How long do blisters from hand foot and mouth last

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Common questions our doctors are asked

Is HFMD dangerous for pregnant women?

HFMD is not known to pose a risk to pregnant women or their unborn babies.

My child still has blisters. Can she return to school?

If the fluid in the blisters has dried, then it is safe for your child to go back to school.

Hand, foot and mouth disease is a common childhood illness that can also affect adults. It usually gets better on its own in 7 to 10 days.

Check if it's hand, foot and mouth disease

The first signs of hand, foot and mouth disease can be:

  • a sore throat
  • a high temperature
  • not wanting to eat

After a few days mouth ulcers and a rash will appear.

How long do blisters from hand foot and mouth last
Ulcers appear in the mouth and on the tongue. These can be painful and make it difficult to eat or drink.

Credit:

Hercules Robinson / Alamy Stock Photo https://www.alamy.com/stock-photo-vesicle-on-tongue-of-child-with-coxsackie-a16-virus-infection-hand-12876583.html?pv=1&stamp=2&imageid=E0442865-9287-42AE-A268-26DB0F32DA91&p=18517&n=0&orientation=0&pn=1&searchtype=0&IsFromSearch=1&srch=foo%3dbar%26st%3d0%26pn%3d1%26ps%3d100%26sortby%3d2%26resultview%3dsortbyPopular%26npgs%3d0%26qt%3dhand%2520foot%2520and%2520mouth%26qt_raw%3dhand%2520foot%2520and%2520mouth%26lic%3d3%26mr%3d0%26pr%3d0%26ot%3d0%26creative%3d%26ag%3d0%26hc%3d0%26pc%3d%26blackwhite%3d%26cutout%3d%26tbar%3d1%26et%3d0x000000000000000000000%26vp%3d0%26loc%3d0%26imgt%3d0%26dtfr%3d%26dtto%3d%26size%3d0xFF%26archive%3d1%26groupid%3d%26pseudoid%3d%26a%3d%26cdid%3d%26cdsrt%3d%26name%3d%26qn%3d%26apalib%3d%26apalic%3d%26lightbox%3d%26gname%3d%26gtype%3d%26xstx%3d0%26simid%3d%26saveQry%3d%26editorial%3d1%26nu%3d%26t%3d%26edoptin%3d%26customgeoip%3d%26cap%3d1%26cbstore%3d1%26vd%3d0%26lb%3d%26fi%3d2%26edrf%3d0%26ispremium%3d1%26flip%3d0%26pl%3d

How long do blisters from hand foot and mouth last
Raised spots usually appear on the hands and feet, and sometimes on the thighs and bottom as well. The spots can look pink, red, or darker than surrounding skin, depending on your skin tone.

Credit:

sinsy / Alamy Stock Photo https://www.alamy.com/allergic-rash-skin-of-babys-right-foot-hand-foot-and-mouth-disease-image333897813.html

How long do blisters from hand foot and mouth last
The spots become blisters which appear grey or lighter than surrounding skin and can be painful.

Credit:

Scott Camazine / Alamy Stock Photo https://www.alamy.com/ulcer-in-hand-foot-and-mouth-disease-in-a-4-year-old-boy-image3361429.html?pv=1&stamp=2&imageid=8B2A7E44-B651-433D-957E-AF02E3FF727C&p=9949&n=0&orientation=0&pn=1&searchtype=0&IsFromSearch=1&srch=foo%3dbar%26st%3d0%26pn%3d1%26ps%3d100%26sortby%3d2%26resultview%3dsortbyPopular%26npgs%3d0%26qt%3dhand%2520foot%2520and%2520mouth%26qt_raw%3dhand%2520foot%2520and%2520mouth%26lic%3d3%26mr%3d0%26pr%3d0%26ot%3d0%26creative%3d%26ag%3d0%26hc%3d0%26pc%3d%26blackwhite%3d%26cutout%3d%26tbar%3d1%26et%3d0x000000000000000000000%26vp%3d0%26loc%3d0%26imgt%3d0%26dtfr%3d%26dtto%3d%26size%3d0xFF%26archive%3d1%26groupid%3d%26pseudoid%3d%26a%3d%26cdid%3d%26cdsrt%3d%26name%3d%26qn%3d%26apalib%3d%26apalic%3d%26lightbox%3d%26gname%3d%26gtype%3d%26xstx%3d0%26simid%3d%26saveQry%3d%26editorial%3d1%26nu%3d%26t%3d%26edoptin%3d%26customgeoip%3d%26cap%3d1%26cbstore%3d1%26vd%3d0%26lb%3d%26fi%3d2%26edrf%3d0%26ispremium%3d1%26flip%3d0%26pl%3d

