Protopic (Tacrolimus) Ointment – Patient Information (UK)

Protopic contains tacrolimus, an immunosuppressive medicine used to treat inflammatory skin conditions such as eczema (atopic dermatitis). It helps reduce inflammation and itch, and it can be used on areas of skin that may not respond well to other treatments or when long-term control is needed.

This page explains how Protopic works, how it is used, key safety points, and practical tips. It is written for patients in the United Kingdom and provides general guidance (not individual medical advice).

Basic product information

How Protopic works (mechanism of action)

Tacrolimus is a topical immunomodulator. In the skin, it suppresses activation of certain immune cells and blocks specific inflammatory pathways by inhibiting calcineurin.

In practical terms, this means Protopic can help to:

• Reduce redness, swelling and itching from eczema inflammation
• Improve skin barrier function over time
• Lower the likelihood of flare-ups when used as a maintenance strategy in suitable patients

Pharmacokinetics – what happens in the body

Protopic is applied to the skin, and only small amounts of tacrolimus are absorbed through intact skin in most people. Absorption can be higher if:

• Large areas are treated
• The skin barrier is severely damaged (e.g., during active severe eczema)
• Ointment is used under occlusion (coverings that trap heat/moisture), unless specifically advised

Once absorbed, tacrolimus can enter the bloodstream. However, blood levels after topical use are typically far lower than those seen with oral tacrolimus, and routine monitoring is usually not required for typical topical use.

The medicine is metabolised mainly by liver enzymes (cytochrome P450 pathways). In a limited number of patients, interactions could affect blood levels, which is why it is important to consider medicine interactions and advise a pharmacist or clinician if you use other products.

What Protopic is used for (typical use and indications)

Protopic is used for eczema (atopic dermatitis). It is commonly prescribed for:

• Treatment of eczema flares in appropriate patients
• Prevention of relapse in patients who experience frequent flare-ups, as part of a defined maintenance approach
• Short-term, intermittent use on areas that tend to recur
• Management of eczema in areas where other treatments may be less suitable, depending on the patient and clinician advice

Protopic is not intended for bacterial, fungal, or viral skin infections. If you suspect an infection, treatment plans may need to change.

When to apply – timing and typical treatment pattern

The exact schedule depends on the strength (e.g., 0.03% vs 0.1%), your age, severity, and whether the goal is flare control or relapse prevention. Your healthcare professional will provide an individual plan, but general patterns include:

• Flares (acute treatment): typically applied twice daily until symptoms improve.
• Maintenance (prevention of relapse): once symptoms settle, tacrolimus is often used intermittently on areas prone to relapse, commonly twice weekly.

How to start

• Apply a thin layer to affected areas only.
• Use consistent timing (e.g., morning and evening) to help remember.
• Continue for the planned duration even if symptoms improve early.

How to use Protopic safely and effectively (practical tips)

Good application technique improves effectiveness and reduces irritation. Consider the following tips:

• Start with clean, dry skin: gently wash with a mild cleanser if needed, pat dry, then apply.
• Use the right amount: a “thin layer” is usually enough. Too much may increase absorption and side effects.
• Wash hands after application: unless your hands are the treated area.
• Avoid getting it in eyes or mouth: if accidental contact occurs, rinse thoroughly with water.
• Do not cover with occlusive dressings: unless your clinician advises it.
• Moisturisers: moisturisers can often be used. Apply Protopic first, then moisturiser after the ointment has been absorbed (often about 15–30 minutes, or as you find comfortable).
• Sun protection: protect treated areas from sun/UV exposure, including sunbeds. Ask a pharmacist about suitable sunscreen and clothing; avoid direct sun where possible.

