Plumbum chromicum
Lead chromate · Mineral
Plumbum Chromicum combines the paralytic, constipating tendency of lead with the acute irritant violence of chromate, producing convulsions, dilated pupils, and inflammatory redness of the skin. The patient is apathetic to near-stuporous between paroxysms.
Key symptoms
- Violent diarrhea of yellow colour; yellow stools alternating with constipation
- Convulsions with terrible pains
- Cramps and retracted abdomen
- Erythematous redness of chest and abdomen
- Pupils enormously dilated; eyeballs fixed and staring
- Face red and hot; lips violet and dry; jaws firmly closed
- Tongue coated yellow with red tip
- Headache with ringing in ears and inclination to vomit
Worse (aggravation)
- Towards evening
Better (amelioration)
- Drinking warm milk

Chromate of Lead. Chrome Yellow. PbCrO4. Trituration.
Clinical
Colic. Convulsions. Cramps. Diarrhœa. Dysphagia. Erythema. Screaming. Tenesmus.
Characteristics
Several cases of poisoning by Chrome Yellow have been observed. The symptoms present the cardinal features of lead poisoning-cramps, convulsions, retracted abdomen. Characteristic features were a violent diarrhœa of yellow colour. Yellow stools with constipation. Convulsions with terrible pains. Erythematous redness of chest and abdomen. Pupils enormously dilated. The face was red and hot, and there was heat of the body generally. The symptoms were < towards evening. > By drinking warm milk.
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