Table 3: Warning signs and symptoms—“New Sense.”

(i) New onset headache or change in pattern of chronic headache
(ii) Neurological signs, for example, seizures, focal deficits, gait disturbances, visual changes, slurred speech, and so forth
(iii) Meningeal signs
(iv) Fever
(v) Vomiting
(vi) Headache changing with posture
(vii) Thunderclap onset
(viii) Valsalva headache (headache triggered with Valsalva-type manoeuvres)
(ix) Trauma