A child’s toothache usually responds well to simple home care: a dose of the right pain reliever, a cold compress, and a saltwater rinse can bring relief within 20 to 30 minutes while you arrange a dental visit. The key is knowing which remedies are safe for kids, which products to avoid entirely, and when the situation calls for urgent care.
Why Your Child’s Tooth Hurts
Cavities are the most common culprit, but they’re far from the only one. Identifying the likely cause helps you choose the right response.
Food stuck between teeth is the simplest fix. A piece of hard food wedged between two teeth can cause sharp, localized pain that disappears once you gently floss it out. Before assuming anything more serious, check for this first.
Gum irritation, sometimes called gingivitis, makes gums red, tender, and sometimes bloody. It often develops when brushing and flossing have been inconsistent. The pain can be surprisingly intense for something that looks minor from the outside.
Cracked enamel happens when a child bites down on something hard unexpectedly. The tooth may look normal, but it becomes sensitive to hot and cold. The fracture line can sit below the gum line or simply be too small to see without dental tools.
A dental abscess is the most serious common cause. The pain is severe and throbbing, and tapping on the tooth makes it worse. An abscess means a pocket of infection has formed at the tooth’s root. Left untreated, it can erode through bone. You may eventually see a small bump or “gum boil” on the gums below the tooth. An abscess always needs professional treatment.
Pain Relief That’s Safe for Kids
Children’s acetaminophen and children’s ibuprofen are both effective for dental pain. Dose by your child’s weight, not age, for accuracy. If you don’t know their current weight, age-based dosing on the packaging is the fallback. Children’s liquid acetaminophen is typically sold at a concentration of 160 mg per 5 mL. You can give it every 4 hours as needed, but no more than 5 doses in 24 hours. Children under 2 should not take acetaminophen without a doctor’s guidance.
Ibuprofen has the added benefit of reducing inflammation around the tooth, which can make it slightly more effective for dental-specific pain. Follow the weight-based dosing on the package and don’t combine the two medications unless your pediatrician has specifically told you to alternate them.
One important restriction: do not give extra-strength (500 mg) acetaminophen products to children under 12, and do not give extended-release (650 mg) products to anyone under 18.
Products to Avoid
It’s tempting to reach for a numbing gel, but the FDA has issued clear warnings against using benzocaine products for children’s dental pain. Benzocaine, the active ingredient in many over-the-counter oral numbing gels, can cause a condition called methemoglobinemia, where the blood loses much of its ability to carry oxygen. This condition is rare but potentially fatal.
Prescription lidocaine solution is also unsafe for young children. It can cause seizures, heart problems, and severe brain injury if too much is applied or accidentally swallowed. Clove oil, a popular home remedy, poses its own risks for kids. The active compound is toxic to the liver and kidneys in high amounts, and children are especially vulnerable because of their smaller body size. Skip it unless a dentist specifically recommends a diluted form and tells you exactly how to use it.
Home Remedies That Actually Help
A saltwater rinse is one of the most effective things you can do right away. Mix half a teaspoon of salt into 8 ounces of warm water. If your child finds the full teaspoon ratio too stinging, this gentler version works well for the first day or two. Have your child swish and spit (don’t swallow) several times a day, especially after eating. This won’t work for very young children who can’t reliably swish and spit, but for kids around age 6 and up, it reduces bacteria and soothes irritated gums.
A cold compress on the outside of the cheek brings down swelling and numbs the area. Apply an ice pack or bag of frozen peas wrapped in a thin cloth for 10 to 20 minutes at a time. Always keep a layer of fabric between the ice and your child’s skin. You can repeat this every couple of hours as needed.
Gently flossing around the painful tooth can dislodge trapped food that may be causing or worsening the pain. Use a slow, careful motion to avoid irritating already-sore gums.
Helping Your Child Sleep With a Toothache
Toothaches notoriously get worse at night. Lying flat increases blood flow to the head, which amplifies both pain and inflammation around the tooth. Propping your child up with two or more pillows so their head stays elevated lets gravity reduce that blood pooling. If the pain is on one side, have them sleep on the opposite side and avoid pressing the sore cheek into the pillow. Keeping the body slightly upright, almost in a reclined position rather than fully flat, makes a noticeable difference for many kids.
Timing a dose of pain reliever about 30 minutes before bedtime helps your child fall asleep before the medication peaks, giving them the best window of relief during those first crucial hours of sleep.
If a Tooth Gets Knocked Out
A knocked-out baby tooth generally doesn’t need to be reimplanted, but a knocked-out permanent tooth is a true dental emergency with a tight timeline. Permanent teeth have the best chance of being saved when placed back in the socket within 15 minutes, though reimplantation can still work within the first hour.
Handle the tooth by the crown (the white part), never the root. If you can, gently rinse off any dirt and press it back into the socket. If reinserting it isn’t possible, keep the tooth moist. Place it in a small container of milk, saline solution, or even your child’s own saliva. Do not store it in tap water, which damages the root cells. Then get to a dentist or emergency room immediately.
Signs That Need Urgent Attention
Most toothaches can wait for a regular dental appointment within a day or two. But certain signs mean your child needs care right away:
- Facial swelling: puffiness in the cheek or jaw that spreads, especially if it affects the area under the eye or below the jaw
- Fever alongside tooth pain: this combination suggests the infection may be spreading beyond the tooth
- Inability to eat or drink: if pain is severe enough that your child refuses fluids, dehydration becomes a concern on top of the dental issue
- Bleeding that won’t stop: sustained bleeding from the gums or a tooth socket after 10 to 15 minutes of firm pressure with gauze
- A visible bump on the gums: a pus-filled “gum boil” signals an abscess that needs professional drainage and likely antibiotics
If your child has difficulty swallowing or opening their mouth, or if swelling is progressing rapidly, go to an emergency room rather than waiting for a dental office to open. These can be signs of a spreading infection that needs immediate treatment.