Lancing or draining the boil Don’t open a boil on your own because it is a painful procedure and the pus is very contagious. Once opened, the boil will drain pus for 2 or 3 days and then heal. Since the pus is contagious, the boil must be covered by a large 4 x 4 inch gauze bandage and tape. Change this bandage and wash the area with an antiseptic soap 2 times a day. Prevention of more boils Boils can come back.
http://www.summitmedicalgroup.com/library/pediatric_health/hhg_boils/
In most cases, boils need to drain before it starts healing. From its initial occurrence on your body skin, boils may take 3 to 4 days to burst, followed by drained contained pus. Only when it is completely drained that a boil and the skin around it starts to eventually heal.
http://woundcaresociety.org/long-boil-last
Boils may take from 1 to 3 weeks to heal. In most cases, a boil will not heal until it opens and drains. This can take up to a week. A carbuncle often requires treatment by your healthcare provider. Depending on the severity of the problem and its treatment, the carbuncle should heal in 2 to 3 weeks after treatment.
https://www.healthyhorns.utexas.edu/HT/HT_boils.html
Draining Boil Infection Treatment. A skin boil is caused by several bacteria such as Staphylococcus. They vary in sizes and are often warm and painful to touch. Before seeking medical treatment, first-aid treatment should be administered to the boils.
http://www.simple-remedies.com/home-remedies/boils/draining-boil.html
For treatment at home you can: Wash your hands and then put a warm, moist cloth on the boil or carbuncle for 10 to 15 minutes at least 3 times a day. This helps the boil come to a head and drain on its own--the safe way to drain. Once the boil begins to drain, you will have less pressure and pain.
https://www.healthyhorns.utexas.edu/HT/HT_boils.html
You can sometimes care for a boil at home. 1  Do not squeeze, scratch, drain, or open the boil. 2  Gently wash the area with soap and water twice a day. 3  Put warm, wet cloths on the boil for 20 to 30 minutes, 3 or 4 times a day.  Keep using heat for 3 days after the boil 1  opens. If the boil is draining on its own, let it drain.
http://www.emedicinehealth.com/boils-health/article_em.htm
Among things and procedures you should not do when promoting healing to a boil include: 1  Touching the affected skin region or worse, touching, rubbing, and picking directly at the boil. 2  Squeeze the boil to drain the pus forcefully. 3  Fail to keep the affected region clean.  Keep a drained boil opened to the air.
http://woundcaresociety.org/long-boil-last
How long a boil lasts. Boils are often painful. The skin covering and around the bump is tender, making it susceptible to skin breakage that may lead to further skin infection. Boils often occur in body regions that are humid and may last for some days to weeks to fully heal, depending on how severe the infection is.
http://woundcaresociety.org/long-boil-last
For treatment at home you can: 1  Wash your hands and then put a warm, moist cloth on the boil or carbuncle for 10 to 15 minutes at least 3 times a day. 2  If the boil or carbuncle is in your groin or on your buttock you can soak in a tub of warm water for 10 to 15 minutes.
https://www.healthyhorns.utexas.edu/HT/HT_boils.html
Draining Boil Remedies. A boil can start as an itchy, red, and painful lump. Little by little, the lump becomes firm and hard. Within a day, it is filled with pus. The lump becomes round with a yellow-white tip forming a boil. The center of the boil softens forming the pus’ head and eventually drains out of the skin. Most simple boils can be treated at home. The treatment must begin as soon as the boil is noticed to avoid complications and proliferation. Puncturing the boil at the right time is necessary to release the pus.
http://www.simple-remedies.com/home-remedies/boils/draining-boil.html
healing after boil drains
After the boil drains, it takes 1 to 3 weeks to heal. It takes 1 to 3 weeks to heal after boil drains.