Get a stress Ball…let him squeeze that while watching tv .or something that keeps hands busy…
He will grow out of
It
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I know it’s not great to bite your nails. However I didn’t know it was a big deal
We had horseradish put on our fingernails
Fidget toys for the hands or a chewy. Look up sensory toys on Amazon there are a lot of great ideas to get that extra sensory this little is looking for😉
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Try Chewelry. Silicone jewelry made to chew. My son liked to chew pens, legos, silicone bracelets, cords, whatever was in his hand while he was watching TV would end up getting gnawed on. He didn’t even notice he was doing it. I would reprimand him for chewing on something and he would get so upset because he said he didn’t notice he was even doing it and he couldn’t control it. I was constantly saying “get that out of your mouth” and he would stop, stunned for a minute because he wouldn’t even realize what he was doing until I pointed it out. This was around 8-9 years old. I got him the lego one and a shark tooth one. It was something safe to chew that I wouldn’t yell at him for and he was wearing it and fidgeting with it all the time so it was easily accessible. After a few months he stopped. I don’t know if it was a phase or if he was struggling through some anxiety and needed an outlet or what, but it was a good tool for us to give him something to safely chew without harming his teeth or whatever he had in his hand.
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I used to catch my son doing it at times… I noticed it about 5 or 6… when I would see him do it, of course I would tell him not to do it and he would stop that moment but once I turned my back it continued. Then one day instead of telling him no, I decided to educate him on why I was telling him no… I decided to talk about the germs/feces/bacteria that are in your nails… I also showed him pictures of what his nails could look like if he continues… I showed him nails that were infected, nails that were distorted due to biting… and I asked him if that’s what he wanted his nails to look like… he was like no way… that’s ugly… he never bit his nails again… and he just turned 9 this week. If he sees his step brother, who’s older bite his nails… my son comes running to tell me… lol… What worked for my son may not work for everyone/child… however, I feel like the word NO isn’t always enough to change behavior, I feel like educating them as to why they shouldn’t do something helps them to understand why you want them to stop… good luck momma… parenting isn’t easy and at times I wish there was a manual to raising children… just don’t give up… and reinforce good behavior… 
I bite and picked my nails for over 25 years. I started at 3 and basically never stopped. I’m sure if my mom had tried to do something to stop it I would have gotten better with it sooner rather than later… I had to obstain for hours then days then it gets easier to stop
Tiana Walker Chloe Dalton who would have thought i may have had anxiety all these years?
I’m 33 and nothing has ever worked. I’ve tried everything. Nail bitter stuff. Cutting short. Its an anxiety thing (along with twirling my hair when its down) but I usually don’t bite where it hurts or going to cause my nails to stop growing and what not.
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I did it my whole life until I started dental school at 23. I’m now almost 36. Once I learned and seen all the germs on our hands and especially under our nails that was it for me. I also showed/taught my 10 and 8 year olds and they wash their hands twice as much now and my 10 year old stopped biting as well. I didn’t think that would work on her but it did. Good luck
I’m 23 years old and just got aryclics for the first time ever. I still have this edge to bite my finger nails but I can’t because their fake now. It probably won’t help you but it’s nothing I struggle with my entire life, I literally chew at my fingers until they bleed then chewed around them 
the pain from it didn’t stop me. Watching TV made it 100% worse! My point is, he may never grow out of it. I didnt and if I didn’t have my nails done rn, I’d still be chewing them 
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Get something called Bite X. It is like clear nail polish and tastes terrible. I used it to quit biting my nails when I was about 34.
I just now at 40 stopped biting my nails! It was a self soothing thing for me. I bit them down to very small sliver of nail lovingly referred to by my family as nubs. If it isn’t posing a true issue why is it so important to stop it.
Could be linked to anxiety? I do the same thing except I’m 23. Not to long ago I got this No bite nail polish, it goes on clear and tastes terrible! It doesn’t last very long though between washing hands and what not though so you have to stay motivated to keep re applying. It’s the closest thing I’ve gotten to stopping 
You can also try fidget toys or things to keep the hands occupied so you’re less likely to do it. After doing it for so long sometimes you can’t even tell you’re doing it so try not to be to hard on him during the process.
