urgency

immediate; prompt; urgent

coping, handling

to deal with something; to cope with something

needed, necessary

need, necessity

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

Eggcorn of 対症療法 (taishō ryōhō).

necessary evil

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)