Burning or stinging – what to expect

A common early side effect is a transient burning, stinging, or warmth sensation, especially at the beginning of treatment. It often improves after repeated use. You can reduce irritation by:

• Applying to skin that is not overly wet
• Using moisturisers as advised
• Confirming you are applying only a thin layer

Food interactions

Because Protopic is used on the skin, it has no direct food-related interactions in the way oral medicines do. However, if you have eczema flares, diet changes or allergies can sometimes influence symptoms in certain individuals. If you are considering major dietary changes, talk to a clinician or pharmacist.

Alcohol and medicine interactions

Topical tacrolimus generally has low systemic absorption, so the likelihood of significant alcohol interactions is low. That said, interactions can still occur for two main reasons:

• Other medicines may affect tacrolimus metabolism if absorption becomes higher
• Some people treat widespread eczema and may have higher absorption than expected

Tell your pharmacist if you use any medicines

Especially inform a healthcare professional if you use:

• Immunosuppressants (including other tacrolimus preparations or systemic therapies)
• Medicines that affect liver enzymes (e.g., certain antifungals or antibiotics that inhibit CYP3A4, or other strong inhibitors/inducers)
• Phototherapy or other skin treatments for eczema

If your pharmacist or clinician advises it, medication adjustments may be needed. Avoid starting new products on treated skin without advice, especially if you are using other topical immunomodulators.

Possible side effects and safety profile

Most patients tolerate Protopic well. However, like all medicines, it may cause side effects. The following list summarises commonly reported effects and important warnings.

Common side effects

• Skin burning, stinging, or warmth at the application site (often early in treatment)
• Itching or irritation
• Redness
• Skin sensitivity in the treated area

Less common or serious concerns – seek medical advice promptly if

• You develop signs of skin infection such as increasing pain, swelling, oozing, crusting, fever, or rapidly spreading redness.
• Symptoms of viral skin infection appear (e.g., cold sores or widespread blisters), particularly if eczema is near the mouth.
• There is no improvement after the period advised by your clinician, or symptoms worsen.
• You experience significant or persistent irritation that does not settle with continued use.

Warnings and precautions

• Sun exposure: avoid excessive sunlight and tanning. Use sun protection on treated areas.
• Pregnancy and breastfeeding: decisions should be individual. Discuss with a clinician if you are pregnant, trying to become pregnant, or breastfeeding.
• Children and infants: suitability depends on age, formulation strength, and eczema severity. Follow age and strength guidance provided by your clinician.
• Long-term intermittent use: maintenance schedules are designed to reduce relapse risk while limiting continuous exposure. Follow the planned intermittent regimen if prescribed for this purpose.

Dosing – what “dose” means for an ointment

With topical tacrolimus, dosing is described by strength, frequency, and the amount applied. A clinician decides the appropriate strength based on age and severity.

Typical dosing concepts

• Strength: Protopic is available in different concentrations (commonly 0.03% and 0.1%).
• Frequency for flares: often twice daily until improvement occurs.
• Maintenance: often twice weekly on areas that usually relapse.
• Amount: a thin layer covering the affected area.

What to do if you miss a dose

If you miss an application, apply it when you remember unless it is close to the next dose. In general, do not apply extra to make up for the missed dose. If you are unsure, ask a pharmacist.

Alternative options for eczema

Eczema treatment is individual. Alternatives depend on severity, age, body site, and whether you need flare treatment or maintenance. Options may include:

• Emollients (moisturisers): key daily care to improve skin barrier function
• Topical corticosteroids: useful for flares, especially for short courses as directed
• Topical PDE4 inhibitor (crisaborole) – where available: used in some mild-to-moderate eczema cases
• Other topical immunomodulators: in certain circumstances, depending on product availability and clinical judgement
• Systemic treatments: for severe, widespread disease under specialist care (e.g., biologics or oral immunosuppressants)
• Phototherapy: a hospital/clinic-based option for some patients

Your pharmacist or clinician can help you choose an approach that balances effectiveness, safety, and lifestyle preferences.

