Face pain
Facial edema
Facial paralysis
Facial swelling
Fainting
Fasciculations of muscle
Fast deep breathing
Fast shallow breathing
Fat - obese
Fatigue
Fecal incontinence
Feeding - lack of interest
Feeling uptight
Female sexual dysfunction
Fetal teeth
Fever
Finger pain
Finger swelling
Fingernail abnormalities
Fingernail hemorrhage
Fingernails - bluish
Fingers - pale
Fingers that change color
Flank pain
Flaring of the alae nasi (nostrils)
Flatulence (flatus)
Floating stools
Floppy
Fluid-filled conjunctiva
Flushing
Focal neurological deficits
Fontanelles - bulging
Fontanelles - excessively large
Fontanelles - sunken
Foot pain
Foot spasms
Foot swelling
Foot, leg, and ankle swelling
Forgetfulness
Foul-smelling stools
Frequent bowel movements
Frequent or urgent urination
Frigidity
Frontal bossing
Funnel chest