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Health condition · Clinically reviewed

Dry socket, the throbbing pain that starts days after an extraction.

Alveolar osteitis is a local, treatable complication of tooth extraction. A dressing, simple painkillers and a few sensible habits usually settle it within a week.

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Why trust this guide

  • 01

    Clinically reviewed

    Written by our editorial team and reviewed by a registered UK clinician before publication.

  • 02

    Sourced from guidance

    Checked against SDCEP, FGDP(UK) and peer-reviewed oral surgery sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK dental guidance on alveolar osteitis, dressings and prevention after extraction.

Key facts

Dry socket at a glance.

The essentials, in plain English - what it is, when it appears and how UK dentists treat it today.

  • What it is

    Alveolar osteitis - the blood clot in the tooth socket dislodges or fails to form, leaving bone and nerve endings exposed.

  • How common

    Around 1 to 4 per cent of routine extractions. Rises to 15 to 30 per cent for lower wisdom teeth.

  • When it starts

    Typically 2 to 4 days after the extraction, with pain that is often worse than the extraction itself.

  • Biggest risk factor

    Smoking - roughly a fourfold increase. Also mandibular extractions, wisdom teeth and traumatic surgery.

  • Not the same as infection

    Usually no fever or systemic upset - the pain is local and driven by exposed bone, not spreading infection.

  • Highly treatable

    Irrigation, an alveolar dressing and simple analgesia resolve most cases within a week to ten days.

Why this guide matters

Local pain, not spreading infection.

Dry socket is common after lower wisdom teeth and often misread as failed healing or infection. The three points below shape everything else on this page.

  • Dressings are the mainstay

    An alveolar dressing placed by the dentist typically cuts the pain within a day and is repeated every 24 to 48 hours.

  • Antibiotics are usually not needed

    Without fever or spreading swelling, dry socket is a local inflammation - not an infection that needs antibiotics.

  • Prevention is mostly about smoking

    Stopping smoking around any extraction is the single most effective step. Straws, spitting and vigorous rinsing come next.

How the diagnosis is made

From new pain to a clear plan.

The steps a UK dentist will normally follow, in order - so you know what to expect at the review appointment.

  1. 01

    Assessing

    Timing and pain history

    Severe throbbing pain 2 to 4 days after an extraction, often radiating to the ear, with a bad taste or halitosis.

  2. 02

    Assessing

    Risk factor review

    Smoking, lower wisdom-tooth extraction, oral contraceptives, previous dry socket, diabetes and traumatic extraction all raise suspicion.

  3. 03

    Assessing

    Intraoral examination

    An empty-looking socket, no visible clot, exposed bone, food debris and tender local lymph nodes - usually without fever.

  4. 04

    Confirming

    Rule out spreading infection

    Fever, facial swelling, trismus or systemic illness point to true infection or osteomyelitis, not dry socket.

  5. 05

    Confirming

    Consider retained roots

    Persistent or unusual pain warrants a periapical X-ray or OPG to exclude a retained root, foreign body or fracture.

  6. 06

    Screening

    Screen for osteonecrosis

    Ask about bisphosphonates and antiresorptives - MRONJ can mimic dry socket. See our guide on medication-related osteonecrosis of the jaw.

  7. 07

    Screening

    Consider referred causes

    TMJ dysfunction and referred dental pain can confuse the picture - see our TMJ disorders guide if the pattern does not fit.

Typical timeline: from first review to settled pain in a week or so.

Symptoms

What dry socket actually feels like.

The classic pattern - pain that gets worse a few days after the extraction, radiating to the ear, with an empty-looking socket and no fever.

  • Severe throbbing pain

    Deep, throbbing pain 2 to 4 days after extraction, typically worse than the day of surgery itself.

  • Radiation to the ear

    Pain often radiates up to the ear, temple or jaw on the affected side, especially with lower molar sockets.

  • Empty-looking socket

    The socket looks hollow with no visible dark clot - a grey or yellow film may cover exposed bone.

  • Exposed bone

    Whitish, tender bone visible at the base or walls of the socket - the hallmark finding on examination.

  • Halitosis and bad taste

    Foul smell and taste from stagnant food debris and inflammatory exudate within the socket.

  • Local tenderness

    Tender submandibular or cervical lymph nodes on the same side - a local, not systemic, reaction.

  • Usually no fever

    Systemic illness, fever or facial swelling suggests spreading infection or osteomyelitis rather than uncomplicated dry socket.

  • Red flag - spreading infection

    Swelling, fever, trismus or difficulty swallowing needs same-day dental or maxillofacial review.

Treatment

How dry socket is treated in the UK.

Irrigate, dress, keep on top of the pain and review. Antibiotics stay in reserve for the small number of cases with spreading infection.

  • Socket irrigation

    Warm saline or 0.12 per cent chlorhexidine to flush out debris - the first step at every dental review.

  • Alveolar dressing

    Alvogyl (eugenol, butamben, iodoform) or a zinc oxide eugenol dressing placed by the dentist. Changed every 24 to 48 hours until pain settles.

  • NSAIDs

    Ibuprofen 400 mg three to four times daily or naproxen - the backbone of pain relief, if not contraindicated.

  • Paracetamol

    Combined with an NSAID for a stronger analgesic effect than either alone.

  • Short-course opioid

    Codeine or a similar opioid for a few days in severe pain, alongside NSAIDs and paracetamol.

