: Some patients develop facial hyperpigmentation (darkening), particularly around the center of the face, similar to symptoms seen in Chikungunya.
: Intense breakouts on the back and shoulders are common during the convalescent phase. 3 : Dengue Fever / Acne
: Dengue itself can cause a secondary rash 3 to 6 days after the initial fever. While usually flat (maculopapular), these "raised bumps" can be mistaken for acne by patients. 3 : Dengue Fever / Acne