A severe toothache usually means the nerve inside your tooth is inflamed or infected, and the fastest relief comes from combining the right over-the-counter pain relievers while you arrange to see a dentist. No home remedy will fix the underlying problem, but several strategies can dramatically reduce your pain in the short term.
The Most Effective Over-the-Counter Approach
Taking ibuprofen and acetaminophen together is the single most effective non-prescription option for dental pain. The American Dental Association’s 2024 guidelines for acute oral pain prioritize this combination over opioids, and it works because the two drugs reduce pain through different mechanisms. You can take them at the same time or stagger them.
If you buy a combination tablet, each one typically contains 250 mg of acetaminophen and 125 mg of ibuprofen. The standard adult dose is two tablets every eight hours, with a maximum of six tablets per day. If you’re taking them separately, stay under 4,000 mg of acetaminophen total in 24 hours, and follow the label directions for ibuprofen. Of the two, ibuprofen is generally more effective for tooth pain on its own because it reduces both pain and inflammation.
Quick Relief While You Wait
A warm salt water rinse can ease pain within minutes. Dissolve half a teaspoon of salt in a cup of warm water and swish gently around the affected area for 30 seconds before spitting. The salt temporarily shifts your mouth’s pH toward alkaline, creating an environment where bacteria struggle to survive. You can repeat this several times a day, and it’s especially useful if there’s swelling or signs of infection around the gum line.
Clove oil is one of the few natural remedies with real numbing power. Its active compound, eugenol, makes up 70 to 90 percent of the oil and works as a mild local anesthetic. Dab a small amount onto a cotton ball and hold it against the painful tooth for a minute or two. Use it diluted (mix a drop or two into a small amount of olive or coconut oil) to avoid irritating your gums. The relief is temporary, usually lasting 20 to 30 minutes, but it can bridge the gap while painkillers kick in.
Cold compresses applied to the outside of your cheek, 15 minutes on and 15 minutes off, help reduce swelling and dull nerve signals. Avoid placing ice directly on the tooth, which can make pain worse if the nerve is already irritated.
Sleeping With a Toothache
Toothaches famously get worse at night. When you lie flat, more blood flows to your head, which increases pressure around the inflamed tooth and intensifies throbbing. Prop your head up with an extra pillow or two, or sleep in a recliner if you have one. Taking your pain reliever about 30 minutes before bed gives it time to reach full effect.
What’s Causing the Pain
A severe toothache almost always involves the pulp, the soft tissue inside your tooth that contains nerves and blood vessels. Dentists call this pulpitis, and it comes in two forms that feel noticeably different.
With reversible pulpitis, you get a sharp jolt of pain from cold drinks or sweet foods, but it fades within a few seconds. The tooth doesn’t hurt when you tap on it. This stage means the nerve is irritated but not permanently damaged, and treating the cause (usually a cavity or a cracked filling) can resolve it completely.
Irreversible pulpitis is the one that brings people to search engines at 2 a.m. The pain is throbbing, aching, or sharp, and it lingers long after the trigger is gone. Sensitivity to heat is a hallmark. Tapping the tooth hurts. At this stage, the nerve is dying or already dead, and the tooth needs either a root canal or extraction. No amount of ibuprofen or clove oil will reverse the damage.
Left untreated, irreversible pulpitis can progress to a dental abscess, a pocket of infection at the root tip. An abscess can cause constant, intense pain that radiates into your jaw, ear, or neck, along with visible swelling, a foul taste in your mouth, or fever.
What a Dentist Will Actually Do
When the nerve inside a tooth is irreversibly damaged or infected, there are two main options: a root canal to save the tooth, or extraction to remove it. Your dentist will test the tooth by tapping it, applying hot and cold stimuli, and taking X-rays to see how far the damage extends. If the pulp tissue is completely dead, you may not feel any sensitivity to temperature at all during testing.
A root canal removes the infected nerve tissue and seals the inside of the tooth. Most people feel dramatic relief within a day or two because the source of pain is gone. An extraction is typically recommended when the tooth is too damaged to restore or when infection has compromised the surrounding bone.
One important point: antibiotics alone will not cure a tooth infection. They can prevent a severe infection from spreading, and your dentist may prescribe them if you’re immunocompromised or if the infection is advancing. But the primary treatment is always a dental procedure, whether that’s draining an abscess, performing a root canal, or pulling the tooth. Many tooth infections clear completely with the procedure alone, no antibiotics needed.
What to Avoid
Topical numbing gels containing benzocaine (sold under brands like Orajel and Anbesol) seem like an obvious choice, but they carry real risks, particularly for children. The FDA warns that benzocaine can cause a condition called methemoglobinemia, where red blood cells lose much of their ability to carry oxygen. In adults, these products offer only brief surface-level relief and don’t reach the nerve inside the tooth where severe pain originates. If you do use one, keep it to occasional, small applications.
Avoid placing aspirin directly on your gum tissue. This is a persistent home remedy that actually causes chemical burns to the soft tissue without reducing pain inside the tooth. Also skip very hot or very cold foods, which can trigger intense flare-ups when the nerve is inflamed.
Signs You Need Emergency Care
Most toothaches, even severe ones, can wait for a dental appointment within a day or two as long as you manage the pain. But certain symptoms mean the infection is spreading beyond the tooth and requires immediate attention:
- Fever combined with facial swelling, especially if swelling extends to your eye, neck, or under your jaw
- Difficulty breathing or swallowing, which can indicate swelling is compressing your airway
- Uncontrolled bleeding that doesn’t stop after 15 minutes of steady pressure
- A knocked-out or badly broken permanent tooth, which needs treatment within 30 minutes to an hour for the best outcome
A spreading dental infection is one of the few tooth-related situations that genuinely belongs in an emergency room rather than a dentist’s office. Swelling that moves quickly, a fever that keeps climbing, or any trouble breathing should not wait until morning.