Do:
Clear the area around the person seizing of all objects and people.
-When a person is seizing, you need to remove anyone who may be hurt by them and any objects that may cause more harm to them. The last thing you need is a seizing person with lacerations and a new patient.
Cushion under their head.
-Protecting their skull is vital to keeping their condition from getting worse. When you do this, try to have someone stay with them to help if they become conscious.
Wait for them to stop seizing before you try to help.
-ANYTHING you do to their body at this point will hurt them more and put you at risk. I only ever want one patient at a time. If it starts out at a higher number, it must stay at that number. Period.
Protect their dignity
-A lot of times during a seizure people will lose control of their bowels, and may need a fresh set of clothing. Try to keep others from coming over if they are not actively helping.
DO NOT:
Put anything in the person's mouth.
-Doing this will ONLY give the person something to choke on and no way to retrieve it.
Restrain them.
-When you deal with someone who is having a seizure you have to remember two very important things. 1) That person is spasming as hard as they are capable of without regard to their own safety or yours. 2) Holding them back adds extra resistance to their muscles to fight against. You could rip muscles, constrict airflow, or even snap bone by holding them down.
Give them food or water
-It's very difficult to deny someone water who was not feeling well, and our first instinct is to hydrate people who are sick. However, we need to make sure that this person will not begin seizing in the near future, and food/water will cut off their airway should that be the case. Wait a few minutes and see how they are.
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Remember that seizures are always caused by something, and in the event that you encounter someone seizing they need PROFESSIONAL medical help. Only a doctor can truly find out what is causing these episodes to happen. Although I wish I could tell you there were a cure-all for this condition, there is not.
If the person doesn't become conscious instantaneously, gently roll them onto their side so they can keep a good airway. Make sure to write down everything that happened during the episode, and how long it lasted. Did something trigger it? Make sure to reassure them that everything is okay, and explain what happened if they aren't sure. Have them stay still for a bit before they get up and move around. If they have a history of seizures, then it is not an emergency, but if they don't they need to be evacuated, but you can still take your time unless there are breathing problems.