Intramuscular (IM) In intramuscular administration (IM), the drug is injected into a muscle. Muscles are highly vascular (supplied by blood vessels), so the drug is absorbed directly into the bloodstream. Typical injection sites include larger muscles in the shoulder, upper and outer thigh, and the buttocks the most common site of IM injection.
Table 4: Needle Length and Injection Site for IM Injection Diphenhydramine hydrochloride (Benadryl) - PO (25 or 50mg tablets) and injectable (50 mg/mL.
Special Considerations for IM Injections. Avoid using sites with atrophied muscle because they will poorly absorb medications. If repeated IM injections are
IM injection sites should be rotated to decrease the risk for hypertrophy. When possible, IM injections should not be administered in muscles that are emaciated
Intramuscular (IM) injections in neonates may be required to administer medications or vaccines. The anterolateral thigh is the preferred site for IM injection.
Benadryl - Diphenhydramine. ADULT: Allergic Reaction - Facial 50 mg IV / IM (chart IM site), or IO if site is already established. . . PEDS
mg/dose IM/IV Q 4 hours PRN. Potential hazards of parenteral administration: Irritation at IM injection site - rotate site; Avoid
Intramuscular (IM) injections in neonates may be required to administer medications or vaccines. The anterolateral thigh is the preferred site for IM injection.
BENADRYL. Classification: Antihistamine. Original Date: August 2024. Revised Date: December 2024 Irritation at IM injection site - rotate site; Avoid SC or
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