For example, in a situation that has maybe been stressful or tiring, a friend offers you a gin and tonic. You say 'Ah! Just what the doctor ordered'.
It's as if your doctor has ordered you to do something to make you better.
exactly what is wanted or needed
The expression "just what the doctor ordered" is equivalent to "perfectly fitting" or "just what is needed." Exactly what the "doctor ordered" will of course depend on the context in which the phrase appears.
Tanked - 2011 Just What the Doctor Ordered 5-2 was released on: USA: August 2013
The Ford Television Theatre - 1952 Just What the Doctor Ordered 1-28 was released on: USA: 9 April 1953
What the Doctor Ordered - 1912 was released on: USA: 5 August 1912
What the Doctor Ordered - 1913 was released on: USA: 18 July 1913
echocardiogram
Perscription is an order for a medicine.
That's a perfect question for the doctor who ordered the test. It's his job to fill you in on why he ordered it, and on what the results mean for you. He has already billed you for this job. Now you must remind him to do it.
Katts and Dog - 1988 What the Doctor Ordered 4-11 is rated/received certificates of: Canada:PG USA:PG
An ultrasound is ordered if the radiologist sees a suspicious area on your mammogram. Often this is dense tissue, but, still, you should follow up rather than taking the order casually.
Joseph D'Amore has written: 'Just what the doctor ordered diabetes cookbook' -- subject(s): Recipes, Diet therapy, Diabetes
I would consult a doctor as for it may mean infection. (not all the time) but consult a doctor just to play it safe.