Please choose the correct ending to complete the given sentence: Health: [header] How to lance and drain a blister [title] Assess the blister before choosing to drain it. [step] Not every blister needs to be lanced. In fact, some experts recommend that you should only drain blisters that are exceedingly painful, in weight-bearing or high-contact areas, or larger than 0.8 inches (2 centimeters) in diameter.

Ending1: [substeps] If the blister is intact and manageable, try to keep it intact. Apply a piece of moleskin, adhesive felt, or tape. Ending2: In these instances, you need to check the blister to determine if it needs a leak-proof drain. [substeps] See the " how to drain a blister " section of this article for instructions. Ending3: [title] Make a decision whether or not to drain the blister. [step] If the blister is very painful, medical sterilization is an option. Ending4: [substeps] There is no one right way to do this, so you have to be sure that you have the right technique. It is not as easy to clean a blister as to rinse with water and applying a sterile dressing.

Answer format: ending1/ending2/ending3/ending4