verb
complain
kuhm-PLAYN/kəmˈpleɪn/
To say that something is wrong or unsatisfactory.
The restaurant customer complains politely to the server about the cold food.

Etymology
Plangere evokes beating the breast in grief, with com- perhaps adding emphasis. This physical expression of suffering became lamenting, then expressing grievances, dissatisfaction, or pain.
In context
for the most part you're going to see something like this a patient could also complain of loss of sense of taste
More examples
- She complains that her apartment is too cold.
- We complained to the manager about the noise.
- He does the extra work without complaining.
Forms
complain · complains · complained · complaining
complaint noun — A statement that something is unsatisfactory.
complainer noun — Someone who often expresses dissatisfaction.