Thallium, under any conditions can enter the body through inhalation, absorption through the skin, or through ingestion. MostAcute symptoms that occur shortly after getting excessiveof thallium inexposure the body includesinclude, but isare not limited to, common gastrointestinal ailments like stomach pain, diarrhea, and vomiting. More serious neurological symptoms don’t beginappear until later days after the metal was ingested. Oncethethallium has moved into the Central nervous system, neurological symptoms begin to show. ThoseThese include: Tremorstremors, Headacheheadache, Insomniainsomnia, Seizuresseizures, Ataxia (Which is defined as poor muscle control leading to problems with balance, swallowing, hand coordination, etc.)[[ataxia]], ascending [[peripheral neuropathies]], coma, and possible death. [[Nystagmus]], [[diplopia]], and other ocular effects are also common. After many weeks, those with thallium poisoning begin to present with dermatological symptoms; such as acne-like abrasions, [[hypohidrosis]], and [[alopecia]].
