Hand, foot, and mouth disease (HFMD) has no antiviral cure, so treatment is entirely about managing symptoms at home until the illness runs its course, typically within 7 to 10 days. The main challenges are controlling fever, relieving the pain from mouth sores, and keeping the sick person (usually a child) hydrated enough to recover smoothly.
Fever and Pain Relief
Over-the-counter acetaminophen or ibuprofen are the go-to options for bringing down fever and easing the soreness that comes with HFMD’s characteristic blisters. For children, dose by weight using the chart on the product packaging. Never give aspirin to children, as it carries a risk of a rare but serious condition called Reye’s syndrome. Adults can use whichever pain reliever they normally tolerate well.
Ibuprofen has a slight edge here because it reduces inflammation in addition to blocking pain, which can help with swollen, tender mouth sores. You can alternate between acetaminophen and ibuprofen if one alone isn’t keeping your child comfortable, spacing them so each medication stays on its own schedule.
Soothing Mouth Sores
The oral ulcers are often the worst part of HFMD, especially for toddlers who can’t understand why eating and drinking suddenly hurt. A few strategies help:
- Cold foods and liquids. Popsicles, cold smoothies, chilled milk, and ice chips numb the sores temporarily and sneak in fluids at the same time. These are often the only things a young child will accept willingly.
- Oral rinses for older children. A simple saltwater rinse (half a teaspoon of salt in a cup of warm water, swished and spit out) can reduce irritation. Kids old enough to rinse without swallowing can do this several times a day.
- Topical oral gels. Over-the-counter numbing gels designed for mouth pain can be dabbed directly on sores in older children and adults. For very young children, check the product’s age guidelines first.
- Propolis drops. A clinical study found that propolis, a natural bee product with anti-inflammatory properties, reduced restlessness, poor appetite, and sleeplessness in children with HFMD when given orally three times a day for seven days. It also shortened the overall duration of symptoms. This is available as an over-the-counter supplement, though it’s not a standard recommendation from most pediatricians yet.
Staying Hydrated
Dehydration is the most common complication of HFMD, and it happens simply because swallowing hurts so much that children refuse to drink. You need to get creative. Offer cool water, milk, or an oral rehydration solution in small, frequent sips rather than asking for big gulps. Some parents find that using a syringe to place small amounts of liquid toward the back of the cheek bypasses the most painful sores on the tongue and lips.
Avoid anything acidic: orange juice, lemonade, tomato-based foods, and citrus fruits will sting badly on open sores. Spicy and salty foods also irritate. Stick with bland, soft, cool options. Yogurt, applesauce, mashed bananas, and lukewarm broth are usually tolerable. If your child is still nursing or bottle-feeding, continue as normal since breast milk and formula count toward fluid intake.
Watch for signs of dehydration: fewer wet diapers than usual (or dark urine in older kids), dry lips, no tears when crying, or unusual sleepiness. These signal that oral fluids aren’t keeping up and medical attention may be needed.
Caring for Skin Blisters
The rash on hands, feet, and sometimes buttocks usually looks worse than it feels. The blisters are small, fluid-filled, and generally not itchy in the way chickenpox blisters are, though some children do experience mild itching. Leave blisters intact. They heal faster when they aren’t popped or picked at, and breaking them open creates an entry point for bacterial skin infections.
If itching is bothersome, an antihistamine (like the kind used for allergies) can help, and some pediatricians recommend this as part of standard HFMD symptom management. Keep nails trimmed short so scratching doesn’t break the skin. The blisters typically dry up and fade within a week, and some children experience peeling skin or even temporary nail shedding weeks later. This looks alarming but is harmless and the nails grow back normally.
Preventing Spread at Home
People with HFMD are most contagious during the first week of illness, but the virus can continue shedding in stool for days or even weeks after symptoms are gone. That long tail of contagion means hygiene matters well beyond the sick days.
Frequent handwashing is the single most effective measure. Wash with soap and water for at least 20 seconds after diaper changes, after using the bathroom, and before preparing food. The viruses that cause HFMD (coxsackievirus A16 and enterovirus 71 are the most common) are small, nonenveloped viruses, which makes them among the hardest to kill with disinfectants. Standard alcohol-based hand sanitizers are less reliable against these viruses than soap and water.
For surfaces like changing tables, countertops, and toys, you need a disinfectant that specifically works against enteroviruses. The EPA maintains a list (called List Q) of products registered to kill emerging viral pathogens including enteroviruses. Look for the EPA registration number on your disinfectant and check it against that list, or look for “enterovirus” or “rotavirus” on the product label. Products containing hydrogen peroxide, sodium hypochlorite (bleach), or peroxyacetic acid are common options. The key detail people miss: the surface needs to stay visibly wet for the full contact time listed on the label, which can be several minutes. A quick wipe-and-dry won’t do the job.
Don’t share cups, utensils, or towels with the sick person. Wash bedding and clothing in hot water. Try to keep siblings from sharing toys with the sick child during the first week, though in practice, household transmission is hard to prevent entirely.
Timeline of the Illness
HFMD follows a fairly predictable pattern. Fever usually comes first, sometimes with a sore throat and general crankiness, lasting one to two days. Mouth sores appear next, typically as small red spots on the tongue, gums, and inner cheeks that quickly become painful ulcers. The skin rash on hands and feet shows up within another day or two. Most children feel their worst around days two through four, and by day seven to ten, the sores have healed and energy returns to normal.
Adults can catch HFMD too, often from their own children. Symptoms tend to be milder in adults but the mouth pain can still be significant, and some adults develop painful blisters on their palms and soles that make walking and gripping uncomfortable for several days.
Rare but Serious Complications
The vast majority of HFMD cases resolve without any lasting effects. In very rare instances, the virus can cause viral meningitis, producing severe headache, stiff neck, and back pain alongside fever. Even more rarely, it can lead to encephalitis (brain swelling) or paralysis. These complications are most associated with enterovirus 71, which is less common than coxsackievirus A16 in most parts of the world.
Three vaccines against enterovirus 71 have been licensed in China, but none have been approved or prequalified for use elsewhere. Vaccines targeting other strains are still in development. For now, prevention relies on hygiene and careful management of outbreaks in childcare settings.