When your child develops a rash, it can be concerning and leave you inquiring. Many factors can result in a rash, ranging from a minor skin irritation to an allergic reaction or even a medical condition. Knowing what’s causing the rash will enable you to react appropriately.
A rash is usually not serious, but it’s important to know when it might need to be seen by a doctor. Occasionally, prompt intervention can stop pain from getting worse or rule out more serious conditions. Knowing the typical causes and remedies will enable you to assist your child in recovering more quickly.
This post will discuss the potential causes of a rash and the actions you can take to treat it, providing you and your child with peace of mind.
- What kind of rash is there?
- Features
- What to do if detected?
- Probable causes
- Non-infectious
- Allergic reaction
- Prickly heat
- Various diseases
- Infectious
- Chickenpox
- Rubella
- Herpes infection
- Measles
- Bacterial infections
- Hint for parents
- Treatment
- Video on the topic
- If a rash appears after an antibiotic, it may be mononucleosis? – Dr. Komarovsky
- Rashes in children, what to do!
- What to do if a child has a rash?
What kind of rash is there?
Many factors should be considered in order to understand the reasons behind the rash’s appearance on the baby’s body, including the child’s age, living circumstances, and aspects of hygienic care, as a rash on the body does not always signify the start of a disease.
As a result, all skin rashes are typically classified as:
- infectious (caused by viruses, bacteria, fungi);
- non-infectious (caused by external factors that are not related to diseases).
By eye, it can be challenging to differentiate between the two; other symptoms need to be considered as well.
The idea of the rash itself is also very extensive. It may appear as colorless or red bumps, pustules, blisters with liquid inside, red or pink spots, or pink spots with peeled pieces.
Erythema, or inflamed tissue, may encircle the rash. The mother must also observe whether the child has isolated rashes or if they frequently combine to form larger lesions. Rashes on a child’s skin can develop suddenly, without any other indication of a potential illness, or they can enhance the symptoms of an existing condition. Hence, a herpetic rash may develop on the body in conjunction with a specific kind of sore throat.
Features
A rash in a baby can develop suddenly, as many mothers of young children have observed. It can abruptly vanish as well. In fact, a child’s skin is extremely sensitive to both internal and external stimuli. This can be explained by the fact that children’s skin is significantly thinner than adult skin, more wet, and better supplied with blood.
Children’s vessels are more permeable, so scratches and wounds heal more quickly, but lesions of the epidermis and deeper skin layers also manifest themselves more quickly and easily.
Nothing is unimportant when it comes to a child’s skin’s wellbeing. Children most commonly react to skin rashes; other factors that may be involved include synthetic clothing, dry air in the room, excessively strong soap used to bathe the baby, and even food allergens.
The immunity of children is not perfect. The mother’s innate immunity provides some protection to the child during the first six months of life, but after that point, the child is more vulnerable to bacterial or viral infections. This does not imply that up to six months of age, babies do not get contagious rashes. Furthermore, protection from maternal immunity is not always guaranteed.
One’s own immunity, which includes immunity to certain pathogens locally, develops gradually as one "gets acquainted" with them. It is ideal for this meeting to occur in a treatment setting, where the child is immunized against the most serious illnesses. If not, when a person is ill, their immune system is trained "in combat conditions."
Children frequently get rashes because of their weakened immune systems and thin, vulnerable skin. Even though not every rash indicates a medical condition, it’s still advisable to be ready for the worst.
It’s crucial to remain composed and evaluate the situation if your child breaks out in a rash. Look for any additional symptoms that may be associated with the rash, such as fever, swelling, or trouble breathing, as these could point to a more serious problem. The majority of the time, common conditions like heat, allergies, or infections are the cause of rashes, which are easily treated at home with moisturizers or antihistamines. To make sure your child receives the proper care, it is best to see a doctor if the rash doesn’t go better, is painful, or spreads quickly.
What to do if detected?
When the child wakes up with a rash covering their body, you should carefully inspect their skin, determining the rash’s size, location, and distribution. You should also take note of any pustules or blisters that may be present.
They then start evaluating the baby’s overall health. They take his body temperature, look at his tonsils, see if his nose is breathing, and see if there is pain in his throat.
If you notice any uncomfortable symptoms, you should contact a doctor at home right away. Going to the clinic with a child is irresponsible because most infections that start this way are highly contagious and children who could get sick will be in line to see a pediatrician.
In addition to the rash, if the child is under one year old and his temperature is higher than 39.0 degrees, you should call for an ambulance right away.
