You should consult a physician.
The most extreme form is called severe cystic acne.
There is no over the counter acne treatment that is specific to cystic acne. If you decide to give OTC products a try you want to find products that contain benzoyl peroxide and salicylic acid. Some products may also have sulphur in them. It is best to see a dermatologist and get recommendations from them as cystic acne can be difficult to treat.
To treat cystic acne wash the area twice daily, using an antibacterial cleanser. Apply a thin layer of acne treatment cream to your cystic acne. Opt for a cream that contains benzoyl peroxide Also eat a healthy diet.
Cystic acne forms cysts, which could be the red bumps you experience. Cysts, specifically, are fluid or pus-filled cavities inside the bumps.
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Cystic Acne is caused by excessively oily skin and it's treated by trying to decrease the skin's oiliness. These start with taking particularly care to wash the skin properly and eventually if necessary you must seek a dermatologist's help. For a complete overview of the subject go to https://health.google.com/health/ref/Acne,
You can find information about holistic medicine for acne and cystic fibrosis on the following website: http://www.holisticonline.com/remedies/acne.htm. They have a lot of useful info.
Cystic Acne causes very deep, painful acne that can leave scars.
Laser acne treatments are not for everyone and can be uncomfortable and traumatizing for children. There are less drastic ways such as antibiotics to treat acne, and laser acne treatment is not suitable for people with skin conditions such as psoriasis or cystic acne.
I don't think there is any way to tell that. I personally have cystic acne and I get a cyst down there every few months.
It is serious when it is Cystic, which are hard pustules that need a dermatologist for removal. Also, acne in TEENS are serious, for TEENS are very sensitive about their appearance.
Moderate acne means that it as not a bad case, but not an easy case. Moderate acne is constant, it is more than a few pimples now and then. But it is not severe, the acne goes away with basic treatments and it isn't overly cystic.