Motrin is one of the most effective over-the-counter options for toothache pain. Its active ingredient, ibuprofen, is recommended by the American Dental Association as a first-line treatment for managing acute dental pain. It works better than acetaminophen (Tylenol) for tooth-related pain, and combining the two provides even stronger relief.
Why Motrin Works Well for Tooth Pain
Toothaches are driven by inflammation. When tissue inside or around a tooth becomes irritated, whether from decay, infection, or injury, your body produces signaling molecules called prostaglandins. These ramp up swelling, increase blood flow to the area, and sensitize the nerves, which is why a toothache can throb in sync with your heartbeat.
Ibuprofen blocks the enzyme that produces prostaglandins right at the source of inflammation. This makes it especially well suited for dental pain because it tackles both the pain signal and the swelling driving it. Acetaminophen, by contrast, works primarily in the brain to dampen pain perception but does little about the inflammation itself.
How It Compares to Tylenol
In a randomized, double-blind clinical trial using dental surgery as the pain model, 400 mg of ibuprofen outperformed 1,000 mg of acetaminophen across every measure: total pain relief, pain intensity reduction, and patients’ overall evaluation. Ibuprofen also reached a higher peak effect and lasted longer. If you’re choosing one or the other for a toothache, ibuprofen is the stronger option.
Combining Motrin and Tylenol for Severe Pain
For more intense toothaches, taking ibuprofen and acetaminophen together is a well-supported strategy. Because the two drugs reduce pain through completely different pathways, the combination blocks pain signals at both ends. A large review covering data from over 58,000 dental patients found that 400 mg of ibuprofen combined with 1,000 mg of acetaminophen was more effective than any opioid-containing regimen, with fewer side effects.
The ADA’s recommended schedule for moderate to severe dental pain is 400 mg of ibuprofen plus 500 mg of acetaminophen every six hours. For the first 24 hours, take them on a fixed schedule rather than waiting for pain to return. After that, you can switch to taking them as needed. This approach keeps a steady level of pain control and prevents the cycle of pain breaking through between doses.
How Quickly It Works and How Long It Lasts
Standard Motrin tablets (two 200 mg tablets) typically provide meaningful pain relief within about an hour. In a clinical trial using dental pain as the model, the median time to meaningful relief with Motrin was just over 60 minutes, and about 83% of patients achieved meaningful relief by the end of the study period. A single dose generally lasts four to six hours.
Taking ibuprofen with food can help prevent stomach irritation but may slightly delay the onset. If you need faster relief, taking it on a mostly empty stomach with a full glass of water can speed absorption.
Dosing for Adults
For standard 200 mg tablets, take one or two tablets up to three times a day, with at least four hours between doses. The maximum is six tablets (1,200 mg) in 24 hours for over-the-counter use. If you’re using 400 mg tablets, take one up to three times daily, with the same four-hour gap and a maximum of three tablets in 24 hours.
Taking ibuprofen with or after food helps protect your stomach lining. If you’re using it for an ongoing toothache while waiting for a dental appointment, try to limit use to a few days rather than weeks.
Who Should Avoid Motrin
Ibuprofen isn’t safe for everyone. You should avoid it if you have a history of stomach ulcers or gastrointestinal bleeding, kidney disease, or a known sensitivity to aspirin. People with heart disease, high blood pressure, or a history of heart attack or stroke should use it cautiously, as ibuprofen can worsen these conditions.
If you take blood thinners, blood pressure medications, or certain antidepressants, ibuprofen can interact with them. The same applies to other anti-inflammatory drugs. Taking two different NSAIDs together (like ibuprofen and aspirin or ibuprofen and naproxen) increases the risk of stomach bleeding without adding meaningful pain relief.
When a Toothache Needs More Than Motrin
Motrin is a temporary measure. It manages the pain but doesn’t treat whatever is causing it. A toothache that persists beyond a day or two, or one that keeps coming back, means something needs professional attention, whether that’s a cavity, a cracked tooth, or an infection.
Some situations call for urgent care. If you notice significant swelling on the side of your face, swelling that extends down into your neck, fever, or any difficulty breathing, those are signs of a spreading infection that ibuprofen alone cannot control. Unmanageable pain that doesn’t respond to ibuprofen and acetaminophen together also warrants an emergency visit.