The phrase "to need a doctor" means to be sick or injured in such a way that medical attention is required. It can also mean being in poor health, unwell or having symptoms that require professional care and treatment from a physician.
Sentences with «to need a doctor»
Just as healthy people don't need doctors, righteous people don't need repentance. (redeeminggod.com)
We also need doctors who will prescribe the right medicine for the diagnosis. (scientificamerican.com)
I also need a doctor for my wife who won't listen to me and my experiments, it would have to be from a doctor telling her what to do. (jackkruse.com)