Why emetics are contraindicated in which poisoning?

Why emetics are contraindicated in which poisoning?

Emetics are contraindicated in patients that are hypoxic, dyspneic, unable to swallow, hypovolemic or comatose. Emetics should not be given to animals which have ingested strong acids or alkalis because the contents of the vomitus may cause further damage to esophageal, pharyngeal or oral tissues.

Why would you use an emetic?

Emetic agents are a class of medications used to induce nausea and vomiting for the emergency treatment of poisoning with certain toxins that have been swallowed. Although its use is now discouraged, the most commonly used drug for this purpose is ipecac syrup.

What does an emetic promote?

An agent that promotes vomiting. An emetic may induce vomiting by irritating the gastrointestinal tract or by stimulating the chemoreceptor trigger zone of the central nervous system.

Are emetics still used?

The use of emetics is limited to the treatment of poisoning with certain toxins that have been swallowed. Although its use is now discouraged, the most commonly used drug for this purpose was ipecac syrup, prepared from the dried roots of Carapichea ipecacuanha, a plant indigenous to Brazil and Central America.

What is the best emetic?

Typically, apomorphine and hydrogen peroxide are the emetics of choice with dogs. Published data shows that about 94% of dogs vomit after apomorphine administration and about 90% of dogs vomit after hydrogen peroxide administration.

Is used as a reflex emetic especially in narcotic poisoning?

Emetics such as syrup of ipecac have been used in emergent cases of poisoning because they induce forceful emptying of the stomach. The efficacy of emesis in the management of acute poisoning episodes declines when treatment is initiated more than 1 hour after ingestion of a toxic substance.

When to use emetics in an acute poisoning case?

Acute Poisoning. Emetics may be useful only in cases examined immediately after taking the poison, because later the vomiting center also becomes depressed. Gastric lavage with 1:1000 KMnO4 (useful for even parenteral poisoning cases because the morphine absorbed is resecreted by the gastric glands into the stomach).

Why are milk and egg used as antidotes?

Explain why milk and egg are used as antidotes in heavy metal poisoning.  Heavy metal salts act to denature proteins in much the same manner as acids and bases. Heavy metal salts usually contain Hg+2, Pb+2, Ag+1 Tl+1, Cd+2 and other metals with high atomic weights.

When do drug residues in eggs become an issue?

Although drug residues in eggs are not a regulatory issue when those eggs are consumed only by the owner of the treated hen, they can become a li- ability issue if those eggs are sold or given away because it represents entry of an adulterated product into the human food chain. Drug Residues in Eggs

What kind of anesthesia is needed for egg retrieval?

Surveys of doctors in the United States, the United Kingdom, and Germany indicate that at least 99 percent of cases of oocyte retrieval rely on intravenous anesthesia or intravenous conscious sedation.