Market and legal context – United Kingdom

In the UK, Protopic (tacrolimus) is a licensed medicine for appropriate dermatological indications and is supplied in accordance with UK medicines regulation. Availability and how it is supplied may depend on local pharmacy services and current NHS/private prescribing pathways.

The use of tacrolimus aligns with evidence-based eczema management strategies, including roles for topical anti-inflammatory therapies and maintenance regimens to reduce relapse.

Recent guidance and best-practice considerations (UK)

Eczema management in the UK commonly follows stepped-care principles and emphasises:

• Regular emollient use as baseline therapy
• Appropriate anti-inflammatory treatment for flares
• Maintenance strategies to prevent relapse in frequent repeat cases
• Minimising harms by tailoring treatment intensity to severity and using targeted skin-area approaches
• Infection vigilance, as eczema can become infected (bacterial) and viral conditions can complicate treatment
• Age- and site-specific decisions, particularly for sensitive areas

Always follow the plan given to you by your clinician. If your eczema pattern changes significantly (e.g., widespread flare, infection signs, or new areas), seek medical advice promptly.

Delivery and availability in the UK

Protopic availability can vary by strength and pack size. Online pharmacies in the UK typically offer:

• Home delivery with standard or expedited options, depending on provider
• Secure packaging and temperature-appropriate handling
• Stock checks to reduce delays

Delivery times depend on location and local logistics. If you have an urgent flare, contact the pharmacy to check the most reliable dispatch option.

Storage and handling

• Store at room temperature, away from excessive heat and sunlight.
• Keep the tube tightly closed.
• Keep out of reach and sight of children.
• Check the expiry date on the pack. Do not use past expiry.

FAQ

Is Protopic a steroid?

No. Protopic (tacrolimus) is a calcineurin inhibitor and is not a corticosteroid steroid.

When will I see results?

Many people notice improvement within a few days, but results vary. Eczema is sometimes slow to settle, especially if the skin barrier is very damaged. If you do not see any improvement after the timeframe advised by your clinician, speak to a pharmacist.

Can I use Protopic on my face?

It may be suitable for facial eczema in appropriate patients when advised by a clinician. Avoid the areas close to eyes and mouth unless specifically instructed.

Will it stop my eczema permanently?

Eczema is typically a chronic, relapsing condition. Protopic can control flare-ups and reduce relapse frequency when used as part of a maintenance plan. Long-term management often includes ongoing emollient care.

Can I use moisturiser at the same time?

Yes, moisturisers can usually be used. Apply Protopic first, then apply moisturiser after it has absorbed, or follow advice from your clinician.

Is it safe to use long term?

Tacrolimus maintenance regimens (intermittent use on relapse-prone areas) are widely used to reduce flare frequency. Long-term safety depends on correct use and follow-up. Use exactly as advised and discuss any concerns with a pharmacist or clinician.

What if my eczema gets infected?

If you notice signs of infection (increasing pain, warmth, spreading redness, pus/oozing, or fever), seek medical advice promptly. Protopic may need to be reassessed during infection.

Can I use it with other skin treatments?

Some combinations may be appropriate, but others may increase irritation or affect absorption. Tell your pharmacist about any other creams, gels, or medicated products you use.

Does Protopic affect contraception, pregnancy, or breastfeeding?

If you are pregnant, planning pregnancy, or breastfeeding, discuss your eczema treatment plan with a clinician. They will weigh benefits and risks for your situation.

Can I drink alcohol while using Protopic?

Alcohol does not usually interact directly with topical tacrolimus. However, if you take other medications, or you have severe eczema with higher absorption, it is wise to follow the advice of your pharmacist regarding medicines interactions.

What should I do if I accidentally get Protopic in my eyes?

Rinse immediately with plenty of water. Seek medical advice if irritation persists.

Need help choosing or using Protopic?

If you are unsure about which strength is right for you, how often to apply it, or whether it suits your skin type or treated body areas, consult your pharmacist or clinician. They can also advise on moisturiser routines, infection checks, and flare prevention strategies.