I’m almost 30 and still bite my nails off and on.
It’s an anxiety thing unfortunately.
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Try fidget toys. It’s not his mouth that needs distraction ita his fingers
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I have 2 that do, I do as well. 
NIXXIT nail biting treatment works for us or just try putting nail polish remover on them that tastes disgusting 
Chew gum or buy that clear nail polish made to stop nail biting it supposedly tastes horrible so after a while they’ll stop trying to bite their nails cause the taste is disgusting
Try putting nasty flavours on his fingers so he wont do it
It seems to run in the family. My SO does it. And my 3yo has started doing it. 
Give him something to fidget with that he can chew if he feels the need.
Maybe have him wear gloves? Fidget stuff for his fingers, stress balls, therapist for anxiety.
I’m 35 and still bite my nails. I had stopped myself for the longest time but then I had a stillborn. My life has gone to the crapper since so I’m not as worried about my nail biting as I used to be. He’s the one that’s got to make the mental choice to figure out his patterns and if he wants to stop.
You could try a range of different fidget toys to try and keep his hands busy
In all honesty, from personal experience, you’re never gonna ‘make’ him stop biting his nails. I only stopped a year ago at 28yrs old and that was because I chose to. It usually stems from a place of anxiety or stress and even with those things managed, it’s just one of those habits that he’ll eventually grow out of. It’s completely harmless unless he’s biting his skin off too and causing wounds
I am 28 years old…and still bite my nails it’s a hard habit to break. . Even cutting them doesn’t help…just means there is less to chew. I wouldn’t worry about it so much… along as they are not biting skin… I wouldn’t worry about it too much
Im 26 and still bite my nails, i do it when im anxious or bored. I stopped a few years ago for a few months but stress got too much and i started again. Its not easy to stop at all x
Following my 8 Yr old daughter does it and its that short I’m worried they may get infected if she carries on
You can buy chewable items and fiddle toys specifically for this as they’re often used for kids with ADHD or ASD. Might be worth a try - Google “sensory chew toys” or “sensory fidget toys”. You can get necklaces, bracelets and all sorts 
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You can get special nail polish that’s clean but tastes horrible
My 12 year has bitten his nails for ages. We tried the polishes & hot sauces and all the other mess… none of it helped. He does it out of nervousness and anxiousness.
My son does this, he also chews on his shirt sleeves at school! It’s anxiety for him so we let him chew on straws, and his teachers provide him with straws at school it has really helped a lot! He doesn’t eat the straws just chews on them!
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I was a nail biter until I hit about 25 years old. It started because of nervousness when I was little. I had to consciously break the habit. I had to get manicures and even put a rubber band on my wrist and would snap it when I caught myself chewing. It’s not easy to correct a habit you dont realize you have. Maybe try some fidget toys he can have in his hand when he’s sitting on the couch watching tv or when hes bored. My daughter who has anxiety uses fidget spinners and bubble pop toys and it really helps!
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I done that when I was a young child, it was an anxiety thing but my mum bought a certain nail polish, it had “stop” in the name, painted my nails with it and when i went to bite or chew, it was poison. And I stopped. Lol 
So I was a nail biter until I became an adult. That was my tick for whenever I feel anxious. My nails are super short now and I can’t really get them to grow. I’ tried everything to stop biting them but NOTHING worked until I decided that my fingers physically hurt. If I were you, I would speak to your pediatrician because it definitely sounds like your child has anxiety and that is a way that he copes with his anxiety. Please, please, please speak to his doctor about this now and don’t wait by trying to fix it with other ticks just yet. Get to the bottom of why he is doing this first. It will be so helpful and beneficial to him 
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Anxiety. Talk to your family doctor to find ways and skills to teach him to handle it when it arises. Hand hobbies, stress toys, knitting, coloring, drawings, etc. I wouldn’t bite my nails or skin around, I would pick with my fingers. I also, developed alopecia when I was 7 years old. Stress & anxiety caused it. I was dealing with a lot of issues around school at that age.
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Instead of keeping his mouth busy, try keeping his hands busy. My older brother was always fidgity with his hands. My mother taught him how to crochet to keep his hands busy while watching TV.
