Also known as liver toxicity - the condition causes permanent liver damage with a host of symptoms like yellowing of the skin, fatigue, nausea, rash, itching, and upper-right abdominal pain.

Chronic toxicity can lead to liver damage and increased pressure on ... Symptoms vary based on whether toxicity is acute or chronic. Headaches and rash are common in both forms of the illness.

Opens in a new tab or window The American Glaucoma Society and American Academy of Ophthalmology are warning eye doctors to be aware of potentially toxic effects on the liver from the vitamin B3 ...