adrenaline (epinephrine). A hormone of the adrenal medulla which, instilled in the eye, causes a constriction of the conjunctival vessels, dilates the pupil and diminishes the intraocular pressure. See adrenergic receptors; ocular decongestant; naphazoline; neurotransmitter; noradrenaline (norepinephrine).
For tinnitus with hearing impairment, press and massage the hollows behind both earlobes and the jawbone directly beneath the ears; and/or press on the gums behind the wisdom teeth with a pencil eraser, or bite down on a wad of cotton in the same location for several minutes. Do this once per day.
If carotid massage can be safely done, have the supine patient turn the head gently away from the side to be massaged. Gently palpate the carotid pulse just below the angle of the jaw. Massage the pulsation for 3-5 seconds by pushing in and back to compress the artery.