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My son has stress relief gummies that help him to stop biting his nails
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Some kind of sensory/fidget toy to give him something to do with his hands. It is anxiety and it becomes a subconscious thing to do. Just look online for them and keep a small bucket near him.
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Been doing that since I was a kid and later grew up to realize it’s a way to deal with anxiety.
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Everyone says it’s anxiety but I’m a chronic nail biter and I’ve found it is some sort of hormonal or nutrient deficiency. I have stopped both when pregnant and when on a diet with a ton of supplements but I never figured out which supplement, or combination of supplements, triggered me to stop. It was really odd to me but made me realize it’s not just from anxiety - I’m not really an anxious person anyway.
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I bite/pick my nails when I’m anxious and bored. Standing in line or in between errands. A fidget spinner actually helped a latte! Tapping your fingers on something is helpful but I also clean for work so my hands are almost always a mess.
Dip the tips of fingers in vinegar. It will taste awful and vinegar is a natural cleaner to keep bacteria from under their nails out of their mouth. It took me maybe a week of dipping his fingers in vinegar twice a day and he stopped chewing them. He was 6 then but it helped tremendously because when he stopped chewing his fingers (he had no nails left) he started building and he automatically changed the habit on his own to something he preferred to do more than taste it.
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I’ve done it my entire life, pretty sure it’s anxiety related so maybe a deeper issue to work on besides just the nail biting.
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No Bite from Ella and Mila, I bit my my nail for 25 years and I bought this nail polish and now I have beautiful nail. My 7 year old daughter bite her nails, I used the same stuff. The polish taste horrible sound deters them from chewing. I 100% it works!! Good luck
So the asshole way to do it that worked for my parents of 6 kids is put hot sauce on their finger. Jus enough that they’ll take their finger out of their mouth. But it worked.
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Following for tips. 23 and been doing it my whole life. Its so bad i not only bite my nails off but i eat my skin an tear off my cuticles. My fingers are a bloody mess. Please help 
Honestly I’d try getting him something like this to replace the nail biting. If he’s doing it while watching netflix/TV, sounds like he just needs something to keep his mouth busy while he’s sitting still. Amazon has a ton of different options.
My daughter has bit her nails since she was a baby and she’s 15 now and still does it. And I have tried everything!!! Lol. Don’t stress about it. It’s not going to kill them.
It sounds like his nerves(mind). Get something for him to fidget with, fidget toys, like a fidget spinner.
Its because he is anxious… Try redirecting to something else
Talk to his doctor about possible anxiety.
I had to want to stop myself, i started sitting on my hands because those idle moments were when i picked at mine. It worked for me, i was 10.
I cut my son’s nails every couple of days and spent more 1 on 1 time with him.
Fidget spinners or something else to bite on helped me a bit for awhile. I’m almost 27 and have been biting my nails out of anxiety or boredom pretty much my entire life.
I’ve done it my whole life and my only way is acrylics.
But for my daughter I got her into using cuticle oil so there’s nothing thick or a hang nail etc that attracts her to wanting to pick. And she had fidget toys. The new ones are I believe poppers. There shaped as whatever shape and have bubbles that you pop on one side and flip and pop again. It’s helped. I try to keep her nails and cuticles as well managed as possible. And I’ve found she will leave them alone.
Get a chewy necklace or bracelet from Amazon
Different context my boys are autistic and need them or then chew EVERYTHING but it’s a comfort or anxiety thing with my two and I bought chewy necklaces stopped the fingers getting the short end of the deal xx
My son is 8… And unfortunately he has anxiety and can’t help it. Only time it slows down is if he’s busy.
FIDGET TOYS ARE BEST! They are helping my 7year old son and he bite to where they are ugly short shit. . . . Anyways get the Keychain poppers and it helps alot. … 
Nail biting is a type of several things such as anxiety, a horomines deficiency, a vitamin deficiency.
I’m 28 and still do it… never been able to stop and tried a ton of things!
He will need to do it himself. My sister and I did this and we both stopped in our late teens, early 20’s.
I’m 49 and still bite mine. I’ve tried everything!!
