Mouth Sores in One Year Old.

Updated on September 16, 2009
E.E. asks from Omaha, NE
13 answers

Last week on Wednesday I noticed my son had a sore on the tip of his tongue. I thought it was a result of him biting his tongue the day before so I really didn't think much of it. Then on Friday he was running a low grade fever and I saw a couple more sores in his mouth. After doing my own research I self diagnosed it as Hand Foot and Mouth. He ran a low grade fever on Saturday too but has not had one since then. He is super grouchy, not eating the best and STILL 7 days later has sores in his mouth. He doesn't have any other sores anywhere else. I know there is nothing they can do for Hand Foot and Mouth but I am just wondering if anyone has experience with it, can the sores last this long? I am not opposed to taking him in to the doctor but I am also not one to run there every time my child exhibits a little illness. I am just looking for people with experience with a child with mouth sores. Thanks.

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answers from Milwaukee on

Hand foot and mouth would cause a child to have blisters not only in their mouth but on their hands and feet as well. 7 days later and only breaking out in their mouth doesn't sound normal to me. I would take the child into the Dr. to see what is really going on.

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answers from Minneapolis on

My 2.5 year-old had HFM last month. It's awful--mainly because, like you said, there's not a whole lot you can do for them. The biggest pain for me was the quarantine; he had sores for almost 10 days, so we couldn't go to any social things, and if I took him out in public, I had to be super careful. As for the pain, our ped recommended using children's chloraseptic spray. (Or oragel, but that was harder to apply, especially to all the little sores--and can interfere with swallowing.) We used it at night (when the pain would keep him up) and right before eating, so it would numb things a little. We did a lot of ice water (the colder the better) frozen blueberries, sherbert, pudding, jello, etc. For about a week, his nutrition wasn't the greatest, but we wanted to keep him hydrated and he wasn't that hungry anyway.

There are two different opinions about contagiousness. Our doc says that when the mouth sores go away, they are no longer contagious, whereas my other son's school says they can go back to school 24 hours after the fever subsides regardless of the sores. Good luck!!



answers from St. Cloud on

OH I sympathize with you - both my daughters had that this summer. My Oldest had it waaay worse than the younger. I gave her tylenol to ease her pain, but she had a HUGE sore on her tongue that lasted for at least 10 days. She ate popsicles and pudding for a long time. If he is in severe pain, your doctor should be able to perscribe a pharmacy concotion of benadryl and would use a syringe to spray it around the inside of your sons' mouth to create a soothing coating that will make him feel better. My other daughter responded well to some orajel on the few sores she had. Good luck, and just hunker down and give your little man lots of hugs & attention!!!!



answers from Minneapolis on

The sores you are describing sound more like canker sores to me - especially if they are on the front of the tongue. My son has had hand foot mouth when he was about 9 months old. It was horrendous - I got to see what those sores look like in the way back of his throat and they were huge! Same son now also has (he's 20 months) canker sores in the front area of his mouth. He's got about 5 of them. I called the clinic and left a message for the doctor. His nurse called me back and said some kids are just more prone to them and he may grow out of it or he may not. I asked her what I can do to make him more comfortable and she said the doctor prescribes the following:

Numsit - it's a teething thing, but it helps numb the sores
Bensecane (sp)

she listed several others, but I can't remember them off the top of my head. The Benedryl has helped our son sleep at night.

When we had been at Urgent Care with him for an ear infection he had a canker sore then too - and that doctor told me to

mix equal parts Maylox and Benedryl and take a cotton swab and dab that mixture on their sores. Do not let them drink this mixture.

