Seizures: first aid¶
Emergency numbers differ by country. This page uses 911, the number for the United States and Canada. Many other countries use 112, 999, or another number. Find the number for your country.
A seizure is an episode of neurological dysfunction caused by abnormal, synchronous, and excessive electrical discharges in the cerebral cortex of the brain. Seizures manifest across a diverse clinical spectrum: from dramatic, full-body convulsive shaking with loss of consciousness to subtle unblinking staring spells, localized muscular twitches, or involuntary automatisms. Watching an individual undergo a convulsive seizure can be deeply distressing, yet most seizures run a predictable, self-limiting course lasting between 60 and 120 seconds.
This guide provides operational emergency first aid based on directives from the Epilepsy Foundation, the International League Against Epilepsy (ILAE), the American Academy of Neurology (AAN), and the Neurocritical Care Society to protect the person from physical trauma, maintain an open airway, avoid dangerous folk practices, and recognize life-threatening status epilepticus.
Do this now¶
If someone is experiencing a convulsive seizure:
- Look at your watch or phone immediately and start timing the seizure. The exact duration of the active convulsive phase is the most critical diagnostic indicator needed by attending paramedics and emergency physicians.
- Cushion the person head immediately using a folded jacket, soft pillow, or your hands. Clear the surrounding floor of sharp objects, hard furniture, hot liquids, electrical cords, or glass.
- Loosen restrictive clothing around the neck, such as neckties, buttoned collars, or scarves, to assist respiration. Remove eyeglasses to prevent ocular facial trauma.
- Do not hold the person down, do not physically restrain their limbs, and never force any object, finger, spoon, or bite block into their mouth.
- Call your local emergency number immediately if the seizure lasts 5 minutes or longer, if a second seizure begins without the person regaining consciousness, if the person is pregnant or diabetic, or if the seizure occurs in water (911 in the United States and Canada, 112 in the European Union, 999 in the United Kingdom).
- As soon as the active shaking stops, gently turn the person onto their side in the recovery position to prevent their tongue from blocking their pharynx and allow saliva to drain freely from the mouth.
Seizure emergency management flowchart¶
CONVULSIVE SEIZURE OBSERVED
│
1. LOOK AT WATCH / START TIMER
2. Cushion head with soft jacket
3. Clear sharp items / loosen neckwear
4. DO NOT restrain limbs
5. DO NOT put anything in mouth
│
Check for mandatory emergency criteria:
- Seizure occurs in water?
- Pregnant, diabetic, or hard head trauma?
- First known seizure?
│
┌───────────────┴───────────────┐
YES NO
│ │
CALL 911 / 112 / 999 │
IMMEDIATELY │
│ │
└───────────────┬───────────────┘
│
Does active shaking reach
5 MINUTES on the timer?
│
┌───────────────┴───────────────┐
YES NO
│ │
┌──────────┴──────────┐ ┌──────────┴──────────┐
│ STATUS EPILEPTICUS │ │ SHAKING CEASES IN │
│ MEDICAL CRISIS │ │ UNDER 5 MINUTES │
└──────────┬──────────┘ └──────────┬──────────┘
│ │
1. Immediate emergency call 1. Turn onto side in
2. Paramedic administration recovery position
of rescue benzodiazepines 2. Check normal breathing
3. Prevent secondary hypoxia 3. Reassure during postictal
confusion (15-30 min)
The clinical spectrum of seizure types¶
Seizures are classified according to where the electrical disruption originates in the brain and how it affects motor function and consciousness:
CLINICAL CLASSIFICATION OF SEIZURE DISORDERS
┌──────────────────────┬──────────────────────┬──────────────────────┐
│ Seizure Category │ Physical Manifestation│ Immediate First Aid │
├──────────────────────┼──────────────────────┼──────────────────────┤
│ Generalized │ Sudden collapse, cry,│ Time seizure; cushion│
│ Tonic-Clonic │ full-body bilateral │ head; side recovery │
│ (Grand Mal) │ rhythmic jerking │ position once stopped│
├──────────────────────┼──────────────────────┼──────────────────────┤
│ Absence │ Brief 5 to 15-second │ Reassure; no physical│
