There’s really no biological reason that a tampon would cause uterinecramps. Greves says, “if the tampon is too large, it could cause discomfort.” So, there’s a chance that you may misinterpret that pain as cramps. Yes, tampons can cause mild cramping in some users. This is often due to irritation or pressure on the cervix, which may intensify natural uterine contractions during menstruation. Tampons don’t affect period cramps because they sit in the vagina, while period cramps happen in the uterus. That said, wearing a tampon may cause pelvic pain or increase discomfort.Some people swear that tampons make their cramps worse. Cramps are a pain — literally — but tampons don’t have anything to do with it. See full list on healthline.comPeriod cramps happen when hormone-like chemicals called prostaglandins trigger the muscles and blood vessels in your uterus to contract. Any OTC pain reliever will offer some relief, but for period cramps, nonsteroidal anti-inflammatory drugs (NSAIDs), like ibuprofen (Advil, Motrin) and naproxen (Aleve), work best. They don’t just reduce inflammation to relieve pain, they also reduce the number of prostaglandins your body makes and lessens their effects.•Apply heat. Applying heat where you’re cramping can help relax your muscles and increase circulation to the area for relief from cramps. You can get your cramp-busting heat via heat patches, a heating pad, or a hot water bottle.•Take a hot bath. Soaking in a hot bath for 15 minutes can help cramps by relaxing the muscles in your pelvis, lower abdomen, and back. You may be able to boost your bath’s cramp-relieving powers by adding a few drops of cinnamon bark essential oil, which has a warming effect and is an anti-inflammatory.•Get some exercise. It may not sound like fun when you’re crampy, but exercise has been shown to reduce the intensity and duration of period cramps.