8.1.11 Headache attributed to use of or exposure to other substance

Description:

Headache occurring during or soon after, and caused by, use of or exposure to a substance other than those described above, including herbal, animal or other organic or inorganic substances given by physicians or non-physicians with medicinal intent although not licensed as medicinal products.

Diagnostic criteria:
  1. Any headache fulfilling criterion C
  2. Exposure has occurred to a substance other than those described above
  3. Evidence of causation demonstrated by both of the following:
    1. headache has developed within 12 hours of exposure
    2. headache has resolved within 72 hours after exposure
  4. Not better accounted for by another ICHD-3 diagnosis.
Comments:

8.1.11 Headache attributed to use of or exposure to other substance includes headache caused by herbal, animal or other organic or inorganic substances given by physicians or non-physicians with medicinal intent although not licensed as medicinal products. It has been reported after exposure to a number of other organic and inorganic substances. The following are most commonly incriminated:

Inorganic compounds:
arsenic, borate, bromate, chlorate, copper, iodine, lead, lithium, mercury, tolazoline hydrochloride.

Organic compounds:
aniline, balsam, camphor, carbon disulfide, carbon tetrachloride, chlordecone, EDTA, heptachlor, hydrogen sulfide, kerosene, long-chain alcohols, methyl alcohol, methyl bromide, methyl chloride, methyl iodine, naphthalene, organophosphorous compounds (parathion, pyrethrum).

The characteristics of 8.1.11 Headache attributed to use of or exposure to other substance are not well defined in the literature, and almost certainly vary with the agent. In most cases it is dull, diffuse, continuous and of moderate to severe intensity.