First aid: Pre-class activities

After this, follow up with a dry, sterile dressing or adhesive bandage.
For treatment, submerge the burn in water or apply cool, wet cloth until the pain subsides, then cover with a sterile gauze pad.
Insect bites are extremely common in the outdoors, and sometimes unpreventable due to the time you normally spend outside on a camp out or backpacking trip.
Wash the wound with antiseptic and apply antibiotic ointment after the removal is complete.
Chigger bites are almost unnoticeable until after they drop off of your skin, so treatment is pretty much just applying lotion to treat the immense itching sensation that their bites generate.