1. Name Of The Medicinal Product
Hedrin® 4% cutaneous solution
Packaging to state: Hedrin 4% lotion dimeticone
2. Qualitative And Quantitative Composition
Dimeticone 4% w/w
For a full list of excipients, see section 6.1.
3. Pharmaceutical Form
Cutaneous solution.
Hedrin is a clear, colourless liquid.
4. Clinical Particulars
4.1 Therapeutic Indications
Hedrin is indicated for the eradication of headlice infestations.
4.2 Posology And Method Of Administration
Adults and children (aged six months and above)
For topical external use only.
Apply sufficient lotion to cover dry hair from the base to the tip to ensure that no part of the scalp is left uncovered. Work into the hair spreading the liquid evenly from roots to tips. Allow hair to dry naturally. Hedrin should be left on hair for a minimum of 8 hours or overnight. Wash out with normal shampoo, rinsing thoroughly with water. Repeat the treatment after seven days.
Children under the age of six months should only be treated under medical supervision.
4.3 Contraindications
Hypersensitivity to any of the ingredients.
4.4 Special Warnings And Precautions For Use
Discontinue at the first appearance of a skin rash or any other signs of local or general hypersensitivity.
For external use only.
If accidentally introduced into the eyes, flush with water.
4.5 Interaction With Other Medicinal Products And Other Forms Of Interaction
Dimeticone is not known to interact with other drugs.
4.6 Pregnancy And Lactation
There is no data to suggest that Hedrin may not be used in pregnancy.
4.7 Effects On Ability To Drive And Use Machines
None known.
4.8 Undesirable Effects
Dimeticone is usually well tolerated. Minor adverse events include an itchy or flaky scalp and dripping/irritation around the eyes.
4.9 Overdose
There are no known recognised symptoms of overdose.
It is unlikely that Hedrin will enter the bloodstream via scratched skin however if this does occur, available data suggests it will be rapidly eliminated unchanged. If the lotion were to be accidentally ingested, again, the available data suggests that there are no specific safety concerns.
No special procedures are likely to be needed.
5. Pharmacological Properties
5.1 Pharmacodynamic Properties
ATC Code: PO3 AX Other entoparasiticides, incl Scabicides
The solution contains dimeticone, which is used in many pharmaceutical and cosmetic preparations. A 4% concentration has been found to affect the physico-physiological activity of lice. It is less effective in its ovicidal activity and therefore two applications 7 days apart are required.
Hedrin contains no neurotoxic organophosphate insecticides and therefore does not work by acting on specific enzymes within the louse. Hedrin acts on the lice by a physical process to cover the lice and disrupt the ability of the lice to manage its water balance so that treated insects fail to excrete surplus water. Hedrin activity is not diminished in insecticide resistant head lice.
5.2 Pharmacokinetic Properties
Hedrin is applied topically to the affected area but there is little or no absorption of Hedrin through the skin.
5.3 Preclinical Safety Data
There are no further relevant data.
6. Pharmaceutical Particulars
6.1 List Of Excipients
Cyclomethicone 5.
6.2 Incompatibilities
None known.
6.3 Shelf Life
Three years, when stored unopened.
6.4 Special Precautions For Storage
This product does not require any special storage conditions.
6.5 Nature And Contents Of Container
HDPE dropper containers with screw caps; 150ml, 200ml & 250ml capacity.
HDPE containers incorporating plastic trigger spray, cap and PE dip tube; 120ml capacity.
Not all packs may be marketed
6.6 Special Precautions For Disposal And Other Handling
Care should be taken as the product may cause a slip hazard if accidentally spilt onto smooth surfaces.
7. Marketing Authorisation Holder
Thornton & Ross Ltd
Linthwaite
Huddersfield
HD7 5QH
United Kingdom
8. Marketing Authorisation Number(S)
PL00240/0345
9. Date Of First Authorisation/Renewal Of The Authorisation
07.03.2008
10. Date Of Revision Of The Text
11/07/2011
11 DOSIMETRY
Not Applicable
12 INSTRUCTIONS FOR PREPARATION OF RADIOPHARMACEUTICALS
Not Applicable
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