Acne may have a varied presentation, depending on the severity of your condition. These are described below.
1. Blackheads (Open comedones) occur when the clogged pore is open to the skin surface.
2. Whiteheads (Closed comedones) have a closed clogged pore
3. Papules or small red tender bumps, occur when the wall of the clogged pore breaks down due to inflammation.
4. Pustules or pimples arise when the papule gets filled with pus.
5. Solid, painful, large lumps underneath the skin are known as nodules and originate as a result of constant irritation to the papule.
6. Largest from of acne, i.e. cyst occurs due to severely infected clogged pore.