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Calcipotriene is what I reach for when someone needs to come off a strong steroid but still needs something on the plaques — cheap, generic, and it does not thin skin. It stings on the face, in the groin and under the breasts, so do not use it there. Salicylic acid inactivates it, so a drugstore scale softener can quietly cancel the prescription out. And there is a weekly limit, because more of a vitamin is not safer.
— Dr. Schwarz, Board Certified Dermatologist
Key Facts
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| Also called | Dovonex, Sorilux, calcipotriol |
| Drug class | Topical vitamin D3 analog, non-steroidal |
| Applied as | 0.005% ointment, cream, scalp solution or foam |
| Typical course | Long term, often as maintenance between steroid courses |
| Time to work | Some change in 2 weeks, best result at 6 to 8 weeks |
| Prescription only | Yes |
What It Is
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Calcipotriene is a lab-made relative of vitamin D, used on the skin for plaque psoriasis. In use since the early 1990s and heavily studied. Outside the United States it is spelled calcipotriol. It keeps vitamin D's effect on skin cells while losing most of its effect on blood calcium, which is what made a vitamin D treatment usable on skin at all. Some of the calcium effect remains, which is why there is a weekly limit. It is most often prescribed with a topical steroid, either as two products or as one combined ointment, foam or gel.
How It Works
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In plaque psoriasis, skin cells in the top layer divide far too quickly and never finish maturing. They pile up as thick silvery scale instead of forming a smooth surface.
Calcipotriene binds the vitamin D receptor inside those cells. That receptor tells a skin cell when to stop dividing and start maturing. Switching it on slows the overgrowth, so the plaque thins and the scale drops away. It also calms immune cells in the plaque, more mildly.
A steroid works on a different target, damping inflammation and redness. That is why the two are combined: the steroid takes redness and itch down quickly, the vitamin D analog does the slower work on thickness and scale, without thinning skin.
Ultraviolet light breaks calcipotriene down, which matters with phototherapy.
Here is where Calcipotriene acts in the skin, and what the others do instead.
About Calcipotriene
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Skin basics
In a plaque, skin cells travel from the bottom of the epidermis to the surface in four to six days instead of a month, and pile up as scale. Calcipotriene slows them back down, so the plaque thins. A vitamin D relative. Often paired with a steroid in one tube.
Calcipotriene is a vitamin D relative, fat-soluble and able to cross. It is broken down quickly once in, which is what keeps it from affecting calcium in the body the way vitamin D would.
The redness, swelling and itch are the immune system reacting, not the damage itself. This turns that reaction down where it is happening, in the skin, which is why a rash settles within days.
The outer film of dead cells and oil. It holds water in and keeps irritants out, and it is thinner than a sheet of paper. Almost every dry, itchy, stinging skin problem starts here.
The outer layer, and the only one anything in a jar reaches. It renews itself constantly: a cell made at the bottom takes about a month to reach the surface and flake off. Most of what a skincare product does, it does here.
The living layer underneath, holding the blood vessels, the nerves and the collagen. It is where lasting change happens and it is hard to reach: most of what is sold for the skin never gets this far.
What It Treats
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Not the Best For
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Forms
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Same drug, several vehicles, chosen by where on the body it goes.
Ointment:
Cream:
Scalp solution:
Foam:
Combined with a steroid:
Strengths
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One strength only. There is no weaker or stronger version, so treatment is stepped up by changing the vehicle or adding a steroid.
Basics
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Sample Routine
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Here is where Calcipotriene sits in a day, and what goes around it. Pick what you are treating and what your skin is like, and the rest of the routine changes to suit.
What to Expect
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What to Avoid
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- The face, eyelids, groin and under the breasts: Thin skin burns and stings there. Wash your hands after applying, so it is not carried to your face.
- Using more than about 100 grams a week Enough absorbed at once can raise blood calcium. More is not better and not safer.
- Treating very large areas of the body Roughly a third of the body surface is the ceiling. Widespread psoriasis calls for a different treatment, not more cream.
- Salicylic acid products at the same time Salicylic acid inactivates calcipotriene. Keep a scale softener well apart in the day, or ask about a different one.
- Applying it before phototherapy Ultraviolet light breaks the drug down. Apply it after the session.
- Erythrodermic or pustular psoriasis These widespread, unstable forms carry a real risk of raised blood calcium with vitamin D analogs, and need urgent care rather than a tube.
