Page 41 - Dosage 1-part2 -ebook_Neat

30/10/2025, 00:02 Pharmaceutical Solutions & Sterile Dosage Forms

Common types of injection

1. Intravenous injection (IV) 2. Intra-muscular injection (IM)

Drugs are administered directly into the Injection made into the muscle
blood stream.
Syringe is administered perpendicular to
Syringes are administered at an angle of the skin at an angle of 90°
15-20°
Muscle for injection:
Often used in emergency departments and Adults: upper, outer portion of Gluteus
critical care areas. maximus

Volume of injection: not more than 1 liter. In some children and adults: deltoid
muscle of the shoulder
The IV route fastest method of systemic
administration among others Volume administered: 1-2 mL and may
reach 5 mL.
The preferred administration route for
emergency situations. Slower onset of action compared to IV.

IV infusions (LVP) can provide large doses of Longer duration (depot effect)
fluids, electrolytes, nutrition and drugs for
hospitalized and unconscious patients For Suitable for Suspension and oil-based
patients having serious GIT problems (ulcers, injections (slowly dissolved, slowly
intoxication). absorbed).

More practical for use outside the hospital
compared to IV injections.

3.Sub-cutaneous injection (SC)

Injection is made under the skin.
Syringe injected with an angle 45°
No more than 1-1.5 ml. WHY???
Example: insulin injection

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