As long as there are no painful symptoms and no other suspicious symptoms aside from the rash, the parents should keep a close eye on their child. Does the child scratch, or does the rash itch?
He is most likely experiencing an allergic reaction if he is itching. This is where young mothers’ diaries, in which they record every meal their child consumes each day, come in useful.
You ought to examine your child’s diet for the previous week or so. The truth is that allergies typically manifest themselves gradually; in other words, the child may have consumed food or taken medication several days prior to the rash developing.
Treatment will be much simpler if you know the specific allergen. You should restrict all allergenic foods, including tangerines, oranges, lemons, red berries, nuts, some types of sea fish, cocoa, chocolate, smoked meats, and fatty dairy products, if a diary is not kept and it is impossible to recall what the infant consumed.
In order to maintain healthy skin, parents should try to bring the baby’s room’s temperature back to normal. A temperature of 19–21 degrees Celsius and a relative humidity of 50–70% are ideal.
If the rash is caused by prickly heat, this will help it go away quickly and completely. If the rash is caused by an allergy or infection, on the other hand, this climate will aid in the child’s recovery and lessen the chance that the inflamed areas of the skin will dry out, which will increase the risk of a secondary bacterial infection because microbes are just waiting for the child’s skin to get damaged.
A child with a rash cannot be washed in hot water. It is preferable to avoid using any soap or detergents while receiving treatment.
Once the rash is evident, you should make sure the child is only wearing clothing made of natural materials, that it is sufficiently loose, that it does not rub or touch the areas affected by the rash, and that it does not result in further mechanical trauma or irritation.
You should also contact a clinic doctor or make an appointment with your own pediatrician if the rash does not improve in 24 hours without a fever or if it starts to get worse or new symptoms appear. It’s likely that the child will require an allergist or dermatologist consultation before receiving a prescription for special therapy.
Probable causes
Non-infectious
Allergic reaction
An allergy rash can appear practically anywhere on the body. It typically affects the face, chest, back, arms, and legs in children. It is heterogeneous on the outside; nodules, bumps, and even vesicles may be present.
Urticaria is a nearly colorless rash that resembles nettle burns and usually goes away quickly. An allergic reaction rash that is red and pink tends to get bigger. Elements can combine with one another. The skin is rough with a pale rash that is hardly noticeable.
Such rashes are almost always the result of consuming foods that trigger allergies, taking certain medications, or coming into contact with potentially harmful substances like animal hair or plant pollen (like meadow grasses).
A child’s new mother perfume, body cosmetics, laundry powder used to wash the baby’s clothes and underwear, and even a toy that you just received from someone else may cause rashes if the child has a genetic predisposition to allergies.
The typical symptoms of allergy rashes include itching and rough skin. Other signs of the body becoming sensitized include headache, fever between 37.0 and 37.5 degrees, nausea, and diarrhea.
It is not thought that these symptoms are necessary, and 90% of infants with allergic dermatitis do not exhibit the listed clinical symptoms.
Prickly heat
It is incorrect to believe that babies in their first year of life are the only ones who have this issue. Since a child’s skin differs structurally from an adult’s until they are 9 to 10 years old, prickly heat can also affect older children.
Children’s sweat glands have smaller ducts, making it harder to remove sweat when it accumulates. As a result, inflammation and clogged sweat glands arise. The only ways to prevent such unpleasant rashes in children are to take steps to lessen their perspiration.
A rash with prickly heat can be small to medium in size, red, white, or pink, and it frequently resembles large erythema with red spots. Large inflammatory fragments are frequently formed when individual rashes rapidly combine.
Prickly heat typically manifests in areas of the body where sweat glands are overactive and produce more sweat, such as the scalp, underarm pits, skin folds, and perineum.
Similar rashes on the chest and upper back may also occur if the child perspires excessively. The elements of prickly heat quickly become pale and vanish when exposed to fresh air.
Various diseases
Many illnesses of the internal organs and systems can also result in a rash on the body. Thus, a child may develop a rash along with frequent diarrhea and frequent dyspepsia.
There are some autoimmune diseases, like psoriasis, that are always accompanied by rashes. For this reason, it’s critical to assess the child’s overall health, take note of any unusualities in his wellbeing, and, if the rash isn’t brought on by prickly heat or allergies, you should take your child to see a dermatologist who can help determine the actual cause.
A rash that develops into an outward sign of an underlying illness is not communicable and poses no threat to other people.
Infectious
Children frequently get rashes on their bodies from a variety of viruses and bacteria. In addition, up to 90% of pediatric illnesses are caused by viral lesions. While it is evident that not all viral diseases result in rashes, certain common childhood illnesses do cause rashes.