│ (Petit Mal) │ blank stare, eyelid │ intervention needed; │
│ │ fluttering; no fall │ brief orientation lag│
├──────────────────────┼──────────────────────┼──────────────────────┤
│ Focal Impaired │ Lip smacking, picking│ Guide gently away │
│ Awareness (Complex) │ at clothing, wandering│ from stairs/hazards; │
│ │ confusion, no memory │ do not restrain │
├──────────────────────┼──────────────────────┼──────────────────────┤
│ Atonic Seizure │ Sudden complete loss │ Evaluate for head or │
│ ("Drop Attack") │ of muscle tone; │ facial lacerations; │
│ │ violent fall to floor│ provide wound care │
└──────────────────────┴──────────────────────┴──────────────────────┘
Generalized tonic-clonic seizures (Grand Mal)¶
The most common convulsive presentation progresses through three distinct, involuntary phases: 1. The Tonic Phase: The entire skeletal musculature contracts simultaneously. The diaphragm contracts violently, forcing air past vocal cords and producing an involuntary vocal sound (the epileptic cry). The person loses consciousness and falls stiffly to the ground. Respiration temporarily stops, and lips may turn cyanotic (pale or bluish). 2. The Clonic Phase: Rapid, alternating muscular contraction and relaxation produces violent, synchronous bilateral jerking of the arms, legs, and torso. Jaw clenching may bite the tongue or cheeks, causing blood-tinged saliva to foam at the lips. This phase typically lasts between 60 and 90 seconds. 3. The Postictal Phase: The convulsive movements subside. The patient enters a profound state of deep unconsciousness, followed by slow awakening characterized by confusion, severe headache, muscle soreness, and amnesia.
Absence seizures (Petit Mal)¶
Predominantly affecting children, absence seizures cause a sudden, brief cessation of all motor activity and consciousness lasting 5 to 15 seconds. The child stares blankly into space without responding to voice or touch. Eyelids may flutter slightly. The episode ends abruptly with instant return of baseline awareness; no postictal confusion occurs.
Focal impaired awareness seizures¶
Originating in a localized cerebral network (frequently the temporal or frontal lobe), these seizures impair consciousness without causing full-body convulsions. The individual appears awake but dazed and uncommunicative. They frequently execute repetitive, purposeless automatisms: chewing, swallowing, lip smacking, buttoning and unbuttoning garments, or wandering aimlessly. Rescuers must gently guide them away from traffic, water, or heights without attempting physical restraint.
The critical 5-minute threshold: status epilepticus¶
The most vital guideline in modern epileptology is the 5-minute operational definition of status epilepticus, established by the International League Against Epilepsy:
TIME-DEPENDENT SEIZURE PATHOPHYSIOLOGY
[ 0 to 2 Minutes ] ──► Standard, self-limiting tonic-clonic seizure
│
[ 2 to 5 Minutes ] ──► Endogenous GABA neuro-inhibition struggling
│
[ 5 MINUTES ] ──► CLINICAL STATUS EPILEPTICUS THRESHOLD
│ Endogenous seizure termination fails;
│ EMERGENCY PARMEDIC INTERVENTION MANDATORY
▼
[ > 30 Minutes ] ──► Excitotoxicity, cerebral hypoxia, hyperthermia,
permanent neuronal death, high mortality
Why 5 minutes is the point of no return¶
- Spontaneous termination failure: The vast majority of normal tonic-clonic seizures terminate naturally within 90 to 120 seconds. If an active convulsive seizure continues past 5 minutes, the brain internal inhibitory mechanisms (gamma-aminobutyric acid / GABA receptor pathways) become dysfunctional and fail. The seizure will not stop on its own.
- Systemic collapse: Prolonged seizure activity past 5 minutes triggers severe systemic complications: cerebral hypoxia (oxygen starvation to the brain), massive lactic acidosis, hyperthermia (body temperature spiking above 41°C / 106°F from continuous muscle contraction), and rhabdomyolysis (breakdown of muscle tissue causing acute kidney failure).
- Emergency medical intervention: At the 5-minute mark, emergency medical services must administer rapid-acting intravenous or mucosal rescue medications (such as midazolam, lorazepam, or diazepam) to chemically terminate the seizure.
