A physician assistant (PA) practices medicine under the direction of a physician. As members of healthcare teams, PAs: 1  take medical histories, 2  examine and treat patients,3  make diagnoses, 4  prescribe medications, 5  assist in surgery, 6  counsel patients and. physician assistant (PA) practices medicine under the direction of a physician. As members of healthcare teams, PAs: 1  take medical histories, 2  examine and treat patients, 3  make diagnoses, 4  prescribe medications,
Look for these signs and symptoms: 1  Changes in appetite. If your baby refuses several feedings in a row or eats poorly, contact the doctor.  Changes in mood. If your baby is lethargic or unusually difficult to rouse, tell the doctor right away.
You can often treat a cold without seeing your GP. You should begin to feel better in about a week or two. Check if you have a cold. Cold symptoms come on gradually and can include: blocked or runny nose; sore throat; headaches; muscle aches; coughs; sneezing; a high temperature (more than 38C in adults, 37.5C in children) pressure in your ears and face