
Numbness and Tingling
Some people notice brief numbness or tingling near the insertion site beyond just the anesthetic wearing off. In most cases, this comes from minor tissue swelling pressing on nearby nerves and resolves on its own. Nerve-related complications like shooting pain, burning, or persistent tingling occur in fewer than 1% of insertions. In reported cases where nerve irritation did happen, symptoms typically resolved within about two weeks with over-the-counter anti-inflammatory medication.
What Helps With Recovery
A few simple steps can minimize discomfort in the first week:
- Ice the area in 15- to 20-minute intervals during the first day or two to reduce swelling.
- Keep the adhesive strip on for three to five days. Removing it too early can reopen the small wound.
- Avoid heavy lifting or intense upper-body exercise with that arm for the first 24 to 48 hours. Light use of your arm is fine.
- Take over-the-counter pain relief as needed. Acetaminophen and ibuprofen both work well for this type of soreness.
Signs Something Isn’t Right
Normal healing involves tenderness that gets a little better each day and bruising that gradually fades. A few things fall outside that pattern and are worth getting checked: redness that spreads rather than shrinks after the first couple of days, increasing pain instead of decreasing pain, warmth or pus at the insertion site, or fever. These could point to an infection, which is rare but treatable. Persistent shooting or burning pain down your forearm or into your fingers, especially if it follows a clear line along one side of your hand, could indicate nerve irritation and is worth mentioning to your provider, even though most cases resolve without lasting effects.