Page 23 - Pharmacology Mnemonics and Short Notes
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        Advantage: onset drug action faster than oral.

        Disadvantage:
            1.  Must involve sterile technique because breaks skin barrier.

            2.  More expensive than oral.
            3.  Can administer only small doses.

            4.  Slower than intramuscular injection.
            5.  Some drug can irritate tissue and can cause pain.

        Intramuscular

        Into in the muscle.
        Advantage:

            •  Pain from irritating drugs is minimized.
            •  Can administer large volume of drug.

            •  Drug rapidly absorbed.
        Disadvantage:

            •  Breaks skin barrier.
            •  Can be anxiety producing.

        Intravenous

        Intravenous (IV): allow injection of drugs and another substance directly
        into bloodstream through the vein.

         Disadvantages of I.V.
                     * Allergic reaction as anaphylactic shock.

                     * Velocity reaction, e.g. if aminophylline is given rapidly it can
                        produce arrhythmia, hypotension and cardiac arrest.


                     * Pyrogenic reaction.

                     * Disease transmission.

                     * Thrombophlebitis.


                     * Extravasation (leakage)  severe irritation.


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   Pharmacology Mnemonics and Short Notes                                              By Muhammad Ramzan Ul Rehman
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