Tea tree oil in a roller bottle onto fingers and finger nails. Helps to stop nail-biting for the taste plus heals fingers etc. Helped my son who would end up with infections around nails
Try a chewy necklace or bracelet
Sally Hansen has a nail bite polish that’s clear and tastes sooooo bad
Im 24 and im a chronic nail biter…nothing has helped me
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I bit my nails until I was 16 and that was because my aunt told me all the nasty stuff that could possibly be under my nails. Full disclosure though, in extremely stressful situations I still have bitten my nails
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It’s usually a sign of anxiousness before your child even knows what it is.
I was an adult before I finally stopped and was put on anti anxiety meds.
That being said I would consult with a Dr or a therapist before medicating him if you want to avoid that route.
They have nail polish that tastes nasty when u bite your nails. Maybe that will work.
My son did the same, get him a chewy it helps. Also I told my son he can get worms from all the germs under his nails.
Tbh I chewed on these or something similar until the habit stopped but I was also like 17.
It’s anxiety I’ve been doing it since I was about his age 
Not sure what to tell you - I’m 35 & try/tried everything & I bite straight through the yucky nail polish yeah it’s all freaking horrible.
I wish someone knew how to stop
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Dietary adjustments to heal the gut-brain connection and reduce stimulants, eliminate the screen time.
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I have been biting my nails all my life and so has my now grown son, I see nothing wrong with it, but if you keep his nails very short he will bite them until his fingers bleed and his nail beds get infected , it could be a.d.h.d., it’s not curable, if I don’t bite my nails I have to have something in my fingers to fidget with all the time
My great nephew does the samething and he is 12 and my 13 year old special need son does it also there nails are so short I dunno what there are biteing or picking I would ask your family doctor something might be wrong
It’s hard, honestly. I’m almost 24 and I’ve bitten my nails for as long as I can remember… it’s an anxiety thing for me.
My 10 year old still does it
Im 22 and still bite mine
Im 36 and stillllll bite my nails
So you have a nail biter. End of story.
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Chewing gum. That helped me. I chewed allot of gum and it helps sometimes.
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I’m in my 40s and still bite my nails. Usually when I am dealing with stress
A lot of times nail biting is from anxiety.
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I’m 35 and still a nail biter. Heck, I bite the inside of my mouth too. Bad anxiety. Boredom. 
I’ve tried it all. Nothing works for me.
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I have the same problem with my 7yo boy… except he mainly picks them. Just last night he was picking and got abit of nail stuck under his thumb nail and made it bleed. Have no clue what to do he’s done this for years I don’t think Iv needed to cut his nails since he was about 3-4
I’ve always bit my nails. The only time I don’t is with acrylic (back in the day), shellac or dip manicures.
My 8 yr old son was obsessed with chewing his clothes at the neck and sleeve. The school counselor recommended “chewlery” which helped.
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Hes anxious.
Nail biting is a symptom of anxiety, I struggled with it since I was at least 8 and just finally overcame it, mostly, at 25.
Its just something we hopefully outgrow or learn skills to help cope with the anxious feelings that trigger nail biting.
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He will stop when he stops keep home busy outside playing art activities fishing swimming etc
38 year old nail biter here 
I’ve tried everything over the years… it’s so ingrained in me that I do it without realising… i do it especially when I’m stressed or anxious… I have no advice EXCEPT please do not whack his hand away while he’s biting… it HURTS… also try not to point it out in front of ppl… the Shame & embarrassment it causes Will make him do it even more xx
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Sometimes you have to wait for them to grow out of it- I was a nail biter until my 20s (I’m now in my 40s) unless I’m dealing with some extreme anxiety (I have PTSD). My mom was a nail biter until her high school years. My 9yr old SPD kiddo with PTSD and anxiety has become a nail biter in the last year (major life changes happened) but before that, he used a chewy necklace to help with the biting/chewing
What about fidget / popper toys to keep his hands busy? I’ve bit my nails as long as I can remember but as I’ve got older it’s an anxiety thing x
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Dont try to stop him please as someone who used to nail bite. I was forced to stop biting my nails which transferred to me picking and scratching my skins so bad that it has left scars
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There’s this nasty nail polish type of stuff you can try and use, worth a shot.
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When you find out let me know
Sincerely a 29 y/o nail biter
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