Toxins are substances created by plants and animals that are poisonous to humans. Toxins also include medications that are helpful in therapeutic doses but poisonous when used in an excess amount. Most toxins that cause problems in humans are released by microorganisms such as bacteria.

Related topics:

• Toxic dilation of the colon
• Toxic epidermal necrolysis
• Toxic hepatitis
• Toxic injury of the kidney
• Toxic megacolon
• Toxic nodular goiter
• Toxic shock syndrome