Dangerous myths and prohibited interventions¶
Centuries of folklore surrounding seizures have created dangerous first aid habits that cause severe secondary trauma:
PROHIBITED SEIZURE FIRST AID PRACTICES
┌──────────────────────┬─────────────────────────────────────────────┐
│ Prohibited Action │ Clinical Harm and Complication │
├──────────────────────┼─────────────────────────────────────────────┤
│ Forcing objects into │ Fractures teeth, lacerates gums, dislodges │
│ the person mouth │ fragments into airway; amputates fingers │
├──────────────────────┼─────────────────────────────────────────────┤
│ Physically holding │ Causes bone fractures, joint dislocations, │
│ down or restraining │ and severe muscular tears │
├──────────────────────┼─────────────────────────────────────────────┤
│ Giving mouth-to-mouth│ Ineffective against rigid chest wall; bite │
│ during convulsions │ hazard to rescuer; breathing resumes post-fit│
├──────────────────────┼─────────────────────────────────────────────┤
│ Pouring water or │ Direct aspiration of fluid into lungs, │
│ giving oral pills │ causing chemical pneumonia or asphyxiation │
└──────────────────────┴─────────────────────────────────────────────┘
The "Swallowing the tongue" myth¶
It is anatomically impossible for a human being to swallow their tongue. The lingual frenulum is a tough band of tissue that anchors the tongue securely to the floor of the mouth. - The danger of mouth objects: Never insert a spoon, wallet, pencil, wooden stick, or your fingers into a person mouth during a seizure. Clenching jaw muscles generate crushing bite forces exceeding 200 pounds per square inch. Inserting objects chips or fractures teeth, creating sharp dental fragments that aspirate into the lungs, and can sever rescuer fingers. Keep the mouth completely clear.
The restraint hazard¶
Never attempt to pin a person arms or legs to the floor, sit on their chest, or fight against their convulsive movements. Resisting involuntary muscle contractions places immense torsional stress on skeletal structures, frequently causing anterior shoulder dislocations, torn tendons, and fractured long bones. Let the movements occur naturally while clearing the surrounding floor space of hard objects.
The postictal phase and the recovery position¶
When the active convulsions cease, the brain is in a state of profound metabolic exhaustion, requiring careful airway management:
THE LATERAL RECOVERY POSITION
1. Position patient on their side (preferably left side)
2. Bend the top knee at a 90-degree angle to stabilize posture
3. Place the top hand beneath the cheek to support the head
4. Tilt the head backward slightly to maintain an open airway
5. Angle the face downward so saliva and vomit drain outward
Preventing postictal airway obstruction¶
In the postictal state, the patient pharyngeal muscles and tongue relax completely, falling backward against the posterior pharyngeal wall. - Postictal stertor: This presents as loud, snoring, or labored breathing. Left lying flat on their back (supine), the patient airway can become completely occluded by their relaxed tongue or pooled saliva. - Gravitational drainage: Placing the patient on their side immediately clears the airway and allows blood from tongue bites, saliva, and gastric secretions to drain freely onto the ground, preventing fatal pulmonary aspiration.
Managing postictal confusion and agitation¶
Upon waking, individuals are characteristically disoriented, amnesic, and emotionally vulnerable: - Provide calm reassurance: State clearly: "You had a seizure, you are safe, and I am right here with you." - Do not overwhelm: Do not crowd around the patient. Keep onlookers at a distance to preserve the individual dignity. - Todd paresis: Occasionally, a patient exhibits temporary weakness or complete paralysis in one arm, one leg, or one side of their face following a seizure (Todd paresis). This phenomenon typically resolves spontaneously within 30 minutes to 36 hours; however, emergency physicians must evaluate it to rule out acute ischemic stroke.
Criteria for calling emergency medical services¶
Not every seizure in an individual with diagnosed epilepsy requires an ambulance. However, you must call your local emergency number (911, 112, or 999) immediately if any of the following clinical red flags apply:
- The seizure lasts 5 minutes or longer (status epilepticus).
- A second seizure occurs immediately after the first without the person regaining full consciousness in between.
- The person has difficulty breathing or does not resume normal respiration after the shaking ceases.
- The person remains unresponsive, severely confused, or cannot be awakened for more than 15 minutes after the convulsion ends.
- The seizure occurred while the individual was in water (bath, pool, or open lake), due to the extreme danger of silent water aspiration.
