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Synalar is a hormone treatment that contains the active ingredient fluocinolone acetonide, which is a type of medicine known as a topical corticosteroid (adrenal cortex hormone). More information

Lowest price
£45.12 (incl. VAT)
In stock
Prescription required
Yes (consultation included in the price)

Read the package leaflet for more information about risks and side effects, or ask your doctor or pharmacist for advice.

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Patient Leaflet(s)

What is Synalar?

Synalar is a hormone treatment that contains the active ingredient fluocinolone acetonide, which is a type of medicine known as a topical corticosteroid (adrenal cortex hormone). Synalar is used to reduce inflammation and relieve symptoms such as itching, pain, scaling, redness and swelling.

What is Synalar used for?

Synalar is used to treat skin irritation, such as itchy rash, lumps, blisters and other skin problems. These symptoms can be caused by:

  • Eczema;
  • Psoriasis;
  • Lichen planus (purple-red, itchy, flat-topped papules);
  • Lupus erythematosus (an autoimmune disease that can affect many different body systems, including the skin).

In addition to regular Synalar, there is also Synalar C, which contains an antibacterial ingredient called clioquinol, and Synalar N, which contains an antibiotic called neomycin. These products are used to treat irritated skin with inflammation, or skin that is prone to inflammation.

How to use Synalar

Synalar is available as an ointment, cream and gel. Synalar cream is suitable for moist, weeping areas of skin, while the thicker, greasier ointment is more suitable for dry, scaly areas of skin. Synalar gel is suitable for use on the scalp and other hairy areas of skin.

Synalar cream, ointment or gel should be applied thinly and evenly to the affected area(s). Avoid getting the medicine in the eyes and wash your hands thoroughly after application. Do not cover the treated area(s) with bandages or other dressings unless otherwise instructed by your doctor (be aware that children’s nappies can also act as an airtight dressing!). Airtight dressings can cause the active ingredient to be absorbed too deeply, which increases the chance of side effects. For this reason, Synalar products should also not be used on large areas of the skin.


The general recommended dose for adults and children aged one and above is:

  • Two to three times a day applied thinly to the affected area(s).

The duration of treatment should be established by a doctor. In most cases, Synalar is used for seven days. If this medicine is used in children or on the face, it should not be used for longer than five days in a row. Always follow the prescribed dosage and read the package leaflet closely before use.

Side effects

Synalar can cause side effects, including:

  • Skin irritation at the application site;
  • Thinning of the skin.

If corticosteroids are used long term, they are absorbed into the body more. This increases the risk of side effects such as oedema (fluid retention) and glaucoma (elevated eye pressure). See the package leaflet for more information on possible side effects.

When not to use Synalar

Synalar is not suitable for everyone and should not be used in:

  • people who are hypersensitive to fluocinolone acetonide or any other ingredient in this medicine;
  • children under one year of age;
  • people with acne, viral or fungal skin infections (e.g. athlete’s foot, herpes simplex or chicken pox).

This product can interact with other medicines. See the package leaflet for a complete list of interactions, contraindications and warnings.

Pregnancy/driving ability/alcohol

Synalar should not be used, or only with a doctor’s approval, if you are pregnant or breastfeeding.

Synalar does not interact with alcohol or affect your ability to drive safely.

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