Anyhow - hope this helps.

e-mail me if you have any more questions



answers from Minneapolis on

Hi E.,

My dtr at the age of 18month old developed something similar to that, but they called it "herpangina" (kind of sounds like an STD). Anyways, similar to hand/foot/mouth virus. She had a few mouth sores and poor eating for about week. she developed a low grade fever for one day also. However, afterwards she developed what they call "reactive arthritis" in her knee (basically the infection in her mouth got into her bloodstream and antibodies formed, but started attacking healthy knee tissue instead). Not to worry, this was a very rare case and she's totally fine now (just had to have IV antibiotics for a little while). Again what happened afterwards was rare, but what your child may have is that Herpengina? It may be worth checking out. It's ok to be on the cautious side. Good Luck.



answers from Minneapolis on

My son had hand foot mouth when he was just under a year. He ran a very high fever for about two days and then the soars in his mouth lasted for about 3-4 days. We just alternated tylonal and motrin and tried to keep liquids in him so he didnt get dehydrated. It was not a fun thing to go thru. He had a little rash on his hands, feet and chest to but it was hardly noticable. The doctor noticed it. There isnt much you can do but it is very contagious so if he is in daycare you can not bring him till hes better. I would definatly bring him to the doc to make sure that is what it is and not something else. If it is hand foot mouth and he is contagious you should let others know who youve been in contact with. Good luck, its a tough thing for a little one to go through.



answers from Rochester on

I just wanted to respond to the one that wrote it is not HFM because it would be on his hands and feet also. That is not correct - HFM can appear in the mouth only. Here is a link to the CDC regarding this:

Just make sure to wash his toys very well...



answers from Minneapolis on

Hi E.! When my son had that as a baby he was put on antibiotics and it went away. He had little blisters in his mouth and on his hands. I might be worth a trip to the doctor. Even though my son is now 16 I remember those sores being painful for him. Good luck! J.



answers from Milwaukee on


My daughter had what sounds to be this same thing when she was your child's age. Our doctor diagnosed it as Herpangina. The name sounds like Herpes but it's not it's a nasty virus that couldn've been picked up on a grocery cart, and it's like a bunch of blisters in the mouth and on the toungue. It took my daughter about 14 days to clear her mouth I believe and you're right, there's is nothing that can be done for it. I remember it being so painful for my daughter.

Hang in there and look up Herpangina and see if that has the symptoms, it's similar to Hand Foot Mouth but it's not.




answers from Omaha on

First of all, it is NOT hand, foot & mouth, because he would have sores on hands & feet also. My 22 month old son has had this twice, right before he starts getting more teeth. I took him to the dr. with it and it's basically like a canker sore outbreak before teething. He gave us an antibiotic to try if it got worse and we didn't use it because it went away within a couple of days. Good luck!



answers from Dubuque on

My almost 2 yr old daughter had this about mid-August. I thought for sure it was going to be hand foot mouth but after seeing 2 docs the second one called it Stomatitis. It causes fever and canker sores in the mouth. The other symptom that my daughter had as well though was terrible body aches. She didn't even want to stand up for the first 24 hours or so. I think that's what made it a little more difficult for the first doc to identify. Any way the doctor ended up telling us to use a syringe to get Benadryl on the sores and also to use Anbesol for numbing. It took a few days and a VERY bland diet but she got over it!

My daughter is getting about 4 teeth right now too and I thought it was interesting what another post said about this preceeding new teeth!

Good luck to you!



answers from Minneapolis on

My son has had the sores twice but had nothing on his hands or feet. Both times we went to the doctor and they prescribed Tylenol with codeine to help him sleep. We only gave it to him 1 or 2 nights so he could get some sleep and went with the mildest dose possible. It was a virus similar to hand, foot & mouth. His sores probably took about 4 days to go away.He didn't eat much but drank a lot and activity was fairly normal. I would recommend getting him checked out though just for peace of mind.



answers from Fargo on

My son was 3 when he had Hand Foot and Mouth. The sores lasted a couple of weeks in his mouth. He had just a few on his hands. We did not give him anything for it. He ate a lot of soft foods and I made smoothies for him that he could sip through a straw so it would go past the sores. We did not go into the dr, we just called to make sure they didn't want us to come in. He was supposed to stay away from other kids, I just can't remember how long he was contagious.

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