  • Selective antibiotics

    Not routine. Reserved for spreading infection, systemic upset or immunosuppression - typically metronidazole with or without amoxicillin.

  • Regular review

    Dressing changes every 24 to 48 hours until the pain resolves - usually within 7 to 10 days.

  • Specialist oral surgery

    For refractory cases, suspected osteomyelitis, MRONJ or when curettage under specialist care is being considered.

What this guide is based on

The sources behind every claim on this page.

UK national guidance and specialist society standards, current at the time of last review.

Key references

Guidelines and standards we relied on.

A quiet reminder

This guide is for information, not medical advice.

Your dentist or oral surgeon knows your mouth and history and can tell you which parts apply to you. If in doubt, get seen.

  • SDCEP. Management of Acute Dental Problems - guidance for general dental practice.

  • FGDP(UK) and College of General Dentistry. Standards and clinical guidance on extractions and post-operative care.

  • Cochrane. Interventions for treating post-extraction alveolar osteitis (dry socket).

  • British National Formulary. Metronidazole, amoxicillin and analgesia guidance.

  • NICE CKS. Dental abscess and post-extraction complications.

Red flags

When post-extraction pain needs urgent attention.

Most dry sockets settle with dressings and simple painkillers. These are the situations that need a same-day dental or hospital review.

  • Fever or facial swelling

    Systemic upset, spreading swelling or trismus suggests infection or a deep space collection - needs same-day dental or maxillofacial review.

  • Pain not settling after 10 days

    Persistent pain despite dressings should prompt imaging to look for a retained root, sequestrum or osteomyelitis.

  • Bisphosphonate or antiresorptive use

    Exposed bone in a patient on these drugs may be MRONJ, not simple dry socket. See our guide on medication-related osteonecrosis of the jaw.

  • Previous head or neck radiotherapy

    Osteoradionecrosis of the jaw can present after extractions in irradiated fields and needs specialist management.

  • Difficulty swallowing or breathing

    A dental infection tracking into deep neck spaces is a medical emergency - go to A and E.

  • Numbness of the lower lip or chin

    Inferior alveolar nerve involvement after a lower extraction needs urgent oral surgery review.

  • Recurrent dry socket

    Repeated episodes deserve a review of technique, smoking status, medications and, occasionally, imaging.

  • Immunosuppression or poorly controlled diabetes

    Lower threshold for antibiotics and closer follow-up - infection is more likely and more dangerous.

  • Sudden worsening pain days later

    A new spike of pain after initial improvement can signal secondary infection or a retained fragment.

Recovery

Getting the socket to heal, and stopping it happening again.

Four things that make the biggest difference after an extraction - no smoking, gentle salt-water rinses, soft food and going back if the pain suddenly worsens.

A quiet reminder

Protect the clot in the first 48 hours.

The first day or two do most of the work. Small, steady habits protect the clot and let healing get on with itself.

  1. 01 Stop

    No smoking, no straws

    Smoking is the single biggest driver of dry socket. Avoid cigarettes, vaping and drinking through straws for at least 72 hours after extraction.

  2. 02 Rinse

    Gentle salt-water rinses from day two

    Warm salt water after meals keeps the socket clean without dislodging the clot. Avoid vigorous rinsing on day one.

  3. 03 Eat

    Soft foods and steady hydration

    Cool, soft foods for the first few days. Chew on the other side. Keep fluids up to help healing.

  4. 04 Return

    Go back to your dentist

    If pain suddenly worsens 2 to 4 days after extraction, ring your dentist - a dressing usually settles it within a day.

Frequently asked

Everything we get asked about dry socket.

Quick answers on timing, dressings, antibiotics and prevention.

  • What is dry socket?

    Dry socket, or alveolar osteitis, is a painful complication of tooth extraction. The blood clot that should fill the socket either dislodges or fails to form, exposing the underlying bone and nerve endings. It affects around 1 to 4 per cent of routine extractions and up to 15 to 30 per cent of lower wisdom-tooth extractions.

  • When does dry socket usually start?

    Typically 2 to 4 days after the extraction. The initial post-extraction pain begins to settle, then a deeper, throbbing pain builds up. It is often described as worse than the extraction itself and can radiate to the ear or temple.

  • Is dry socket the same as an infection?

    No. Dry socket is inflammation of exposed bone with a breakdown of the clot. There is usually no fever and no spreading swelling. True infection or osteomyelitis is different and needs antibiotics, so any systemic upset should be reviewed the same day.

  • How is dry socket treated?

    The dentist irrigates the socket with saline or chlorhexidine to remove debris, then places an alveolar dressing such as Alvogyl or a zinc oxide eugenol paste. Simple analgesia with ibuprofen and paracetamol is the mainstay. Dressings are changed every 24 to 48 hours until the pain settles, usually within 7 to 10 days.

  • Do I need antibiotics?

    Not routinely. Uncomplicated dry socket is a local problem, not a spreading infection. Antibiotics such as metronidazole and amoxicillin are reserved for patients with fever, facial swelling, immunosuppression or a clear infective picture on examination.

  • How can I reduce my risk?

    The most effective step is to stop smoking before and after any extraction. Avoid drinking through straws, spitting hard or vigorous mouth rinsing for the first 24 to 48 hours. Follow your dentist’s post-op instructions, keep the socket clean with gentle salt-water rinses from day two, and take any pre-operative chlorhexidine rinse that is offered.

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