What are the symptoms of tin poisoning?
Jan 24, 2022
Source: Cainiu Health
Dr. Zhao Haiming
Introduction
What Are the Symptoms of Tin Poisoning?
The manifestations include the following:
1. Acute poisoning: Clinically presents with symptoms of acute gastroenteritis, such as nausea, vomiting, and diarrhea. It must be differentiated from acute bacterial gastroenteritis and managed with symptomatic and supportive treatment.
2. Tin pneumoconiosis: Pulmonary markings are often indistinct or barely visible on imaging. Over a period of 10–15 years following definitive diagnosis, the patchy opacities in both lung fields gradually diminish in size.
Tin smelting, crushing, and other processes must be mechanized and enclosed, with enhanced ventilation and dust extraction. Workers exposed to tin fumes and dust should not only wear appropriate personal protective equipment but also undergo regular health surveillance. For organotin poisoning, exposure to organotin compounds should be minimized, and adequate ventilation must be ensured in relevant work environments. So, what are the symptoms of tin poisoning? Let’s take a closer look below.
What Are the Symptoms of Tin Poisoning?
Tin is a silvery-white, soft, lustrous metal that is insoluble in water but soluble in dilute hydrochloric acid, dilute sulfuric acid, and nitric acid, as well as in hot potassium hydroxide and sodium hydroxide solutions. It is primarily used in alloy production and metal welding. Tin and most of its inorganic compounds are classified as low- or very low-toxicity substances; only a few tin compounds exhibit significant toxicity. Symptoms of metallic tin poisoning include the following:
1. Acute poisoning: Clinically presents with nausea, vomiting, and diarrhea—symptoms consistent with acute gastroenteritis—which must be differentiated from acute bacterial gastroenteritis. Symptomatic and supportive treatment is indicated.
2. Tin pneumoconiosis: Early radiographic findings show indistinct or barely discernible pulmonary markings. Ten to fifteen years after diagnosis, the patchy opacities in both lung fields gradually diminish in size, density, and number, resulting in progressively clearer lung fields; however, hilar density progressively increases. After 25–30 years, morphologically diverse metallic nodular densities appear at the hila, while the lung fields remain largely clear.
3. Chronic poisoning: Workers chronically exposed to tin tetrachloride may develop respiratory irritation symptoms and gastrointestinal manifestations—including nausea, upper abdominal discomfort, and constipation—as well as intermittent pain in the shoulders and feet. Tin tetrachloride can also cause skin ulceration and eczema.
We hope the above information is helpful to you.
