Patient info Open main menu

Nizoral 2% shampoo – Summary of Product Characteristics (SmPC) for healthcare professionals

Last updated: · Text from the MHRA, as of · About this document

Medicine status: Prescription only (POM) Details

Medicine strength:
2% (20 mg/gram)
Other strengths and forms:
Contains active substance:

Summary of Product Characteristics (SmPC) - Nizoral 2% shampoo

1 NAME OF THE MEDICINAL PRODUCT

Nizoral 2% shampoo

2 QUALITATIVE AND QUANTITATIVE COMPOSITION

Ketoconazole 2% w/w (each gram contains 20 mg).

Excipient(s) with known effect:

Sodium lauryl ether sulfate 24% w/w

For a full list of excipients, see 6.1

3 PHARMACEUTICAL FORM

Pink viscous shampoo.

4 CLINICAL PARTICULARS

4.1 Therapeutic indications

Prevention and treatment of infections in which the yeast Malassezia (previously called Pityrosporum) is likely to be involved, such as dandruff and seborrhoeic dermatitis.Treatment of tinea (pityriasis) versicolor.

4.2 Posology and method of administration

For topical administration.

Ketoconazole shampoo 2% is for use in adolescents and adults: Wash affected areas and leave for 3-5 minutes before rinsing.

Treatment:

Dandruff and seborrhoeic dermatitis: Wash hair twice weekly for 2-4 weeks.

Tinea versicolor: Once daily for 1-5 days.

Prophylaxis:

Dandruff and seborrhoeic dermatitis: Use once every 1-2 weeks.

4.3 Contraindications

Known hypersensitivity to ketoconazole or any of the excipients.

4.4 Special warnings and precautions for use

In patients who have been on prolonged treatment with topical corticosteroids, it is recommended that the steroid therapy be gradually withdrawn over a period of 2 to 3 weeks, while using Nizoral 2% shampoo, to prevent any potential rebound effect.

Keep out of the eyes. If the shampoo should get into the eyes, they should be bathed with water.

Excipient warnings:

This medicine contains 24% w/w sodium lauryl ether sulfate in each application. Sodium lauryl ether sulfate may cause local skin reactions (such as stinging or burning sensation) or increase skin reactions caused by other products when applied on the same area.

4.5 Interaction with other medicinal products and other forms of interaction

No interaction studies have been performed

4.6 Fertility, Pregnancy and lactation

There are no adequate and well-controlled studies in pregnant or lactating women. Data on a limited number of exposed pregnancies indicate no adverse effects of topical ketoconazole on pregnancy or on the health of the foetus/newborn child. Animal studies have shown reproductive toxicity at doses that are not relevant to the topical administration of ketoconazole No effects on the breastfed newborn/infant are anticipated. See Pharmacokinetic properties, section 5.2

Plasma concentrations of ketoconazole were not detectable after topical administration of ketoconazole 2% shampoo to the scalp of non-pregnant humans. Plasma levels were detected after topical administration of ketoconazole 2% shampoo on the whole body. There are no known risks associated with the use of ketoconazole 2% shampoo in pregnancy or lactation.

4.7 Effects on ability to drive and use machines

Not relevant

4.8 Undesirable effects

The safety of ketoconazole 2% shampoo was evaluated in 2890 subjects who participated in 22 clinical trials. Ketoconazole 2% shampoo was administered topically to the scalp and/or skin. Based on pooled safety data from these clinical trials, there were no ADRs reported with an incidence ≥1%. The following table displays ADRs that have been reported with the use of Ketoconazole 2% Shampoo from either clinical trial or postmarketing experiences.

The displayed frequency categories use the following convention:

Very common (≥1/10)

Common (≥1/100 to <1/10)

Uncommon (≥1/1,000 to <1/100)

Rare (≥1/10,000 to <1/1,000)

Very rare (<1/10,000)

Not known (cannot be estimated form the available clinical trial data).

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

4.9 Overdose

In the event of accidental ingestion, supportive and symptomatic measures should be carried out. In order to avoid aspiration, neither emesis nor gastric lavage should be instigated.

