3A. A patient you are caring for has just unintentionally eaten peanut butter and is complaining...

3A. A patient you are caring for has just unintentionally eaten peanut butter and is complaining of tingling and swelling in the back of the throat. What medication will you administer? What receptors does it work on? (Pharm book)

3B. Put this drug into categories as discussed in class. (MOA, indications, contraindications, adverse effects, drug to drug interactions, and special administration considerations. (Pharm book).

Solutions

Expert Solution

3A. Peanut allergy may cause anaphylatic shock.

The medications used is Epinephrine

Epinephrine is the medication of choice for the first-aid treatment of anaphylaxis. Through its action on alpha-1 receptors it causes vasoconstrictor effects, it prevents or decreases upper airway mucosal edema (laryngeal edema), hypotension, and shock.

3B. Mode of action

Through its action on alpha-1 receptors, epinephrine induces increased vascular smooth muscle contraction, pupillary dilator muscle contraction, and intestinal sphincter muscle contraction.

Indications

Hypotension Associated with Septic Shock
Anaphylaxis

Side effects

breathing problems;
fast or pounding heartbeats;
pale skin, sweating;
nausea and vomiting;
dizziness;
weakness or tremors;
throbbing headache; or.
feeling nervous, anxious, or fearful.

Contraindications

hypersensitivity to sympathomimetic drugs
closed-angle glaucoma
anesthesia with halothane
catecholaminergic polymorphic ventricular tachycardia.

Special administration Considerations

Anaphylaxis

With severe persistent anaphylaxis, repeat injections with an additional autoinjector may be necessary
More than two sequential doses of epinephrine should only be administered under direct medical supervision

Nightingale answered 1 year ago

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