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Treatments – Topical

treatments Topical treatments are usually the first treatments used for mild to moderate psoriasis. These are creams and ointments you apply to affected areas. They are all that some people need to control their condition.

If you have scalp psoriasis, a combination of shampoo and ointment may be recommended.

Topical corticosteroids

Topical corticosteroids are commonly used to treat mild to moderate psoriasis in most areas of the body. The treatment works by reducing inflammation. This slows the production of skin cells and reduces the symptoms of itching.

Topical corticosteroids range in strength from mild to very strong. Only use topical corticosteroids when recommended by your doctor. Stronger topical corticosteroids can be prescribed by your doctor and should only be used on small areas of skin or on particularly thick patches. Overusing topical corticosteroids can lead to skin thinning.

Vitamin D analogues

Vitamin D analogue creams are commonly used along with, or instead of, topical corticosteroids for mild to moderate psoriasis affecting areas such as the limbs, trunk or scalp. They work by slowing the production of skin cells. They also have an anti-inflammatory effect.

Types of vitamin D analogues include calcipotriol, calcitriol and tacalcitol. There are very few side effects, as long as you do not use more than the recommended amount.

Calineurin inhibitors

Calcineurin inhibitors, such as tacrolimus and pimecrolimus, are medicines that reduce the activity of the immune system and help to reduce inflammation. They are sometimes used to treat psoriasis affecting sensitive areas (such as the scalp, the genitals and folds in the skin) if topical corticosteroids are ineffective.

These medications can cause skin irritation or a burning and itching sensation when they are started, but this will usually improve within a week.

Coal tar

Coal tar is a thick, heavy oil and is probably the oldest treatment for psoriasis. How it works is not exactly known, but it can reduce scales, inflammation and itchiness. It may be used to treat psoriasis affecting the limbs, trunk or scalp if other topical treatments are ineffective.

Coal tar can stain clothes and bedding and has a strong smell. It can be used in combination with phototherapy (see below).


Dithranol has been used for over 50 years to treat psoriasis. It has been shown to be effective in suppressing production of skin cells and has few side effects. However, it can burn if too concentrated.

It is typically used as a short-term treatment for psoriasis affecting the limbs or trunk under hospital supervision as it stains everything it comes into contact with, including skin, clothes and bathroom fittings. It is applied to your skin (while wearing gloves) and left for 10 to 60 minutes before being washed off.

Dithranol can be used in combination with phototherapy.

What to expect from you treatments ?

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  1. Topical
  2. Phototherapy
  3. Systemic