Is texture normal for week 5 on tret 0.025%?

i started on tret 0.025% on feb 25 (lol i marked the exact date) + a depigmenting cream containing niacinamide + lactic acid i believe both prescribed by my dermatologist. i am also on 3x a week azithromycin 500mg for a total of 7 weeks.
i had a major acne flare between dec- feb - inflammtory acne that would bleed as well. Otc products + mild dose doxycycline didn’t do much from my previous derm so i went back to my family derm who gave me this routine of tret

i definitely saw some improvement in my red pie marks within 2-3 weeks and my inflammatory acne stopped . I am using it daily in cream form as my skin seems to tolerate it well without any peeling or dryness - i am very oily naturally+ in humid environment, my dr prescribed daily use as well

the past 2-3 days i have been noticing some texture on my forehead (prone to clogged pores) and cheeks (main acne zone) and a few purge bumps here and there that go away within 1-2 days

i am worried if this is normal progress / part of purge or something wrong with my barrier especially since most people here don’t use everyday for a while . I don’t seem to have any irritation from the tret or my basic products.