02/16/2026
February Post
Late Winter and Spring Rashes.
Had a patient present with a scaly red rash last week. Turns out he was worried he may have Measles. Didn’t want to spread it to grandkids, family or friends.
With the Big Measles outbreak in SC, that seems valid. The hard part was explaining how I was sure it wasn’t measles, but a benign skin rash. A lot of this goes to pediatric rashes and some seen on adults.
To review the rashes we will start with the Big 6 pediatric rashes and review some Bonus adult rashes.
1. First disease. Measles from Rubeola virus. Preventable with a vaccine. Red flat patches and bumps that begin on head and spreads.
2. Second disease. Scarlet fever from Strept throat. Sandpaper rash on the abdomen. Treatable with antibiotics.
3. Third disease. Rubella/German measles. Rubella virus. Lighter colored red patches and bumps.
Preventable with a vaccine. Starts behind ears and spreads.
4. Fourth disease. Now pretty much ignored. Felt to be very mild red patchy rash from Staph infection. Severe form is Staph scalded skin syndrome. Treatable with antibiotics.
5. Fifth disease. Erythema infectiosum. Parvovirus B-19. Slapped cheek rash. Variable lacy to papular rash on arms. Resolves on its own. Causes arthritis in adults.
6. Sixth disease. Roseola infantum. Human Herpes
Virus 6 or 7. High 3 day fever that resolves with a faint pink patchy rash on neck that spreads. Resolves on its own. Sometimes called baby measles.
Other rashes.
1. Hand, Foot, and Mouth disease. Viral rash from Cocksackie A virus. Oval vessicles and small blisters on mouth and bottom. Later spread to hand and feet. Resolves on its own.
2. Chicken Pox. Varicella virus. Vessicles and blisters on face and trunk that spreads to extremities. Very itchy rash. Resolves on its own.
Preventable with vaccine.
3. Papular purpuric gloves and socks syndrome.
Causes by variant Parvovirus B-19. Hands and feet turn red and have small and mid size bruising. Can be painful rash. Resolves on its own.
4. Laterothoracic exanthem. Mostly seen on small children. Associated with Ebstein Barr virus, and sometimes COVID-19. Eczema like patches with scales and seen under arms and on side of the chest. Resolves on its own. Average age is two. Affects girls twice as often as boys.
5. Papular acrodermatitis of childhood. Gianni-Crosti syndrome. Commonly seen on face elbows and knees of 6 month olds to 12 years old. Was thought to be related to Hepatitis B. Now more associated with Enterovirus. Resolves on its own.
6. Pityriasis rosea. Classic Fir tree pattern rash on the back. When the doctor is lucky, has a Herald Patch on the abdomen first. Last associated with HHV-6. Resolves on its own.
COVID-19 has its own special rash with multiple skin features. Can be measles-like patches, or faint blisters, and sometimes target like patches on arms and legs. Resolves with time.
There you go. 12 rashes to memorize and impress all of your friends. Most will go away within a month of presentation. Which is why all Dermatologists, like to see our referrals, about 4-6 weeks after we see them. Should be gone, or it will be gone on another week.
Thanks. Hope this helps someone.
Dr. H