PAIN BALM - EXPERIMENT

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EXPT NO: 10                                                                                                            DATE:

PAIN BALM

AIM: To prepare and submits 10 gm of Pain Balm.

FORMULA:
S. No.
Ingredients
Quantity Given
Quantity Taken (____gm)
1
Menthol
10%

2
Camphor
25%

3
Methyl Salicylate
05%

4
Cassia Oil
05%

5
Peppermint Oil
06%

6
Cajuput Oil
07%

7
Bees Wax
30%

8
Petrolatum
12%




PRINCIPLE:

Ointments are semi solid preparations for application to skin or mucous membrane, which have the ability to cling to the surface of application for a required time before it is washed or warm out. This adhesion is due to their plastic rheological behavior, which allows the semisolid to retain their shape and cling as film until acted upon by an outside force. Ointments are used for their emollient effect on the skin for the protection of lesions and for topical medication. The ointments are generally anhydrous and contain one or more medicaments in suspension or in solution form.

Pain balm is prepared by fusion method containing liquid miscible with bases. It is used to relieve pain backache, myalgia, and fibrositis. It is applied with rubbing to relieve pain and have deep penetrative action. They contain drugs having counter irritant action like methy! salicylate and camphor. In this preparation menthol, cassia oil, peppermint oil is used to impart aromatic odour. Peppermint oil also possesses antiseptic activity. Methyl salicylate is used for analgesic activity, camphor and cajuput oil for counter irritant activity. Bees wax and Petrolatum are absorption type of ointment base.

PROCEDURE:

Melt 6.6 gm of Beeswax and 2.64 gm of petrolatum in a dry china dish. Dissolve 2.2 gm of menthol, 5.5gm of camphor in 0.93 ml of Methyl Salicylate and to this add 1.1 ml of cassia oil, 1.5 ml of peppermint oil, and 1.692 ml of cajuput oil. Add the mix to cooled base just as it starts to solidify. Stir quickly until cool. Weigh out 20 gm of ointment and transfer to an ointment jar with a screw cap.

CATEGORY: Anti-inflammatory and Analgesic.

STORAGE: Keep container tightly closed after use. Store in a cool place


DIRECTION: For external use only. Not to be applied on broken skin. Apply to affected area with rubbing. 

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