An anti-inflammatory painkiller like ibuprofen is the best first choice for a toothache. The American Dental Association recommends NSAIDs as the first-line treatment for acute dental pain, and for good reason: most toothaches involve inflammation inside or around the tooth, and NSAIDs target that inflammation directly. But the strongest over-the-counter option is actually a combination of ibuprofen and acetaminophen taken together.
Why Anti-Inflammatories Work Best
Tooth pain is rarely just about the nerve firing. When the soft tissue inside a tooth (the pulp) becomes irritated or infected, it triggers a cascade of inflammatory chemicals, including prostaglandins and leukotrienes. These substances cause blood vessels to dilate and leak fluid into the tissue, creating swelling and pressure. Because the pulp sits inside a rigid shell of hard tooth structure, even a small amount of swelling puts intense pressure on nerve endings. That’s why toothaches can feel so disproportionately painful.
Ibuprofen and naproxen block the production of prostaglandins at the site of inflammation. This reduces both the swelling and the pain signals it generates. Acetaminophen, by contrast, works mainly in the brain and spinal cord to dampen pain signaling. It does very little to reduce inflammation at the tooth itself. That’s why acetaminophen alone is noticeably less effective for dental pain, though it still has an important role when combined with an NSAID.
The Ibuprofen-Plus-Acetaminophen Strategy
Taking ibuprofen and acetaminophen together provides stronger relief than either one alone. Multiple randomized controlled trials, including studies on pain after wisdom tooth removal, have confirmed that this combination outperforms each drug individually. The two medications work through completely different pathways, so they complement rather than duplicate each other.
A common effective approach is 400 mg of ibuprofen (two standard tablets) alongside 500 mg of acetaminophen (one extra-strength tablet), taken every six hours. You can stagger them if you prefer, taking ibuprofen first and acetaminophen three hours later, then repeating the cycle. This keeps a steadier level of pain control throughout the day.
For adults, the safe daily ceiling for ibuprofen is 3,200 mg, and for acetaminophen it’s 3,000 mg from all sources combined. That acetaminophen limit matters more than people realize: cold medicines, sleep aids, and many combination products contain hidden acetaminophen, and exceeding 4,000 mg per day has been linked to acute liver failure.
When You Can’t Take NSAIDs
Not everyone can safely use ibuprofen or naproxen. If you have a history of stomach ulcers, kidney problems, or you’re on blood thinners, NSAIDs can cause serious complications. In those situations, acetaminophen alone is your safest over-the-counter option. It won’t address inflammation, so it’s less effective for dental pain, but it still reduces how strongly your brain registers the pain signal.
Naproxen is another NSAID option if ibuprofen upsets your stomach, though it carries similar risks. Its advantage is a longer duration of action, typically 8 to 12 hours per dose compared to ibuprofen’s 4 to 6 hours, which can be helpful for getting through the night. The maximum daily dose for naproxen sodium is 1,100 mg.
Topical Options for Extra Relief
Over-the-counter benzocaine gels (usually sold as 20% concentration) can numb the area around a painful tooth for short-term relief. You apply a small amount directly to the gum tissue near the sore spot. It kicks in within a few minutes and typically lasts 15 to 30 minutes. It won’t fix anything, but it can take the edge off while you wait for oral medication to start working.
Clove oil is a surprisingly legitimate alternative. In a study of 73 adults, a clove-based gel reduced pain scores just as effectively as 20% benzocaine gel, with both performing significantly better than placebo. The active compound in clove oil has natural numbing and anti-inflammatory properties. A few participants in the study developed small mouth ulcers from the clove gel, and both clove and benzocaine caused a mild burning sensation during application, but neither produced serious side effects.
To use clove oil, place a small amount on a cotton ball and hold it against the sore area. Don’t apply it undiluted in large quantities, as it can irritate the surrounding tissue.
What to Do for a Child’s Toothache
Children’s dental pain follows similar principles, but dosing requires more care. Weight-based dosing is the most accurate method. Standard children’s liquid acetaminophen comes in a concentration of 160 mg per 5 mL, and you should always measure with the oral syringe included in the package, never a kitchen spoon. Children under 12 can take acetaminophen every four hours, with a maximum of five doses in 24 hours. Children under 2 should not receive acetaminophen without a doctor’s guidance.
Children’s ibuprofen is also available and often more effective for tooth pain for the same reasons it works better in adults. Do not give aspirin to children or teenagers, as it carries a risk of a rare but serious condition called Reye’s syndrome. Extra-strength (500 mg) acetaminophen products are not appropriate for children under 12, and extended-release formulations should not be given to anyone under 18.
Aspirin Directly on the Tooth: Don’t Do It
A persistent home remedy suggests placing a crushed aspirin tablet directly against the painful tooth or gum. This causes chemical burns to the soft tissue. Aspirin is acidic, and holding it against your gums destroys the tissue on contact, creating a painful white lesion that takes days to heal. If you take aspirin for tooth pain, swallow it normally.
Signs That Need Immediate Attention
Over-the-counter pain relief is a bridge to dental treatment, not a replacement for it. If your toothache comes with a fever and facial swelling, you should get to an emergency room if you can’t reach a dentist. Difficulty breathing or swallowing alongside dental pain is a true emergency, as it can signal that an infection has spread from the tooth into the jaw, throat, or neck. A dental abscess that spreads into these deeper spaces can become life-threatening quickly, and no amount of ibuprofen will stop that progression.