Chickenpox
The herpes virus is the cause of this highly contagious illness. The rash initially appears as pink spots anywhere on the body due to its extensive nature. However, a few hours later, vesicles—watery blisters—form in the center of the spots, followed by nodules. The blisters were easily broken, revealing a dry crust underneath.
Every 12 to 24 hours, the cycles of elemental existence are renewed, resulting in the appearance of new red spots and the subsequent repetition of the formation of vesicles and their opening, causing new rashes to appear "in leaps."
Knowing that you have chickenpox is not too difficult because the rash has a fairly typical herpes course. The child also has a high body temperature, joint and muscle aches, and a general feeling of malaise.
All or some of the symptoms of an acute viral infection, including a runny nose and cough, may manifest.
Rubella
As with all viral diseases, the rash doesn’t show up until a few days after the incubation period ends, which is understandably unexpected. Rubella can be suspected based on how the rash moves; it initially appears on the face before swiftly spreading to the body.
From an aesthetic perspective, the rash appears as pink, flat spots that barely change over several days before starting to fade and finally going away completely, leaving no trace on the skin. Smaller pieces often combine to form larger, flattened pieces.
Additional symptoms could be a fever (above 38.0 degrees), runny nose, headache, cough, or a "brokenness" feeling.
The child is not bothered by the rash in the slightest and it doesn’t hurt or itch.
Herpes infection
This group comprises a number of illnesses brought on by various herpes virus kinds. Since chickenpox is so common in children, it was covered separately. It is also necessary to discuss other illnesses.
Herpes type 2 in the genital area, cytomegalovirus infection, Epstein-Barr virus, and herpesviruses of the sixth and seventh types can all cause pimples that develop into watery vesicles.
When a person has genital herpes, their lower body is affected, including their buttocks, groin folds, and external genitalia.
Rashes from a cytomegalovirus infection can spread to other parts of the body.
The herpes virus type 6, which causes roseola infantum or sudden exanthema in children, is frequently virtually unknown.
This disease’s rash only appears three days after the illness begins, which usually coincides with a high temperature (above 39.0 degrees), sometimes accompanied by a cough and runny nose, but more often not.
The baby’s temperature drops precipitously on the third day, and a severe rash resembling pink or reddish spots of varying sizes appears on the baby’s body 12 hours later. After a few days, the rash disappears and fades.
Since the appearance of the rash is typically attributed to the manifestation of a skin allergy to antipyretic drugs, which the baby’s loving parents gave him in shock doses for the three days prior, even pediatricians struggle to diagnose "roseola infantum."
Only on the back may a striped herpes rash occur; in that case, it will be diagnosed as shingles.
In any case, parents shouldn’t freak out because, despite being contagious, herpes rashes and infections are not as serious as many people think.
Measles
This is another viral illness that can cause a child’s body to break out in rashes. The infection’s "culprit" is the paramixovirus. Since the virus enters the body through the air, the child first experiences throat pain or runny nose. Afterwards, a mild rash appears on the mucous membranes, and only then does the entire body rapidly collapse.
The rash appears as white dots in the early stages, then it changes color and eventually disappears, leaving behind pigmented spots that gradually fade away.
Bacterial infections
It is highly probable that a staphylococcal or streptococcal infection will manifest if the child develops rashes on their body that initially resemble nodules before developing purulent heads.
Any area of the body can develop a rash; a specific site of dislocation is not typical. Pustules hurt deeper components and produce uncomfortable sensations. They also itch. Both erysipelas of the skin and scarlet fever, which is accompanied by a rash, can be brought on by bacteria.
Nearly all bacterial infections are marked by a high fever and a severe course.
Hint for parents
In addition to using their vast personal experience, doctors are able to visually distinguish between a wide variety of rashes.
Laboratory diagnostics assist doctors in complex cases where the answers to questions are not immediately apparent. These diagnostics enable the identification of a specific type of virus or bacteria in blood and in the contents of skin blisters and pustules.
In all situations, a doctor should be contacted if the rash develops after several days of fever and temperature, if it is accompanied by vomiting or diarrhea, or if it is accompanied by fever and signs of an acute respiratory viral infection.
It’s also a good idea to get a child under three years old’s rash checked out by a doctor.
To help parents visualize the specific symptoms their child is experiencing, here is a quick "cheat sheet" for differentiating between rashes:
- Erythema, the appearance of nodules and tubercles, "crusts" – most often an allergy.
