Alcohol and epilepsy: what the sources say, and how to record drink, sleep and medicine for the doctor

A party is coming, or a seizure arrived the morning after, and you wonder what alcohol does with your epilepsy. Alcohol can raise the risk of seizures, mainly after large amounts at once and in the hours after. You can keep the evening, your sleep and your medicine for the doctor on paper or in the epilepsy program in Sam, a diary with a doctor report. There, a seizure you enter on the day sits next to sleep from Apple Health, when data exists. This text gives no drinking amount and no advice to drink; that belongs to you and your treatment team.

What do the sources actually say?

The honest answer is that the sources differ, and your own situation differs too. The UK charity Epilepsy Action says alcohol can be a seizure trigger for some people, that there is no safe amount for adults with epilepsy, and that the less you drink, the lower the health risks. Its seizure-trigger page adds that one or two drinks from time to time is usually fine for most adults, while larger amounts raise the risk, especially after you stop drinking. The US Epilepsy Foundation says a drink or two now and then does not raise seizure activity, but that the risk is higher after three or more drinks.

Both stress the time after drinking: the risk is higher especially once you stop drinking.

What did the Berlin survey find?

One often-cited study asked 310 adults with epilepsy about the past year (Hamerle and others, 2018). Two thirds, 204 people, had drunk alcohol. Of those, 37 people, about 18 percent, reported a seizure they linked to alcohol. All 37 had drunk a lot that day: at least 7 standard drinks, and about 13 on average. In the study a standard drink is 10 g of pure alcohol (1.25 UK units); a US standard drink is 14 g. In 95 percent of cases, the seizure came within 12 hours after the last drink. Seizures were more common in generalized genetic epilepsy and in people who usually drank heavily. About 41 percent of all 310 people said their doctor had advised them not to drink at all.

This is a study, not a limit. It relied on memory and self-report. The authors themselves note that seizures may also have followed smaller amounts, and only the seizure a person remembered best was counted. The figure describes a group, not you.

Why does the morning after matter?

Alcohol first calms the brain, and the sources agree the risk often rises as it leaves your body. Epilepsy Action says alcohol withdrawal seizures usually happen around 6 to 17 hours after you stop drinking. The Epilepsy Foundation places them roughly 6 to 72 hours later. These figures describe withdrawal after you stop drinking, not a rule for every evening. In the Berlin survey, the hours after the evening, including the next morning, were the window people described.

Lack of sleep is a separate trigger that tends to come with a long night. Alcohol also disrupts sleep, which adds to the risk, Epilepsy Action says. That is part of why the record below covers sleep and the morning after, not only the drinks.

Does alcohol affect my epilepsy medicine?

Medicine interactions are doctor territory, and this text does not enter it. What the sources stress instead is not to skip a dose. Epilepsy Action says alcohol can affect how well your epilepsy medicines work and can make side effects worse. It also says missing a dose can raise the risk of a seizure. It adds that alcohol can make you less likely to take your medicine the way your doctor told you to. Talk honestly with your doctor or pharmacist about alcohol.

What do I record for the doctor?

In the Berlin study, only a minority of people had documented details on alcohol-related seizures in seizure diaries. A short record closes that gap. It follows the study questions: how much, when you stopped, and when the seizure came. Add sleep, medicine and the morning after. The record judges nothing; it counts.

On paper, one row per evening is enough:

1. Date and the occasion.
2. Drinks by kind and amount, as you count them, plus the time of your last drink.
3. Food before or during, yes or no.
4. Sleep the night before and after, with times.
5. Medicine that evening and the next morning: taken or missed, with times. Change nothing without asking your team.
6. The morning after: any aura, twitching or seizure, with time and the gap since your last drink (under 6 hours, 6 to under 12, or 12 to under 24).
7. Who was there and what that person saw.
8. Anything else, like stress, a new medicine or illness.
9. One line for your neurologist.

Write it down soon after, while you remember. In Sam you mark a day with alcohol as yes or no, choose alcohol as a suspected trigger for a seizure, and keep discomfort on other days in the symptom diary. Your medicine log shows what you took, so you do not have to recall it at the appointment.

What should you do if someone has a seizure?

A single seizure is usually not an emergency, the CDC says. Do call the emergency number if a seizure lasts longer than 5 minutes, another follows quickly, the person has trouble breathing or waking, is injured, or the seizure happens in water. Use your local emergency number (112 in the EU, 999 in the UK, 911 in the US). Time the seizure, keep the person safe and on their side, and do not put anything in their mouth. If the person has never had a seizure before, call for help too.

Ask your treatment team these questions

The record gives you material, not answers. Take these along:

• Is there a recommendation on alcohol for my type of epilepsy, and what is it based on?
• Does it matter that my seizures tend to come after waking?
• How do I handle my medicine on an evening with alcohol, and if I miss a dose?
• Does my medicine mix with alcohol? A pharmacist may answer this too.
• When, after an evening, is a seizure a reason to call for help?

For the early weeks after a diagnosis and the questions to ask, see newly diagnosed with epilepsy: your first weeks. For the everyday rhythm, see living with epilepsy: sleep, routines and daily life.

Keep alcohol, sleep and medicine next to your seizures in Sam

Your seizures, the sleep around them and your medicine sit in one place, so your neurologist sees weeks of context instead of a single story. The epilepsy program gives you a diary with a doctor report for that.

• Instead of paper: a seizure you enter on the day sits next to your sleep from Apple Health, and you mark alcohol as a suspected trigger.
• Instead of memory: the doctor report as a PDF covers the period you choose.
• Instead of loose notes: your medicine log shows what you took, and you can set reminders for scheduled doses.

Sam does not judge amounts or advise on your medicine.

Try Sam Health

Sam is a wellness companion, not a medical device. The app does not diagnose, treat, cure or prevent any condition or health state. Always consult qualified professionals for medical decisions.

Related reading

• Festival or concert with epilepsy: flashing lights
• Living with epilepsy: sleep, routines and daily life
• Sleep and epilepsy: your triggers in view
• Newly diagnosed with epilepsy: your first weeks
• Sleep-Deprived EEG: How to Prepare and What to Ask

Sources

Updated: October 2026

• Hamerle M, Ghaeni L, Kowski A, Weissinger F, Holtkamp M: Alcohol use and alcohol-related seizures in patients with epilepsy. Frontiers in Neurology 2018;9:401
• Epilepsy Action: Alcohol and epilepsy
• Epilepsy Action: Seizure triggers
• Epilepsy Foundation: Alcohol as a seizure trigger
• CDC: First aid for seizures (last reviewed 15 May 2024)