To get advice
To give advice in a certain subject.
Seek their opinion
I would consult a doctor as for it may mean infection. (not all the time) but consult a doctor just to play it safe.
It could mean many things, consult with your doctor.
Consult the works of paracelsus, the man who coined the term
In means your asking a black elder for advice
Nothing, if you don't want it to. Otherwise, consult a dictionary.
Consult your doctor for the answer...
It's possible they have a respiratory illness. Consult your veterinarian about this.
It means that you have some trouble with the engine, and should consult a mechanic.
No, there has been an injury or infection. Consult your vet.
Probably a sinus infection - consult a doctor or a pharmacist.
That rather depends on what sort of person you are. Consult a professional psychologist.