So there you have it! The 6 P’s of Lichen Planus.
Purple – This rash often takes on a purplish hue.
Pruritic – Lichen planus is often itchy.
Polygonal – The rash can consist of geometric looking shapes.
Planar – Lichen planus is often “flat-topped.”
Papules – Raised bumps.
Plaques – Larger than papules, these are raised as well.
Keep in mind that lichen planus can take on many forms though, and while the 6 P’s mnemonic works for most forms of lichen planus on the skin, the rash can present differently as well and can also show up in the mouth, genital area, and scalp.