- Open, cracked or weeping skin Absorption goes up and stinging is much worse.
Monitoring
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No routine blood tests when it is used normally: plaques only, within the weekly amount, healthy kidneys.
The one thing watched for is raised blood calcium. It is rare, and it comes from using far more than recommended, treating very large areas, or kidney disease that stops the body clearing the extra calcium. Calcium may be checked if any of those apply, or if you take high-dose vitamin D or calcium supplements. Symptoms are unusual thirst, passing more urine than usual, nausea, constipation, muscle weakness and confusion.
Monitoring is otherwise clinical — the skin at six to eight weeks, and how much of a tube is used per week. With the combined steroid product, the review also covers how long the steroid has run.
Long term, calcipotriene alone is a drug you can stay on. Nothing accumulates and it does not thin skin, which is why it is the usual maintenance between steroid courses.
If You Stop
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No taper and no withdrawal from calcipotriene itself. Psoriasis is long-term, so plaques generally come back after stopping, over weeks to months — the disease returning, not a rebound caused by the drug. Rebound matters when it has been part of a combined product with a strong steroid. Stopping a potent steroid abruptly after a long run can cause a flare, which is why the plan is to come off the steroid and continue calcipotriene alone.
Cost
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Generic calcipotriene is cheap and widely available; cost is rarely the barrier for the plain ointment or cream. The branded combination products, and the foam and suspension forms, cost substantially more and often need prior authorization. Plans usually want a topical steroid, and often generic calcipotriene, tried first. If cost decides it, generic ointment or cream plus a separate generic steroid does much the same job, at the price of two tubes.
Ask Your Doctor
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How It Compares
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Myths
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- "It is a steroid." It is not. A vitamin D analog on a different receptor, and it does not thin skin, which is why it is used for maintenance where a steroid cannot be.
- "Taking vitamin D pills does the same thing." No. Oral vitamin D at doses that would treat plaques would raise blood calcium dangerously. The drug was redesigned to work in the skin without that.
- "More will clear it faster." No, and this is the one where more carries a real risk. Going over the weekly amount is the main route to raised blood calcium.
- "If it stings, it is working." Stinging is irritation, not effect. It is the most common reason people give up, and usually settles with moisturizer first.
- "It stopped working." Sometimes a salicylic acid product alongside it is inactivating the drug. Check that before concluding failure.
Questions Patients Ask
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Is calcipotriene a steroid?
No. A vitamin D analog. It does not thin skin, which is why it can be used long term and is often the maintenance treatment after a steroid course.
Can I use it on my face?
No. The face, eyelids, groin and under the breasts all sting badly — thin skin. Ask about a different product for those areas.
How much can I use?
About 100 grams a week, and about a third of the body surface. That limit keeps blood calcium from rising.
Why does it burn?
Irritation is the most common side effect, worst in the first days. Moisturizer first, or once a day for a week or two, settles it.
Can I use a salicylic acid scale remover with it?
Not at the same time. Salicylic acid inactivates calcipotriene. Keep them well apart in the day or ask about an alternative.
Do I need blood tests?
Not for normal use with healthy kidneys. Calcium may be checked with kidney disease, very large amounts, or high-dose vitamin D.
References
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- Ashcroft DM, Li Wan Po A, Williams HC, et al. Combination regimens of topical calcipotriene in chronic plaque psoriasis: systematic review of efficacy and tolerability. Archives of dermatology. 2000. — Archives of dermatology, 2000
- Gu X, Shen M, Zhao S, et al. Combination of targeted UVB phototherapy and calcipotriene versus targeted UVB alone in psoriasis: systematic review and meta-analysis of randomized controlled trials. The Journal of dermatological treatment. 2022. — The Journal of dermatological treatment, 2022
- de Jager ME, de Jong EM, van de Kerkhof PC, et al. Efficacy and safety of treatments for childhood psoriasis: a systematic literature review. Journal of the American Academy of Dermatology. 2010. — Journal of the American Academy of Dermatology, 2010
- Zwischenberger BA, Jacobe HT. A systematic review of morphea treatments and therapeutic algorithm. Journal of the American Academy of Dermatology. 2011. — Journal of the American Academy of Dermatology, 2011
- Haidari W, Pona A, Feldman SR. Management of Residual Psoriasis in Patients on Biologic Treatment. Journal of drugs in dermatology : JDD. 2020. — Journal of drugs in dermatology : JDD, 2020
