When a saline breast implant ruptures, the sterile salt water inside leaks out and your breast visibly deflates, usually over a few days. Your body absorbs the saline harmlessly. Unlike silicone implant ruptures, which can go undetected for years, a saline rupture is obvious almost immediately because the change in breast size and shape is hard to miss.
How Deflation Happens
A saline implant can fail in two ways: a tear or cut in the outer silicone shell, or a leak in the fill valve. Either way, the salt water escapes quickly. Most people notice their breast looking noticeably smaller or flatter within a few days. The saline itself is the same concentration as the fluids already in your body, so it gets absorbed into your tissues and eventually processed out. There’s no chemical or toxicity risk from the leaked fluid.
The deflation can be dramatic or gradual depending on the size of the tear. A large rupture may cause the breast to lose most of its volume overnight. A small valve leak might produce a slower, subtler change over a week or two. Either way, the asymmetry between your breasts makes the problem clear without any imaging.
How Common Ruptures Are
About 10% to 15% of breast implants rupture within 10 to 15 years. The risk increases as implants age. Physical trauma, compression during a mammogram, or simple wear on the shell over time can all contribute. Implants don’t have an official expiration date, but they aren’t considered lifetime devices, and the longer you have them, the more likely a rupture becomes.
The Infection Risk Most People Don’t Know About
The saline itself is harmless, but the implant shell that stays behind isn’t always sterile inside. Research has shown that saline implants and tissue expanders provide a more favorable environment for fungal growth compared to silicone implants. The most common fungal species found in implant infections are Candida and Aspergillus, though Penicillium species have also been documented.
One theory is that implant membranes may be semipermeable to fungal spores, meaning infections from surrounding tissue or the bloodstream can cross into the implant even without a visible tear. Bacteria can also form a biofilm on the implant surface, creating a low-grade infection that triggers inflammatory symptoms throughout the body. The bacterium most commonly cultured in these cases is Propionibacterium acnes, a microbe that normally lives on skin.
This doesn’t mean every ruptured implant gets infected. But a deflated shell left in place for an extended period carries more risk than the saline leak itself, which is one reason surgeons recommend removal promptly.
What Happens During Removal or Replacement
Once a saline implant ruptures, the empty shell should be surgically removed. This is a relatively straightforward procedure compared to removing a ruptured silicone implant, where the surgeon may need to chase leaked gel through surrounding tissue. With saline, the body has already absorbed the fluid, so the surgeon is primarily removing the collapsed shell.
You’ll have the option to replace the implant at the same time, with either a new saline or silicone implant. If there’s significant scar tissue (capsular contracture) around the old implant, the surgeon may also remove the fibrous capsule that your body formed around it. In most cases, this is a single surgery. Recovery is similar to the original augmentation, though typically faster since the tissue pocket already exists.
If you decide not to replace the implant, the surgeon removes the shell and, if needed, the capsule. Some people choose to have both implants removed at this point, while others replace only the ruptured side.
Warranty Coverage for Ruptures
Major implant manufacturers offer lifetime warranties against rupture. Mentor, one of the largest brands, provides up to two free replacement implants of the same or similar style for the patient’s lifetime. If the rupture happens within the first 10 years, the manufacturer may also offer financial assistance for surgical costs that insurance doesn’t cover. Other complications within that 10-year window can also qualify for free product replacement.
Check your implant card or surgical records for your specific manufacturer and model, since warranty terms vary. The warranty typically covers the implants themselves, not the full cost of surgery.
Insurance and Out-of-Pocket Costs
Insurance coverage for removing a ruptured saline implant depends heavily on why you had the implant in the first place. If your implants were part of breast reconstruction after a mastectomy or lumpectomy, removal is generally considered medically necessary and covered regardless of the reason.
If your implants were purely cosmetic, coverage gets more complicated. Many insurers, including Cigna, do not consider a ruptured saline implant alone to be a medically necessary reason for removal. To qualify for coverage, you typically need an additional complication: a persistent infection that doesn’t respond to antibiotics, severe capsular contracture, tissue death around the implant, or interference with breast cancer diagnosis or treatment. A straightforward deflation without symptoms beyond the cosmetic change may be classified as elective.
This means that if you had cosmetic augmentation, you could be responsible for the full surgical cost of removal and replacement. Fees vary widely by region and surgeon but generally range from a few thousand dollars for simple removal to significantly more for replacement with new implants, capsule removal, or breast lift procedures done at the same time.
How Rupture Is Confirmed
For saline implants, diagnosis is usually visual. If your breast has clearly deflated, that’s confirmation enough for most surgeons to schedule removal. Imaging is rarely needed. This is a major practical advantage over silicone implants, where MRI is considered the gold standard for detecting ruptures that may not produce visible changes.
In ambiguous cases where the deflation is subtle, ultrasound can evaluate the implant’s shape and contents. A healthy implant appears as a smooth, fluid-filled structure on ultrasound, while a compromised one shows irregularities. MRI offers the highest resolution for evaluating both the implant and surrounding tissue, but it’s rarely necessary for a clearly deflated saline implant.