This picture is a close-up of bullous lesions around the anus. The poison ivy rash, shown here on the forearm, may begin as an area of blister formation accompanied by stinging or itching. The blisters often appear in thin lines where the person has brushed against the plant. Crusting occurs as the fluid dries. Healing takes place generally within 2 to 3 weeks.
Sunburn can produce severe blistering and toxic symptoms.
This individual has developed blistering following excessive sun exposure. Individuals with brown eyes and a darker completion are able to tolerate more sun exposure with less damage. Trauma to the skin has caused fluid collection and bleeding, producing a red fluid-filled blister, or bulla. This is also commonly known as a blood blister. This picture shows bullous pemphigoid on the leg.