Wisdom tooth pain usually arrives in the evening and usually on a weekend. The immediate answer: keep the area clean with warm salt water rinses, use ordinary painkillers you would take for a headache, hold a cold compress on the outside of your cheek, and arrange to be seen.
The rest of this explains why it flared up, what helps and what makes it worse, and the specific signs that mean you should not wait until Monday.
Most flare ups are the gum flap, not the tooth
When a wisdom tooth is partly through, a flap of gum sits over part of it. Food and bacteria get underneath, the flap swells, and then the tooth above bites onto the swollen flap, which swells more. That cycle is called pericoronitis, and it is the single most common reason a wisdom tooth suddenly hurts.
The other causes are decay in the wisdom tooth itself, which is easy to get in a tooth that far back, and decay or gum problems in the tooth in front, where the wisdom tooth traps food against it. Pressure from a tooth pushing through can ache for a few days on its own, but a genuinely swollen, throbbing, sore to touch area usually means infection is involved.
Flare ups often follow a cold, a stressful week, poor sleep or a run of takeout food. That does not mean you caused it. It means the balance tipped in a spot that is difficult to keep clean at the best of times.
What actually helps tonight
The aim is to reduce swelling, clean under the flap, and stop the opposing tooth traumatizing it further. Warm salt water is genuinely useful here: it is cheap, safe to repeat, and it flushes the space. A single teaspoon of salt in a cup of warm water, held over the area rather than swished violently, several times a day and after eating.
For pain, use the ordinary painkillers you would take for a headache, following the packet and anything your doctor or pharmacist has told you. Never hold an aspirin against the gum, which burns the tissue and makes everything worse. Chewing on the other side, eating soft food, and sleeping propped up on an extra pillow all help more than they sound like they should.
- Warm salt water rinses after every meal and a few more times a day
- A cold compress on the outside of the cheek, twenty minutes on and twenty off
- A soft brush gently over the area, since abandoning it makes the infection worse
- Soft food, chewed on the other side, and plenty of fluids
- An extra pillow at night, because lying flat increases throbbing
Some signs mean urgent care tonight, not Monday
Infection around a lower wisdom tooth can spread into the spaces of the neck and under the tongue, and that is the situation where the airway becomes the concern. It is not common, and it is why these particular signs get their own list.
If any of these apply, go to an emergency room or call emergency services rather than waiting for a dental appointment. Bring a list of your medications with you.
- Difficulty breathing, difficulty swallowing, or drooling because swallowing hurts
- Swelling spreading down the neck, under the jaw, or up toward the eye
- Fever with facial swelling, or shaking chills and feeling very unwell
- Not being able to open your mouth more than a couple of fingers wide
- Swelling that is visibly getting worse hour by hour
What a dentist does about it
The first visit is usually about settling the flare up rather than removing anything. That typically means an x ray to see the tooth and its roots, cleaning and irrigating under the gum flap, and checking whether the tooth above is biting onto it. Sometimes that opposing tooth gets adjusted or removed if it is the thing keeping the cycle going.
Antibiotics are not automatic. They are generally reserved for spreading infection, fever or swelling, because the cleaning is what removes the cause and antibiotics alone tend to buy a few weeks before the same thing returns. If you are prescribed them, finish the course and still keep the appointment for the underlying problem.
Removal gets discussed once things have calmed down. Not every wisdom tooth needs to come out: a tooth that is fully through, cleanable and causing no trouble is often left alone and watched. Repeated flare ups, decay in the wisdom tooth or the tooth in front, or a tooth angled into its neighbor are the usual reasons to take it out.
What removal costs, and what recovery is really like
Prices vary by city, by practice, by how the tooth is positioned and by whether you have sedation. As a rough guide, a straightforward extraction of a fully erupted wisdom tooth commonly runs around 150 to 350 dollars, a surgical extraction of an impacted one is frequently 300 to 800 dollars per tooth, and sedation or a general anesthetic can add several hundred to over a thousand. Ask for a written estimate that separates the tooth, the sedation and the follow up.
Recovery for a simple extraction is usually a sore day or two. For an impacted lower tooth, expect swelling that peaks around day two or three, limited mouth opening, and roughly three to seven days before you feel normal. Severe pain arriving three to five days later, often with a bad taste, usually means the clot has been lost from the socket, which the practice can dress quickly once they see you.
Getting seen when it starts on a Friday night
Call your own practice first even out of hours, because many have a recorded message with emergency arrangements. If you do not have a dentist, the directory searches every dental practice in the United States by town or ZIP code and shows the closest first, free and with no account, which beats scrolling maps while your jaw throbs.
When you call, say how long it has hurt, whether there is swelling, whether you have a fever, and how wide you can open your mouth. Those four facts are what a practice uses to decide whether you are an emergency slot in the morning or a routine appointment next week.
The short version
- Most wisdom tooth flare ups are infection under the gum flap, not the tooth cracking.
- Warm salt water rinses, ordinary painkillers and a cold compress are the useful first steps.
- Never hold aspirin against the gum, and keep gently brushing the area rather than avoiding it.
- Trouble breathing or swallowing, spreading swelling or fever means an emergency room now.
- Antibiotics alone rarely end it, because the cause is under the gum and has to be cleaned out.
Looking for a dentist?
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Frequently asked
How do I stop wisdom tooth pain at night?
Rinse with warm salt water, take ordinary painkillers you would take for a headache as directed on the packet, hold a cold compress against the cheek, and sleep propped up on an extra pillow so blood does not pool in the area. Eat something soft on the other side. Then arrange an appointment, because these steps buy time rather than fix it.
Do all wisdom teeth need to come out?
No. A wisdom tooth that is fully through, biting properly and cleanable is often monitored rather than removed. Removal is usually recommended for repeated infections, decay in the wisdom tooth or the tooth in front of it, cysts, or a tooth angled so it damages its neighbor. An x ray and your own history decide it.
How long does wisdom tooth pain last?
A mild eruption ache often settles within a few days. A gum flap infection can ease in a few days with rinsing and cleaning, but it tends to return, sometimes every few months, until the underlying cause is dealt with. Pain that is worsening, swelling or fever should not be waited out at all.
This is general information to help you ask better questions, not a diagnosis. Anything happening in your own mouth needs a dentist who can look at it.