What should I do if I accidentally left a tampon in for 24 hours?

What to Do If You Left a Tampon In for 24 Hours

Accidentally leaving a tampon in for 24 hours can happen—especially during busy days or long nights—but it’s important to know the risks and what steps to take next. While sleeping with a tampon in for up to eight hours is generally considered safe, going well beyond that window increases the risk of complications, most notably toxic shock syndrome (TSS), a rare but serious condition.

TSS is linked to certain strains of bacteria, like Staphylococcus aureus, which can multiply rapidly in the warm, moist environment of the vagina when a tampon is left in too long. Though TSS is uncommon, it can be life-threatening if not treated quickly.

If you've left a tampon in for a full 24 hours, the first step is to remove it as soon as you realize. Often, you may feel perfectly fine—especially if it’s just one instance. However, it’s crucial to watch closely for any warning signs. Symptoms of TSS can include sudden high fever, vomiting, diarrhea, a rash that looks like sunburn (especially on the palms or soles), dizziness, and muscle aches. If you experience any of these, don’t wait—seek medical attention immediately.

Even if you feel okay, it’s a good idea to be cautious moving forward. Stick to the recommended tampon usage guidelines: change every 4 to 8 hours and consider using lower-absorbency products when possible. At night, switching to a pad can eliminate the risk entirely.

Mistakes happen, but staying informed and alert makes all the difference. Knowing your body and recognizing red flags early can help keep your cycle safe and stress-free.