The symptoms are usually the same in adults and children, but they can be worse in babies and children under 5.

It's possible to get hand, foot and mouth disease more than once.

If you're not sure your child has hand, foot and mouth disease

Look at other childhood rashes.

Information:

Hand, foot and mouth disease has nothing to do with foot and mouth disease that affects farm animals.

How to treat hand, foot and mouth disease yourself

You cannot take antibiotics or medicines to cure hand, foot and mouth disease. It usually gets better on its own in 7 to 10 days.

To help the symptoms:

  • drink fluids to prevent dehydration – avoid acidic drinks, such as fruit juice
  • eat soft foods like yoghurt – avoid hot and spicy foods
  • take paracetamol or ibuprofen to help ease a sore mouth or throat

A pharmacist can help with hand, foot and mouth disease

Speak to a pharmacist for advice about treatments, such as mouth ulcer gels, sprays and mouthwashes, to relieve pain.

They can tell you which ones are suitable for children.

Find a pharmacy

Non-urgent advice: See a GP if:

  • your symptoms or your child's symptoms do not improve after 7 to 10 days
  • you or your child has a very high temperature, or feels hot and shivery
  • you're worried about your child's symptoms
  • your child is dehydrated – they're not peeing as often as usual
  • you're pregnant and get hand, foot and mouth disease

Hand, foot and mouth disease can be spread to other people.

Check with your GP surgery before going. They may suggest a phone consultation.

How to stop hand, foot and mouth disease spreading

Hand, foot and mouth disease is easily passed on to other people. It's spread in coughs, sneezes, poo and the fluid in the blisters.

You can start spreading it from a few days before you have any symptoms, but you're most likely to spread it to others in the first 5 days after symptoms start.

To reduce the risk of spreading hand, foot and mouth disease:

  • wash your hands often with soap and water – and children's hands too
  • use tissues to trap germs when you cough or sneeze
  • bin used tissues as quickly as possible
  • do not share towels or household items like cups or cutlery
  • wash soiled bedding and clothing on a hot wash

Staying off school or nursery

Keep your child off school or nursery while they're feeling unwell.

But as soon as they're feeling better, they can go back to school or nursery. There's no need to wait until all the blisters have healed.

Keeping your child away from other children for longer is unlikely to stop the illness spreading.

Hand, foot and mouth disease in pregnancy

Although there's usually no risk to the pregnancy or baby, it's best to avoid close contact with anyone who has hand, foot and mouth disease.

This is because:

  • having a high temperature during the first 3 months of pregnancy can lead to miscarriage, although this is very rare
  • getting hand, foot and mouth disease shortly before giving birth can mean your baby is born with a mild version of it

Speak to a GP or your midwife if you have been in contact with someone with hand, foot and mouth disease.

Are blisters the last stage of HFMD?

The final stage of the illness is manifested by small, tender red spots that progress to blisters in the mouth, palms of the hands, soles of the feet, and less frequently on the arms and legs, as well as the buttock and genital areas.

How do you get rid of hand foot and mouth blisters?

There's no specific treatment for hand-foot-and-mouth disease. Symptoms of hand-foot-and-mouth disease usually clear up in 7 to 10 days. A topical oral anesthetic may help relieve the pain of mouth sores.

How do I know if HFMD is getting better?

A: Generally, you or your child may return to work or school once your blisters have dried up and all your symptoms have cleared. You can do these four checks to ensure that you or your child is fit to return to work or school: Check for fever. Check for blisters on palms of hands and arms.