Below are the main rubriks (i.e strongest indications or symptoms) of Muriaticum Acidum in traditional homeopathic usage, not approved by the FDA.
Headache, as if the brain were torn or beaten to pieces; worse moving the eyes or sitting up in bed; better from moderate exercise.
Headache in spells regularly every day, from 9 A.M. until 1 P.M.; begins with soreness over left eye; then in eyeball and left half of nose, forehead and temple, to back of head.
Headache, as if brain were clasped by a hand and was being twisted and torn.
Steady, sharp pain in back part of head, with a heavy feeling, as if occiput were filled with lead.
Headache from walking in open air, especially in cold wind.
Distant talking causes headache.
Feels as if hair were standing on end.
Stiff and sore in occiput, worse when touched; on left side of head and down spine, worse on lying.
Tearing in the right parietal bone.
Heat on top of head.≡ more ...