It looks like you’re referring to something that might be worrying you, but I need a bit more clarity to respond properly.
Different things can cause stains on underwear, and many of them are completely normal, such as:
- Normal body discharge (which can vary in color and texture during the day)
- Sweat or moisture
- Mild irritation or changes in hygiene products (soap, detergent, pads, etc.)
But if something looks unusual, what matters is:
- color (white, yellow, green, brown, etc.)
- smell
- whether there’s itching, burning, pain, or discomfort
- whether it’s new or changing suddenly
If you’re comfortable, you can describe what you’re seeing in more detail, and I can help explain what’s most likely going on in a clear, non-alarming way.
If there are any discomfort or persistent changes, it’s also a good idea to talk to a healthcare professional—they can give a quick and accurate answer.