Intramuscular injection pain ppt

Causes and Measures to alleviate it
Dr. Kamlesh Lala MBBS
Dr. Mrudula Lala MD
Ahmedabad, INDIA
kamleshlala@hotmail.com
Dr. Kamlesh Lala/Dr. Mrudula lala 1

 Intramuscular Injection is the most widely
practiced percutaneous procedure

 Each child is compulsorily exposed to this in
his early childhood by way of immunisation

 The most common side effect is apprehension
and pain


Pain is a subjective phenomenon influenced by
multiple factors including
 Age
 Anxiety level

 Previous experience

 Ambience

 Approach of a provider

 Culture


It is said that
“Pain is inevitable”
But
“Suffering is optional”
But here we try to reduce this
suffering


 Concern and anxiety about
injections are common for all
ages.
 Several methods are found
effective to relieve this
apprehension and discomfort in
different stages of injection
procedure

 Before Injection
 Drug
 Equipment
 Site Selection
 Pre Injection
 During Injection
 Post Injection


 Give age appropriate dose of NSAID. Avoid
aspirin in children. Administer Paracetamol in
dose of 15-20 mg/kg.
 Local Anaesthetic (5% Xylocaine) can be
applied at the site of injection an hour before
 Administer sweet tasting liquid (2ml of 20%
w/v sucrose or expressed breast milk)
immediately before.
 Child can even be breast fed immediately
before

 Shake Test for DTwP vaccine: Shake well the
vaccine vial. After shaking, the vaccine
sediment within 30 minutes leaving a deposit
below a column of transparent fluid. This
indicates that vaccine has been frozen in a cold
chain. Discard such vial. Frozen vaccine
increases the chances of local reaction and
sterile abscess.


 Benzyl Alcohol (BA) is used to increase the
lipid solubility of esterified compounds and to
prevent bacteria growth. It can cause
destruction of cells and localised pain and
inflammation.
 After injection of the drug, BA is absorbed from
the site causing active drug to precipitate fine
crystals within the muscle. This causes pain
after 4-12 hours of injection characterised by
pain and inuration.


 Tissue irritation is the most common cause of
Post Injection Pain. It starts 12-24 hours after
injection with warm, red, tender induration.
This will fade after 72 hours.
 Common with hormone injections.
 More common in a brand manufactured by
local drug company. (poor quality of raw
material, excessive preservative, too much BA
used)


 Addition of Benzyl Benzoate (BB) can reduce it.
 Gently warm the oily injection by rubbing it in
between two palms so as to improve the
viscosity of the drug.
 Larger than 5 ml volume is not advised for
intramuscular injection. It should be divided
into multiple injection at different sites.


 Use new syringe and needle every time.
 Longer needle reduces redness and swelling,
because medication is sure into the muscle.
More so with Chloroquine and Diclofenac. So
use 1.5” long needle for gluteal injection in
adolescents and adults.
 Use wide bore needle eg. 23g because narrow
bore produces a jet under pressure causing
muscle injury and pain.
 For oily injection, use still wider bore needle
(21g or 22g).

 Use anterolateral thigh in children up to 2
years or even up to 5 years.
 After that use deltoid muscle
 In adults use gluteal muscle for oily injection or
if volume is greater than 2 ml.
 Larger volumes are better tolerated in larger
muscle groups


 Do not use the same site over and over again
for days for multiple injections.

 It may cause irritation and muscle injury; and
increases the chances of infection.

 Rotate the site.


 After swabbing the site with spirit or
alcohol, allow it to dry, or it may cause
irritation.
 Topical refrigerant (vapocoolant) spray
immediately before the injection may reduce
the short term pain.
 Do not keep the air bubble inside the syringe.
 Proper positioning of the patient allows to
identify the site correctly.
 Ensures patient’s comfort by muscle relaxation.

 1. Standard technique
The needle is introduced at 900 with steady
pressure and aspiration to be performed for 5-
10 seconds, drug is slowly injected over 5-10
secs., and the needle to be withdrawn slowly
 2. Pragmatic technique
The needle is introduced at 900 with steady
pressure and no aspiration is to be
performed, drug is rapidly injected over 1-2
secs., and the needle to be withdrawn rapidly

In a randomised controlled trial to compare acute
pain response during immunisation in infants
using these two techniques, it was found that
Pragmatic technique is less painful than a
standard one.


Z track technique.
Skin is pulled downwards and laterally before
injection. This displaces the skin and SC tissue
leaving the muscle there only and uses the
valve action to prevent leakage of medication
into the SC tissue and later on irritation.


 Age appropriate non pharmacological
techniques may provide distraction from pain.

 Some of the distraction techniques are age
appropriate toys, playing music, pretending to
blow away pain, watching TV, conversation
with child, deep breathing etc.


 Tactile Stimulation
Rubbing or stroking the skin near
the injection site with moderate
intensity may decrease the pain in
older children and adults.


 Aspiration can be performed in non immunisation
injections, but should be fast.
 Ensure that the injection is deep into the muscle
and fully through any subcutaneous fat. Injection
into the fat may result in fat necrosis and abscess.
 In case of larger volume injection, inject the drug
slowly so as to reduce muscle fascia displacement
(which may result in pain and scarring of muscle)
 Withdraw the needle at the same angle as for
penetration.


 Order of Injection
For multiple injections, especially
during immunisation, inject the
most painful injection (DTP) last


 Apply a little pressure to the injection site for 5-
10 seconds.

 Do not massage or rub the site.

 Do not apply hot or cold compresses. Clean
cold wet wash cloth can be applied over sore
area.


Patient should leave the clinic laughing……and
not crying….

Intramuscular injection pain ppt

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