types of drugs

acts by binding to a-adrenergic receptor, causing dilation of peripheral blood vessels, lowers peripheral resistance, resulting in decreased blood pressure

used for phenochroocytoma, prevention of tissue necrosis, and sloughing associated with extravasation of IV vasopressors.

the most common are hypotension , tachycardia, nasal stuffiness, nausea, omiting, and diarrhea

hypersensitive relations may occur, and allergies should be identified before these products are given. pts with MI, coronary insufficiency, angina, or other evidence of CAD shouldnt use these products

vary among products

vasoconstictive and hypertensive effects of epINEPHrine are antagonized by a-adrenergc blockers

• tissue perfusion, ineffective (uses)
• injury, risk of (adverse reactions)
• sleep pattern, dstrubed (adverse reactions)
• electrolytes: k, na,cl,co2
• weight daily , I&O
• b/p lying, standing, before starting tx,q4h thereafter
• n&v diarrhea
• skin turgor, dryness of the mucous memebranes for hydration status
• administer:
• starting with low dose gradualy increasing to prevent side effects
• with food or milk for gi symptoms
• evaluate:
• therapeutic response: decreased b/p increased peripheral pulses
• teach pt/family:
• to avoid alcoholic beverages, to change positions slowly or fainting ma occur, to take drugs as prescribed, to avoid all OTC products (cough, cold, allergy) unless directed by prescriber.
• generic names
• phentolamine

anesthetics (general) act on the cns to produce tranquikication and sleep before invasive procedures. (local) inhibit conduction of nerve impulses from sensory nerves.

general anathetics are used to premedicate for surgery, induction and maintenance in general anesthesia. local refer to individual product listing for indications

the most common are dystonia, akathisia, flexion of the arm, fine tremors, drosiness, restlessness, and hypotension. also common are chills, respiratory depression, and laryngospasm.