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Histergan Cream

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SUMMARY OF PRODUCT CHARACTERISTICS

1.    NAME OF THE MEDICINAL PRODUCT

Histergan Cream

Lloyds Pharmacy Antihistamine Cream Boots Skin Allergy Relief 2% w/w Cream Vantage Antihistamine 2% w/w Cream

2    QUALITATIVE AND QUANTITATIVE COMPOSITION

Diphenhydramine Hydrochloride BP 2% w/w

3    PHARMACEUTICAL FORM

Topical Cream

4    CLINICAL PARTICULARS

4.1    Therapeutic indications

Symptomatic treatment of allergic conditions e.g.:-

Urticaria, pruritus, allergic rashes, stings and insect bites.

4.2.    Posology and Method of Administration

Apply sparingly and infrequently (maximum twice daily) to the affected area. Short term treatment only - not more than three days.

Not recommended for children under six years old.

4.3. Contra-indications

Known sensitivity to anti-histamines and benzoates. Do not apply to mucous membranes, eczematous conditions or where the skin is extensively broken or denuded, or in acute


vesicular or exudative dermatoses. Do not use with any other product containing the same active ingredient.

4.4. Special Warnings and Special Precautions for Use

Apply sparingly. Avoid prolonged use or repeated applications especially to large areas. If burning or rash develops, or if the condition persists, medical advice should be sought immediately. If necessary remove by washing with soap and water. Wash hands after use, unless they are being treated.

4.5. Interaction with Other Medicinal Products and Other Forms of Interaction

None recorded.

4.6. Pregnancy and Lactation

Not applicable when used as directed. Medicament should only be used in pregnancy when anticipated benefits exceed the risks.

4.7. Effects on Ability to Drive and Use Machines

Not applicable.

4.8. Undesirable Effects

May give rise to sensitisation reaction and photosensitivity. Rarely eczematous reactions have been reported, if this occurs, treatment should be discontinued.

4.9. Overdose

Accidental ingestion or excessive absorption may lead to dose related signs of diphenhydramine toxicity which includes drowsiness and sedation.

Treatment is by gastric lavage and aspiration. In cases of acute poisoning, activated charcoal may be useful.

5 PHARMACOLOGICAL PROPERTIES

5.1 Pharmacodynamic properties

Diphenhydramine applied externally has anti-histaminic activity in conditions induced by allergic stimuli.

5.2. Pharmacokinetic Properties

Diphenhydramine is a histamine H1 receptor antagonist.

External applications to largely intact skin results in minimal systemic absorption.

5.3. Preclinical Safety Data

None stated

6    PHARMACEUTICAL PARTICULARS

6.1    List of excipients

Propyl Hydroxybenzoate, Liquid Paraffin, Emulsifying Wax, Deionised Water.

6.2.    Incompatibilities

Not applicable.

6.3.    Shelf Life

36 months

6.4.    Special Precautions for Storage

Store between 4°C and 25 °C

6.5. Nature and Contents of Container

Tube 25g.

6.6. Instructions for Use/Handling

None stated

7    MARKETING AUTHORISATION HOLDER

Norma Chemicals Ltd.

51-53 Stert Street Abingdon

Oxfordshire OX14 3JF United Kingdom

8    MARKETING AUTHORISATION NUMBER(S)

PL 00386/5000R

9    DATE OF FIRST AUTHORISATION/RENEWAL OF THE

AUTHORISATION


4 December 1989 / 13 June 1995

10 DATE OF REVISION OF THE TEXT

14/07/2014

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