- Red dots, vascular "stars" on the body, watery rash, inflamed papules – most often a viral infection.
- External and subcutaneous pustules – most often a bacterial infection.
- Itchy bumps on the abdomen and thighs, on the arms – most often scabies.
- A profuse red small rash with extensive erythema in the folds of the skin – prickly heat.
- Spots with abundant grayish or silvery peeling on the outer side of the flexor limbs – most often psoriasis.
- A combination of red spots, watery blisters and a small rash in one place – most often eczema.
- Single elements located far from each other, around which inflammation is observed – most often a local allergy to insect bites.
Treatment
Treatment for non-infectious rashes involves removing the rash’s underlying cause. As a result, the hygiene regimen is modified in prickly heat. The child is bathed with a decoction of calendula or chamomile only in warm (not hot!) water.
Depending on the type of lesion, the affected skin is treated with different ointments and creams ("Sudocrem") for weeping erythema and emollients (baby cream, Bepanten, Panthenol) for dry hardened crusts formed during the healing stage.
Dietary modifications are necessary for allergic rashes; allergens should be avoided. Parents should also work to limit their child’s exposure to any substances that may pose a risk for allergic reactions.
The child is also prescribed age-appropriate dosages of antihistamines, including suprastitin, tacegil, and loratadine.
Local application of antihistamine-acting ointments is possible. If relief from a severe allergic rash does not materialize a few days after treatment begins, hormonal medications are prescribed orally ("Prednisolone") or as an ointment ("Advantan").
If a link is found between the onset of a spontaneous rash and certain internal illnesses, as well as helminthic invasions, the underlying illness is treated while the child is also given prescriptions for hormonal ointments and antiseptics to treat the rash locally.
Since the rash in this situation is typically just the body’s allergic response to worm waste products, antihistamines are prescribed to the child in the event of a severe helminthic invasion.
Treatment for viral infections causing skin rashes usually consists of bed rest, drinking lots of water, taking vitamins, and treating symptoms; for example, antipyretic medications (Paracetamol) are used for fever, nasal drops are used for runny noses, and gargling is used for sore throats.
There’s no need to apply any lubricant to the rash. The exception is chickenpox, where the rash is so severe that there’s a chance the child will get a secondary bacterial infection through open skin wounds. This explains why brilliant green is typically applied to chickenpox rashes.
Antiviral medications, whether in tablet, drop, or ointment form, have no discernible impact on the illness and do not expedite healing.
Herpesvirus diseases are an exception, for which you can locally apply "Acyclovir," an ointment designed expressly to weaken herpes viruses. It does, however, help to reduce irritation and itching around the herpes vesicles, even though it does not significantly hasten healing.
Antibiotics are needed to treat bacterial infections. When a doctor learns not only the precise microbe causing the rash but also the kinds of antibacterial medications that the microbe is susceptible to, the results of laboratory diagnostics are used to prescribe a particular medication.
Local antiseptic and antibiotic ointments treatments are adequate for small skin lesions. If the lesions are quite large, the doctor might recommend oral antibiotics. Antifungal ointment is necessary for fungal lesions, and it’s frequently necessary to take antifungal medications orally for a strict 12- to 14-day period at the same time.
The application of specific ointments that eradicate parasites is necessary for the treatment of parasitic rash, such as scabies.
Step | Action |
1 | Stay calm and observe the rash. Note its size, color, and any other symptoms. |
2 | Check for other symptoms like fever, itching, or discomfort. |
3 | Keep the child away from potential irritants, such as harsh soaps or certain fabrics. |
4 | Apply a gentle, hypoallergenic moisturizer to soothe the skin. |
5 | If the rash persists or worsens, consult a pediatrician for a proper diagnosis and treatment plan. |
6 | Follow any advice or medication prescribed by the healthcare provider. |
7 | Monitor the rash and overall health of the child closely. |
When your child develops a rash, it’s critical to act promptly rather than becoming alarmed. Numerous factors, ranging from minor irritations to more serious conditions, can result in a rash. Examining the rash closely and recording any additional symptoms your child may be experiencing, such as fever or swelling, is the first step.
Try using over-the-counter creams or relaxing baths as at-home remedies if your child appears well and the rash is mild. However, it’s best to seek medical advice from a professional if your child exhibits symptoms of illness or if the rash gets worse.
As a parent, you should always trust your gut. Do not be reluctant to seek medical attention if something doesn’t seem right. Being cautious and gaining peace of mind are preferable to jeopardizing your child’s health by delaying too long. You can help guarantee your child’s comfort and well-being by acting quickly.