- related to: what is the onset of roseola virus
www.medicinenet.com/roseola/article.htm#:~:text=Roseola is a mild contagious illness caused by,age, with the average age of 9 months.
- Roseola is a mild contagious illness caused by either one of two viruses. Characteristically, roseola has a sudden onset and relatively short duration. Roseola is most common in children 6-24 months of age, with the average age of 9 months.
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- Risk Factors
Roseola is a generally mild infection that usually affects children by age 2. It occasionally affects adults. Roseola is so common that most children have been infected with roseola by the time they enter kindergarten.Two common strains of the herpes virus cause roseola. The condition typically causes several days of fever, followed by a rash.Some children develop only a very mild case of roseola and never show any clear indication of illness, while others experience the full range of signs a...
If your child is exposed to someone with roseola and becomes infected with the virus, it generally takes a week or two for signs and symptoms of infection to appear — if they appear at all. It's possible to become infected with roseola, but have signs and symptoms too mild to be readily noticeable. Roseola symptoms may include: 1. Fever. Roseola typically starts with a sudden, high fever — often greater than 103 F (39.4 C). Some children also may have a sore throat, runny nose or cough along...
The most common cause of roseola is the human herpes virus 6, but the cause also can be another herpes virus — human herpes virus 7.Like other viral illnesses, such as a common cold, roseola spreads from person to person through contact with an infected person's respiratory secretions or saliva. For example, a healthy child who shares a cup with a child who has roseola could contract the virus.Roseola is contagious even if no rash is present. That means the condition can spread while an infec...
Older infants are at greatest risk of acquiring roseola because they haven't had time yet to develop their own antibodies against many viruses. While in the uterus, babies receive antibodies from their mothers that protect them as newborns from contracting infections, such as roseola. But this immunity decreases with time. The most common age for a child to contract roseola is between 6 and 15 months.
Occasionally a child with roseola experiences a seizure brought on by a rapid rise in body temperature. If this happens, your child might briefly lose consciousness and jerk his or her arms, legs or head for several seconds to minutes. He or she may also lose bladder or bowel control temporarily.If your child has a seizure, seek emergency care. Although frightening, fever-related seizures in otherwise healthy young children are generally short-lived and are rarely harmful.Complications from r...
Because there's no vaccine to prevent roseola, the best you can do to prevent the spread of roseola is to avoid exposing your child to an infected child. If your child is sick with roseola, keep him or her home and away from other children until the fever has broken.Most people have antibodies to roseola by the time they're of school age, making them immune to a second infection. Even so, if one household member contracts the virus, make sure that all family members wash their hands frequentl...
Symptoms of roseola appear about ten days after infection. The first sign of illness is a high fever (often above 103° F or 39.5° C). This fever can last from three to seven days. Once the fever goes away, a rash often appears on their stomach that may spread to their back, neck and arms.
Aug 30, 2018 · The most common symptoms of roseola are a sudden, high fever followed by a skin rash. A fever is considered high if your child’s temperature is between 102 and 105°F (38.8-40.5°C). The fever...
- Julie Marks
Dec 19, 2017 · A sudden, high fever is one of the first signs of roseola and when a person is most contagious. The fever can sometimes reach 105.0°F (40.5°C) and can last for 3 to 5 days. What are the causes?...
- Jayne Leonard
Apr 09, 2020 · Roseola is a viral infection caused by two common strains of the human herpes virus. Children between 6 months and 2 years old have the highest risk of contracting roseola, and the most common age for contracting roseola is between 6 and 15 months.
It may take 5 to 15 days for a child to have symptoms of roseola after being exposed to the virus. A high fever may start suddenly and may reach 105°F. A child is most contagious during the high fever, before the rash occurs. The fever lasts 3 to 5 days and then suddenly goes away.
What Are the Symptoms? A child may not have any symptoms for 5-15 days after getting the virus that causes roseola. When symptoms do appear, the first thing you’ll notice is a sudden, high fever...
- Signs and symptoms
Roseola is primarily caused by a virus called human herpesvirus 6 (HHV-6) and less commonly by human herpesvirus 7 (HHV-7). These viruses are different from the viruses that cause genital herpes and cold sores, although they belong to the same family of viruses. While roseola is spread from person to person, the exact mechanism of transmission is not well defined. Experts postulate that respiratory secretions are most likely involved. The incubation period between virus exposure and onset of symptoms (fever, etc.) is nine to 10 days
The signs and symptoms of HHV-6 (or HHV-7) infection vary depending upon the age of the patient. Infants and toddlers routinely will develop a sudden high fever that lasts for three to five days. In addition, irritability, swollen glands (lymph nodes) in the front or back of the neck, runny nose, and possibly mild diarrhea may be present. Within 12-24 hours of the fever breaking, a rash rapidly appears. The rash is mainly located on the neck, abdomen, and trunk/back but may extend to the extremities. The rash appears as separate, raised 3 mm-5 mm lesions (papules) or as similarly sized flat (macular) spots. The skin is mildly red in color and temporarily blanches with pressure. The rash is not itchy or painful. The rash is not contagious, and it lasts for one to two days and does not return.
While the seizure may look very frightening, it is usually quite harmless (benign). Febrile seizures are not associated with long-term neurological side effects or brain damage. Anticonvulsant medication is rarely prescribed either to treat or prevent febrile seizures. A very important responsibility is to keep calm and help the child to the floor and loosen any clothing around the neck. Turn the child on one side so saliva can flow from the mouth. Protect his head against the hard ground by use of a cushion or pillow. Do not put anything in the child's mouth. It is impossible to swallow your tongue. Children are often drowsy and desire to sleep following a seizure. After the seizure, you should contact the child's health-care provider to determine if your child should be immediately examined.
Since the diagnosis of roseola is generally made by the characteristic history and physical examination findings, laboratory studies and/or radiologic evaluation are rarely necessary. In the unusual case, laboratory testing exists to demonstrate elevation of antibodies to HHV-6 (or HHV-7). This may be necessary if the patient's immune system is compromised.
Prevention of roseola is difficult because during the incubation period (time between exposure to the virus and development of symptoms) the infected child is contagious but has no symptoms. General health awareness and avoidance of ill and febrile children will lessen the exposure risk to roseola and other infectious diseases. No vaccine exists to prevent roseola. Since this is a viral infection, antibiotics are of no value. Routine antiviral agents (for example, acyclovir) have minimal effect and are not recommended.
Over the years, roseola has had several different names including roseola infantum, roseola infantilis, and exanthem subitum. In the past, roseola was also called sixth disease, underscoring the fact that it was one of the six childhood viral skin infections, and the illness lasts for approximately six days. Other childhood diseases that were once known only by a numerical name include scarlet fever, measles, and German measles.
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