top of page

Understanding Steroid Injections in Dermatology Benefits Risks and Common Treatments

  • Writer: Dr Bryan McDonald
    Dr Bryan McDonald
  • Jun 5
  • 3 min read

Steroid injections have become a common tool in dermatology for managing various skin conditions. These injections deliver corticosteroids directly into affected areas to reduce inflammation and promote healing. Understanding how steroid injections work, their benefits, risks, and the conditions they treat can help patients make informed decisions about their skin care.


Close-up view of a dermatologist preparing a steroid injection for a skin treatment
Steroid injections for alopecia

What Are Steroid Injections and How Do They Work?


Steroid injections involve administering corticosteroids, synthetic drugs that mimic the hormone cortisol produced by the adrenal glands. Cortisol naturally reduces inflammation and suppresses immune responses. When injected into the skin or underlying tissues, corticosteroids act locally to:


  • Decrease swelling and redness

  • Suppress immune cells causing inflammation

  • Slow down overactive skin cell growth


This targeted approach helps control symptoms quickly and effectively, especially in conditions where inflammation plays a central role.


The injections are usually given with a fine needle directly into the lesion, joint, or affected skin area. The corticosteroid then diffuses into the surrounding tissue, reducing inflammation and allowing the skin to heal.


Benefits of Steroid Injections in Dermatology


Steroid injections offer several advantages for treating skin conditions:


  • Rapid relief from inflammation: Inflammation causes pain, redness, and swelling. Steroid injections reduce these symptoms faster than topical treatments alone.

  • Targeted treatment: Direct injection delivers medication precisely where it is needed, minimizing systemic side effects.

  • Promotes healing: By calming inflammation, steroid injections help restore normal skin function and appearance.

  • Reduces scarring: In some cases, controlling inflammation early can prevent permanent skin damage or scarring.

  • Convenient and effective: Injections often require fewer treatments compared to creams or oral medications.


These benefits make steroid injections a valuable option for patients with stubborn or severe skin problems.


Potential Risks and Side Effects


While steroid injections are generally safe when administered by trained professionals, they carry some risks and side effects. Patients should be aware of these before treatment:


  • Skin thinning (atrophy): Repeated injections can cause the skin to become thin or fragile at the injection site.

  • Discoloration: Some patients may experience lightening or darkening of the skin where the steroid was injected.

  • Pain or discomfort: Mild pain or bruising can occur during or after the injection.

  • Infection: Though rare, there is a small risk of infection at the injection site.

  • Allergic reactions: Some individuals may react to the steroid or other injection components.

  • Systemic effects: Large or frequent doses can lead to systemic side effects like elevated blood sugar or hormone imbalance, but this is uncommon with localized injections.


Doctors carefully weigh these risks against the benefits and monitor patients to minimize complications.


Common Dermatological Conditions Treated with Steroid Injections


Steroid injections are used to manage a variety of skin disorders, especially those involving inflammation or abnormal immune responses. Some common conditions include:


1. Keloids and Hypertrophic Scars


Keloids are raised, thickened scars that grow beyond the original wound boundaries. Steroid injections help flatten and soften these scars by reducing collagen production and inflammation. Multiple sessions spaced weeks apart are often needed for best results.


2. Alopecia Areata


This autoimmune condition causes patchy hair loss. Steroid injections into the scalp suppress immune attack on hair follicles, promoting hair regrowth in many cases.


3. Lichen Planus or other inflammatory rashes


Lichen planus causes itchy, purple, flat-topped bumps on the skin or mucous membranes. Steroid injections reduce inflammation and itching, helping lesions heal faster. This can also be beneficial in other inflammatory skin rashes.


4. Granuloma Annulare


This condition causes ring-shaped bumps on the skin. Steroid injections reduce inflammation and help lesions resolve.


5. Other Inflammatory Skin Nodules


Steroid injections can treat cysts, nodules, or lumps caused by inflammation, such as in cystic acne or certain autoimmune disorders.


What to Expect During and After Treatment


Steroid injections are usually performed in a dermatologist’s office. The process involves:


  • Cleaning the skin area thoroughly

  • Using a fine needle to inject the steroid directly into the lesion or affected tissue

  • The procedure typically takes only a few minutes


Patients may feel a brief sting or pressure during the injection. Afterward, mild soreness or bruising can occur but usually resolves within a few days.


Follow-up appointments help monitor progress and decide if additional injections are needed.


When to Avoid Steroid Injections


Steroid injections are not suitable for everyone. Avoid injections if you:


  • Have an active skin infection at the injection site

  • Are allergic to corticosteroids or injection components

  • Have certain systemic conditions that steroids could worsen (discuss with your doctor)


Always discuss your full medical history with your dermatologist before treatment.



Dr Bryan McDonald

Dr Bryan McDonald | drbryan | Consultant Dermatologist | GMC specialist registered | Male genital Dermatology | Paediatric Dermatology | General Adult Dermatology | Complex Medical Dermatology | Acne vulgaris | Acne | Rosacea | Warts | Eczema | Psoriasis | Hidradenitis Suppurativa | Cryotherapy | Skin surgery | Skin Cancer Assessment | Mole Map | Dermoscopy

Practice Locations
 

Skin Health and Allergy
1 Welbeck Street,
London, W1G 0AR
(Insured and self funding adults)
Tel: 0203 653 2007

Angel Laser Centre

144 Liverpool Rd, 

London N1 1LA

(Self funding adult consults)

Tel: 0207 607 5111

© 2026 by Dr Bryan McDonald - Photographs courtesy of Simon Jarrett Photography

The information on this website is not a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified clinician.

bottom of page