Hand-Foot-Mouth vs. Roseola: Telling the Rash Apart

How do the options compare?

The comparison below weighs mainstream OB guideline standing, the depth of the pregnancy evidence base, dosing clarity, expected onset, and interactions worth flagging to your provider.

• Hand, foot, and mouth disease typically causes fever, sore throat, and painful mouth sores that blister, along with a rash of flat or slightly raised red spots, sometimes with blisters, most often on the palms and soles and occasionally on the buttocks, legs, and arms. 1
• For hand, foot, and mouth disease, fever and other flu-like symptoms typically appear 3 to 5 days after exposure, and the illness is usually mild, resolving within 7 to 10 days. 2
• Roseola causes an abrupt high fever, often above 104°F (40°C), that lasts several days and then breaks suddenly. The rash of small rose-pink spots appears only at that point, beginning on the trunk and spreading to the neck and upper limbs with little involvement of the face. 3
• Most spread of the virus that causes roseola happens through saliva and respiratory droplets before the rash appears, meaning the fever phase, not the rash phase, is when a child is most likely to pass it to others. 3
• The roseola rash is usually pink or rose-colored with small, slightly raised spots that do not itch, and it lasts anywhere from a few hours to 2 to 3 days before fading on its own. 4

Which option makes sense?

The options above differ in their evidence, limitations, and suitability. Inclusion in this comparison is not a recommendation. Please consult your healthcare provider before making a decision based on these findings.

Disclosure: Pregnancy Smart makes pregnancy supplements, though not in this category. This comparison is a plain description of the pregnancy evidence, not a sales page.