Dra. Cléo Salustiano In this article
SummaryWhy does a tooth become inflamed, and what can medicine do?What can you do at home, and when should you see a dentist?FAQRead nextInflamed tooth: what to take and what to do until your appointment
Quick summary of this article+
Pain relievers and anti-inflammatories recommended by a professional can ease an inflamed tooth for a few hours, but they do not treat the cause, which may be deep decay, an inflamed nerve, an abscess, a wisdom tooth or the gums. At home, keep the area clean, use cold on the outside of the face and avoid chewing on that side. Antibiotics only with a prescription. Facial swelling, fever or pus need same-day care.
When a tooth becomes inflamed, the first impulse is to find a medicine that will calm it down and wait for it to pass. Common pain relievers and anti-inflammatories, used as directed by a professional and according to the label, can ease the pain for a few hours. But no pill treats the cause: if the inflammation comes from deep decay, the tooth's nerve, a wisdom tooth or the gums, it tends to return until the problem is treated in the dental chair.
In clinical practice, it is common to see patients who spent days or weeks self-medicating, sometimes combining several drugs, until the pain stopped responding or the face swelled. That delay often turns a simple treatment into a more involved one. Another frequent situation is taking leftover antibiotics, which can mask symptoms and encourage bacterial resistance without solving anything.
In this article, Dr. Cléo Salustiano (CRO-SP 170844), who sees patients in Mooca, East Zone of São Paulo, explains what may be behind an inflamed tooth, what is safe to do at home, when antibiotics are actually indicated and which signs need same-day care. The content is educational: the choice and dose of any medicine should come from a dentist or physician.
This article comes from Dr. Cléo Salustiano's dental office in Mooca, São Paulo (care in English, Portuguese and Spanish). See the general dentistry page to learn how the treatment is done here and book your assessment.
Why does a tooth become inflamed, and what can medicine do?
A tooth becomes inflamed because tissue inside or around it has been injured, usually by bacteria, and the body responds with inflammation. Medicine can reduce pain and some swelling, but it does not remove the cause. Pain relief is a bridge to the appointment, not a treatment.
The most common causes are pulpitis, an inflammation of the tooth's nerve usually triggered by deep decay, a crack or a large filling; an abscess, when infection forms pus at the root tip or in the gums; pericoronitis, inflammation of the gum flap over a partly erupted wisdom tooth; and gum inflammation around a tooth because of tartar or trapped food. Each has a different treatment.
Antibiotics only make sense when infection is spreading, with facial swelling, fever, malaise or a large abscess, and always with a prescription. In pulpitis, where the pain comes from an inflamed nerve, antibiotics do not relieve the pain; relief comes from treatment such as removing the decay or a root canal. Avoid harsh home remedies too: putting a tablet, alcohol or garlic on the gum can burn the tissue, and heat on the face is not recommended when infection is suspected.
What can you do at home, and when should you see a dentist?
At home, it helps to keep the area clean, apply cold to the outside of the face in short intervals, avoid chewing on that tooth and use only a pain reliever a professional has already recommended to you. These measures ease symptoms, but the appointment should be booked as soon as possible, ideally the same or the next day.
Brush gently, including the sore tooth, and floss to remove any food that may be pressing on the gum. Warm salt-water rinses can soothe inflamed gums. Cold compresses wrapped in a thin cloth, about 15 minutes at a time with breaks, help reduce swelling, and sleeping with your head slightly raised can lessen throbbing.
Seek same-day care if there is swelling of the face or neck, difficulty opening the mouth or swallowing, fever, pus, severe pain that does not respond to the recommended pain reliever, or general malaise. Swelling spreading toward the eye or neck, or difficulty breathing, requires a hospital emergency room right away.
At the visit, the dentist finds the source with a clinical exam and X-ray and treats the cause, which may be a filling, opening the tooth to relieve pressure, gum cleaning, a root canal or, when the tooth cannot be saved, an extraction. In Mooca, Dr. Cléo Salustiano sees patients every day, including Sundays and holidays, from 8 a.m. to 10 p.m., about 400 meters from Bresser-Mooca subway station.
What is the best medicine for an inflamed tooth?
+
There is no single medicine that cures an inflamed tooth. Common pain relievers and anti-inflammatories can ease pain and some swelling for a few hours, but the choice and dose should come from a dentist or physician who knows your allergies, stomach and kidney health, pregnancy status and other medicines. Lasting relief comes from treating the cause.
What can I take for an inflamed tooth while I wait for my appointment?
+
The safest option is a pain reliever a professional has already recommended to you, following the label and the intervals. If you have never received guidance, contact a dentist before combining medicines. Meanwhile, keep the area clean, use cold compresses on the outside of the face and avoid chewing on the sore side.
Do antibiotics reduce tooth inflammation?
+
Antibiotics are not anti-inflammatories and do not relieve the pain of an inflamed nerve. They are indicated when infection is spreading, with facial swelling, fever or a large abscess, and always with a prescription. Self-medicating with antibiotics can mask symptoms, delay treatment and encourage bacterial resistance without fixing the source.
Will an inflamed tooth heal on its own?
+
Rarely. Gums irritated by trapped food may improve with cleaning, but inflammation from deep decay, the nerve or an abscess tends to come back or get worse. Sometimes the pain stops because the nerve has died while the infection continues silently. Even if it improves, an assessment is worthwhile.
When is an inflamed tooth an emergency?
+
It is urgent when there is swelling of the face or neck, fever, pus, difficulty opening the mouth or swallowing, severe pain that does not respond to the recommended pain reliever, or general malaise. Swelling spreading toward the eye or neck and difficulty breathing require a hospital emergency room immediately.
Why does an inflamed tooth hurt more at night?
+
When you lie down, more blood flows to the head and pressure inside the inflamed tooth rises, which increases the throbbing. There are also fewer distractions at night, so pain feels stronger. Raising your head slightly can help, but pain that wakes you up is a sign to see a dentist soon.
Does an inflamed tooth always need a root canal?
+
Not always. If the nerve inflammation is reversible, removing the decay and placing a filling may be enough. When the nerve is irreversibly inflamed or dead, a root canal is usually recommended to save the tooth. If the source is the gums or a wisdom tooth, treatment is different. Only an exam with an X-ray can tell.
Where can I treat an inflamed tooth in Mooca, São Paulo?
+
In Mooca, Dr. Cléo Salustiano (CRO-SP 170844) sees patients at Rua Hipódromo, 1141, every day from 8 a.m. to 10 p.m., including Sundays and holidays, in Portuguese, English and Spanish. The source of the inflammation is identified with an exam and X-ray, and treatment starts with the cause, not just pain relief.