- The person sustained a significant head strike, traumatic laceration, or suspected broken bone during the fall.
- This is the first known seizure in the person life.
- The person is pregnant (suspicion of eclampsia).
- The person has diabetes (suspicion of profound, life-threatening hypoglycemia).
Special clinical scenarios¶
Febrile seizures in infants and children¶
Occurring in 2 to 5 percent of children between 6 months and 5 years of age, febrile seizures are convulsions triggered by a rapid spike in core body temperature, typically during viral respiratory or ear infections: - Clinical presentation: The toddler suddenly loses consciousness, stiffens, and twitches bilaterally for 1 to 2 minutes. - Management: Stay calm. Febrile seizures look terrifying to parents, but simple febrile seizures do not cause brain damage or cognitive disability. Place the child on their side, time the duration, and seek medical evaluation. Never immerse a child in a cold or ice water bath, as rapid chilling triggers shivering, which raises the internal core temperature further and can induce shock.
Eclampsia in pregnancy¶
A pregnant woman past 20 weeks of gestation who develops a seizure is suffering from eclampsia, a life-threatening manifestation of preeclampsia: - Critical emergency: Eclampsia impairs maternal cerebral perfusion and causes placental abruption, threatening both mother and fetus. - Action: Call emergency services immediately. Position the pregnant woman on her left side to prevent the heavy gravid uterus from compressing the inferior vena cava and restricting blood return to the heart. Hospital treatment requires urgent intravenous magnesium sulfate.
Seizure safety and preparation checklist¶
- Identify medical alert jewelry: Check wrists, neck, or wallet cards for emergency medical information and emergency contact phone numbers.
- Install seizure safety applications: Individuals with epilepsy can wear commercial smartwatches that detect repetitive clonic shaking and automatically send GPS distress alerts to family members.
- Safe bathing practices: Never take immersion tub baths if you have a seizure disorder; take showers with flat, zero-threshold drains and non-locking bathroom doors.
- Maintain consistent medication adherence: Never abruptly stop taking prescribed anti-epileptic medications (such as levetiracetam, lamotrigine, or carbamazepine), as sudden cessation triggers rebound status epilepticus.
First aid certification
Hands-on first aid training with the Red Cross, St John Ambulance, or regional emergency training providers provides direct practice in lateral recovery positioning, airway maintenance, and pediatric emergency response.
Frequently asked questions¶
Can a person swallow their tongue during a seizure?¶
No. It is an anatomical impossibility to swallow your tongue. The tongue is anchored to the bottom of the mouth by a band of tissue called the lingual frenulum. While the tongue can relax and temporarily block the airway when someone is lying flat on their back after a seizure, turning the person onto their side in the recovery position completely resolves the obstruction.
Why shouldn't I put a spoon or wallet in someone mouth during a seizure?¶
Never put any object into the mouth of someone having a seizure. During a convulsion, jaw muscles contract with immense crushing force. Forcing an object between their teeth can break teeth, cut the gums, dislodge tooth fragments that block the airway, or amputate your fingers. Keep the mouth clear and do not attempt to pry it open.
At what exact minute does a seizure become life-threatening?¶
At the 5-minute mark. Most normal convulsive seizures stop on their own within 60 to 90 seconds. If an active convulsive seizure continues for 5 full minutes, it is classified as status epilepticus. At this stage, the brain natural mechanisms to stop the seizure have failed, and the continuous electrical firing causes progressive brain damage and heart strain. Emergency medical services must be called immediately.
What should I do if a seizure happens in a swimming pool or bathtub?¶
Support the person head and keep their mouth and nose completely above the water surface until the active shaking stops. Do not attempt to haul a heavy, violently convulsing person over a high pool edge alone, as this risks head trauma. Once the shaking ends, extricate the person from the water immediately onto dry ground, place them on their side, and call emergency services. Anyone who has a seizure in water must be checked at an emergency hospital for water inhalation.
How can I tell if someone is recovering normally after a seizure?¶
After the shaking ceases, the person enters the postictal phase. It is completely normal for them to be deeply asleep, snoring loudly, confused, or unable to remember what happened for 10 to 30 minutes. As long as they are breathing normally on their side and gradually becoming more alert over time, they are recovering properly. If they do not begin to wake up after 15 minutes, or if another seizure begins, call for emergency medical help.