[Ferrous sulfate: acute poisoning with a frequent use drug].

The iron is the main component of hemoglobin and is also part of myoglobin and enzymes. Its deficit is the most common cause of nutritional anemia in humans. The use of iron salts is very common in children, because they are indicated for prophylaxis and treatment of iron deficiency anemia.

[Erythroderma secondary to latex-producing plants (Synadenium grantii)].

The Euphorbiaceae family are plants that have in common latex production. There are over 8000 species. They have worldwide distribution.

[Mixture of alcohol and drugs: a frequent form of abuse].

"Jarra loca" is a mixture of alcohol and prescription drugs. Sometimes, these are added to alcohol without the knowledge of the user. In recent years, adolescents mixed psychotropic drugs and hypoglycemic agents to reach the drowsiness and anxiety of hypoglycemia.

[Loxoscelism: report of a viscerocutaneous case with favorable resolution].

Loxoscelism is a disease caused by the bite of spiders belonging to Loxosceles genus, represented in our country by L. laeta. It is characterized by necrosis of the skin, accompanied in variable percentage by systemic manifestations that can lead to the death.

[Loxoscelism: epidemiology and clinical aspects of an endemic pathology in the country].

Loxosceles is a global distribution spider with synanthropic characteristics. It is responsible for skin necrosis that in a low percentage is accompanied by systemic manifestations. Mortality can be high when systemic manifestations are present.