How often should you change your pad?
Change your pad every 3 to 4 hours as a rule of thumb, or sooner if it feels full, wet or smells. On heavy days that might be every 2 hours; on light days a pad can last longer. An overnight pad can be worn through a normal night's sleep. If you soak through a pad every hour or two, that's heavy bleeding worth a doctor's visit.
Why there's no exact number
Unlike tampons, pads sit outside the body and aren't linked to toxic shock syndrome, so there's no strict maximum time. The reasons to change them are comfort, hygiene and leaks. A pad that stays damp for hours can cause chafing, rash and odor, and once it's full, you'll leak.
| Flow / situation | How often to change |
|---|---|
| Heavy day | About every 2 to 3 hours, or when full |
| Medium day | Every 3 to 4 hours |
| Light day or spotting | Every 4 to 6 hours, or use a liner |
| Overnight | Put on a fresh overnight pad at bedtime; change as soon as you wake |
| After exercise or swimming | Change after a sweaty workout; don't swim in a pad |
It feels wet or heavy, you notice an odor, it's shifted, or the color reaches the edges. Odor usually comes from blood meeting air and bacteria over time, so changing more often fixes it. See why does period blood smell.
How many pads a day is normal?
Most people use roughly 3 to 6 pads a day, more on day 1 or 2 and fewer at the end. Over a whole period you lose about 30 to 80 ml of blood, though much of what's on a pad is also lining and fluid. See how much blood you lose on your period.
Tips for comfort
- Pick the absorbency for the day: thin pads for light days, maxi or overnight pads for heavy days.
- Wash your hands before and after changing.
- Wrap used pads and put them in the bin; never flush them.
- If you get a rash, try unscented pads, cotton-topped pads or reusable cloth pads, and change more often.
- Reusable pads and period underwear follow the same idea: change when full, usually after a few hours to a day depending on absorbency.
When pad changes tell you something
How often you change is one of the easiest ways to judge your flow. Needing to change every hour or two, doubling up pads, or getting up at night to change are all signs of heavy periods. Heavy bleeding can leave you tired and low on iron, which also drags down mood and focus.
See a doctor if you soak through a pad every 1 to 2 hours for several hours, need to use two pads at once, pass clots bigger than a quarter, bleed for more than 7 days, or feel dizzy, breathless or very tired during your period.
Frequently asked questions
Can I wear a pad for 8 hours?
Overnight, yes. During the day it's better to change more often for comfort and hygiene, especially if your flow is moderate or heavy.
Is it bad to wear a pad all day?
Not if you change it regularly. Leaving the same pad on all day can cause irritation, odor and leaks.
Should I wear a pad when I'm not on my period?
A thin liner is fine for discharge now and then. Daily use can trap moisture, so change it often and go without when you can.
Pad or tampon: which is better?
Neither; it's personal. Pads are easy and have no TSS risk. See how often to change a tampon and menstrual cup vs tampon.
Sources
This page is for information only and isn鈥檛 medical advice. If something worries you, please talk to a doctor.
Keep reading
How often should you change a tampon?How often should you change a tampon? Every 4 to 8 hours, never more than 8, per the FDA. Picking absorbency, sleeping in one, and signs of TSS to know.
How do you stop period leaks at night?How to stop period leaking at night: the right overnight products, how to layer them, sleeping positions that help, and when night leaks mean heavy periods.
What counts as a heavy period?What is a heavy period? Soaking a pad or tampon every 1 to 2 hours, clots bigger than a quarter, or bleeding over 7 days. A quick self-check.
How much blood do you lose on your period?How much blood do you lose on your period? Usually 20 to 90 ml, about 1 to 5 tablespoons. How to estimate yours with pads, tampons or a cup.
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