Below are the main rubriks (i.e strongest indications or symptoms) of Calc phos in traditional homeopathic usage, not approved by the FDA.
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Fontanelles remain open too long
Cranial bones soft and thin
Headache, Worse near the region of sutures, from change of weather, of school children about puberty
Headache, with abdominal flatulence
Head hot, with smarting of roots of hair.≡ more ...