5 PHARMACOLOGICAL PROPERTIES

System Organ ClassAdverse Drug Reactions
Frequency Category

Uncommon

(≥1/1,000 to <1/100)

Rare

(≥1/10,000 and <1/1,000)

Not Known
Immune System disordersHypersensitvity
Nervous System DisordersDysgeusia
Infections and InfestationsFolliculitis
Eye DisordersIncreased lacrimationEye irritation
Skin and Subcutaneous Tissue Disorders

Alopecia

Dry skin

Hair texture abnormal

Rash

Skin burning sensation

Acne

Dermatitis contact Skin disorder Skin exfoliation

Angioedema Urticaria

Hair colour changes

General Disorders and Administration Site Conditions

Application site erythema Application site irritation Application site pruritus

Application site reaction

Application site hypersensitivity

Application site pustules

5.1 Pharmacodynamic properties

Pharmacotherapeutic group: Imidazole and triazole derivatives ATC Code: D01AC08

Ketoconazole is an imidazole-dioxolane antimycotic, active against yeasts, including Malassezia and dermatophytes. Its broad spectrum of activity is already well known.

5.2 Pharmacokinetic properties

Plasma concentrations of ketoconazole were not detectable after topical administration of Nizoral 2%shampoo on the scalp. Plasma levels were detected after topical administration of Nizoral 2% shampoo on the whole body.

5.3 Preclinical safety data

Effects in non-clinical studies were observed only at exposures considered sufficiently in excess of the maximum human exposure indicating little relevance to clinical use.

6.1 List of excipients

Sodium lauryl ether sulfate

Disodium monolauryl ether sulphosuccinate

Coconut fatty acid diethanolamide

Laurdimonium hydrolysed animal collagen

Macrogol 120 methyl glucose dioleate

Sodium chloride

Concentrated hydrochloric acid

Imidurea

Sodium hydroxide

Erythrosine sodium (E217) Water purified (Ph. Eur.)

6.2 Incompatibilities

Not applicable

6.3 Shelf life

36 months.

6.4 Special precautions for storage

Store below 25°C.

6.5 Nature and contents of container

High density polyethylene bottles, containing 120 ml shampoo.

6.6 Special precautions for disposal

No special requirements

7 MARKETING AUTHORISATION HOLDER

Thornton & Ross Ltd., Linthwaite, Huddersfield, HD7 5QH, UK

8 MARKETING AUTHORISATION NUMBER(S)

PL 00240/0451

9 DATE OF FIRST AUTHORISATION/RENEWAL OF THE

AUTHORISATION

24/06/2008

10 DATE OF REVISION OF THE TEXT

23/10/2020

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 00240/0451

Last revision stated in the text: 23 October 2020 · MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Nizoral 2% shampoo

Prescription needed? Yes, prescription-only medicine (POM)
Active substance Ketoconazole
Strength 2% (20 mg/gram)
Pharmaceutical form Shampoo
How is it taken Cutaneous
Excipients Sodium lauryl ether sulfate, Disodium monolauryl ether sulphosuccinate, Coconut fatty acid diethanolamide, Laurdimonium hydrolysed animal collagen, Macrogol 120 methyl glucose dioleate, Sodium chloride, Concentrated hydrochloric acid, Imidurea, Sodium hydroxide, Erythrosine sodium (E217) Water purified (Ph. Eur.)
Pack sizes 120 ml
Is it available? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life 36 months.
Storage Store below 25°C.
Drug group (ATC) Imidazole and triazole derivatives
  1. D Dermatologicals
    1. D01 Antifungals for dermatological use
      1. D01A Antifungals for topical use
        1. D01AC Imidazole and triazole derivatives, topical antifungals
          1. D01AC08 ketoconazole
Marketing authorisation PL 00240/0451 (first authorised 24 June 2008)
Marketing authorisation holder Thornton & Ross Ltd., Linthwaite, Huddersfield, HD7 5QH, UK
Codes BNF 13090000

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.1.0 of 12 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.