If you’ve been prescribed a treatment for psoriasis or eczema, there’s a good chance it fell into one of two buckets: a steroid cream, or something marketed as “steroid-free.” Neither one is automatically the right answer. Each has a real tradeoff. Understanding that tradeoff can help you have a better conversation with your dermatologist.
How Topical Steroids Actually Work
Topical steroids do a few things at once. They narrow blood vessels near the skin’s surface, which cuts down redness and swelling. They calm the immune signals driving inflammation. And they slow down the overactive skin cell production behind psoriasis plaques.
Steroids come in a range of strengths. Mild ones, like hydrocortisone, are available over the counter. Stronger ones need a prescription. The more severe the flare, the stronger the steroid a dermatologist will usually reach for, at least at first.
The Real Tradeoff With Steroids
Steroids work fast. That’s genuinely useful during a bad flare. The tradeoff shows up with long-term use, especially with the stronger ones.
The most common problem is thinning skin. Steroids slow down new skin cell growth. That’s part of why they calm psoriasis down so well. But that same effect can thin out healthy skin over time. This risk goes up with stronger steroids, longer use, and thinner-skinned areas like the face, eyelids, or skin folds.
Steroids can also stop working as well the longer you use them without a break. And stopping a strong steroid suddenly, instead of tapering off slowly, can trigger a flare-up. In rare cases, it can even bring on a more severe form of psoriasis. This is why dermatologists give specific instructions on how long to use a steroid and how to stop, rather than just “use it whenever you need it.”
What “Non-Steroid” Topicals Actually Are
“Non-steroid” isn’t one single thing. It covers a few different types of medication, and they work in genuinely different ways:
- Calcineurin inhibitors (tacrolimus, pimecrolimus) block a step in how immune cells activate. This cuts down the same inflammation driving eczema and psoriasis, but without narrowing blood vessels, so they don’t carry the thinning-skin risk.
- PDE4 inhibitors (crisaborole) work through a different pathway, reducing several inflammatory signals involved in eczema.
- Vitamin D analogues (calcipotriene) target psoriasis specifically. They slow down the same overactive skin cell growth steroids do, just through a different route.
The Real Tradeoff With Non-Steroids
Non-steroid options don’t carry the thinning-skin risk at all. That’s a big reason dermatologists often prefer them for long-term use, and for sensitive spots like the face, eyelids, or skin folds, where steroids are riskiest.
The tradeoff: they tend to work more slowly. Calcineurin inhibitors especially can cause burning or stinging for the first several days. That leads some people to give up before the medication has a real chance to work. They’re also usually prescription-only, and often cost more than an over-the-counter steroid.
How Dermatologists Often Combine Both
In practice, this usually isn’t either-or. A common approach: use a steroid to get a bad flare under control quickly, then switch to a non-steroid option for ongoing, longer-term care. Sometimes this is called a “steroid-sparing” approach. It gets you the fast relief of a steroid during the worst of a flare, without the thinning-skin risk that builds up from using one indefinitely.
When to See a Dermatologist
- You’ve used an over-the-counter steroid cream for more than a couple of weeks with no real improvement
- You notice thinning, discoloration, or stretch marks where you’ve been applying a steroid
- A flare gets noticeably worse shortly after you stop using a steroid you’d been using regularly
- You’re dealing with a flare on your face, eyelids, or a skin fold and aren’t sure what’s actually safe to use there
This article is meant to help you understand the tradeoffs, not to pick a specific product or length of use on your own. That depends on your skin, your condition, and where it is, which is exactly what a dermatologist should help you decide.
Mike Marenick is the founder of HealFast Skincare and holds the patent for his invention, Ovasome Technology, used in skincare formulations. He began developing skincare products after watching his mother manage psoriasis for decades, and has spent over twenty years formulating treatments for chronic skin conditions. His work has been featured on Home Shopping Network, in two national infomercials, and in more than 300 publications including Vogue, Newsweek, and Allure. He is not a medical doctor — always consult a dermatologist for diagnosis and treatment of skin conditions.