What Does Hemorrhoid Cream Do & How Does It Work?

Hemorrhoid creams deliver a combination of active ingredients directly to inflamed anal and perianal tissue, where they temporarily shrink swollen blood vessels, numb pain, reduce itching, and protect raw skin from further irritation. Most over-the-counter formulas rely on some mix of local anesthetics, low-dose corticosteroids, vasoconstrictors, and skin protectants to manage symptoms, though the specific blend varies widely between products. The creams do not cure hemorrhoids or make them disappear permanently, but they can make a flare-up considerably more bearable while the body heals or while you pursue other treatments.

What Is Actually in the Tube

If you line up several hemorrhoid creams and read the labels, you will see a handful of ingredients appearing over and over in different combinations. Understanding what each one does explains why some products feel immediately soothing while others seem more focused on swelling, and why no single product addresses every symptom equally well.

Local anesthetics: Ingredients like lidocaine, pramoxine, and dibucaine temporarily block nerve signals in the tissue they contact. This is the component responsible for the numbing sensation that takes the edge off pain and itching within minutes of application.
Corticosteroids: Hydrocortisone is the most common steroid in hemorrhoid creams. It works by dampening the inflammatory response in the tissue, which reduces swelling, redness, and the persistent itch that often accompanies hemorrhoid flare-ups. Prescription-strength products sometimes use stronger steroids.
Vasoconstrictors: Phenylephrine is the main one you will find in the United States. It causes small blood vessels to narrow temporarily, which can reduce the engorgement that makes external hemorrhoids feel puffy and uncomfortable. This is the same type of compound used in nasal decongestant sprays, applied to a very different part of the body.
Skin protectants: Petrolatum, mineral oil, cocoa butter, zinc oxide, and similar ingredients form a physical barrier on the skin surface. They shield raw or irritated tissue from contact with stool and moisture, reduce friction, and help the skin retain its own moisture as it heals.

A review of topical hemorrhoid treatments noted that common formulations typically combine an anesthetic, a corticosteroid, and an anti-inflammatory agent to address multiple symptoms simultaneously.¹ Some products lean heavily on one category. Preparation H’s flagship ointment, for instance, centers on phenylephrine and petrolatum with no steroid, while its “anti-itch” cream swaps in hydrocortisone. Reading the active-ingredient panel matters more than reading the brand name.

How These Ingredients Work on Hemorrhoid Tissue

Hemorrhoids are cushions of blood vessels, connective tissue, and smooth muscle that sit in the anal canal. Everyone has them. They become a problem when the tissue swells, slides out of position, or develops surface erosions that bleed and itch. The creams target the consequences of that process rather than the structural problem itself.

When you apply a cream containing hydrocortisone, the steroid suppresses local immune-cell activity and reduces the chemical signals that drive swelling and itch. A trial comparing topical hydrocortisone cream with another perianal treatment in pregnant women found that both groups experienced improvement in pain, swelling, bleeding, itching, and discomfort, confirming that topical steroid application can address the full range of hemorrhoid symptoms.² The anesthetic component works independently: it blocks sodium channels in local nerve fibers so pain and itch signals never reach the brain. Because the tissue involved is mucous membrane and thin perianal skin, topical anesthetics penetrate relatively easily and take effect within a few minutes.

Vasoconstrictors act on a different front. By tightening the smooth muscle around small blood vessels, phenylephrine temporarily reduces blood flow to the swollen cushion, which can lessen that throbbing, full-feeling pressure. The effect is short-lived, usually a few hours, and does nothing to address the underlying structural changes. Skin protectants, meanwhile, are the least glamorous but arguably the most underrated component. A barrier of petrolatum or zinc oxide prevents stool enzymes and moisture from irritating already damaged skin, which reduces the cycle of irritation, scratching, and further damage that keeps symptoms going.

How Long You Can Safely Use Them

Most over-the-counter hemorrhoid creams carry label instructions to limit use to about seven days, and that guidance is driven almost entirely by the steroid component. Hydrocortisone, even at low concentrations, can thin the delicate perianal skin with prolonged use, making the tissue more fragile and prone to tearing. In theory, long-term continuous application could also lead to absorption of enough steroid to cause effects similar to systemic corticosteroid use, though this is rare at OTC doses.

A clinical investigation into longer-term use of a hydrocortisone-containing ointment found no adverse reactions among 578 patients, with a median treatment period of about 20 days. However, the study’s own documentation cautioned that long-term continuous use should be avoided because it may cause symptoms associated with systemic corticosteroids.³ The takeaway: a course of two to three weeks is generally tolerable for most people, but if you find yourself reaching for the cream month after month, the hemorrhoids likely need a different approach.

Products that contain only protectants and vasoconstrictors without a steroid can be used for longer stretches with less concern, because the thinning-skin risk comes specifically from the corticosteroid. If you are managing a chronic or frequently recurring situation, switching to a steroid-free protectant between flare-ups and reserving the hydrocortisone cream for acute episodes is a practical strategy.

Allergic Reactions to Hemorrhoid Creams

One of the less-discussed risks of hemorrhoid creams is contact dermatitis, an allergic skin reaction to one of the ingredients. The irony is hard to miss: a product meant to soothe irritated tissue can itself become the source of burning, redness, and worsening itch. Case reports have documented allergic contact dermatitis caused by ingredients in popular hemorrhoid formulations, including the local anesthetic dibucaine (also called cinchocaine) and the antibiotic neomycin, which cross-reacts with framycetin, another aminoglycoside antibiotic found in some international hemorrhoid creams.⁴

Patch-test data have shown that roughly 9% of tested patients had a definitive allergic reaction to neomycin, making it one of the more common contact allergens in topical medications.⁴ In severe cases, re-exposure to the offending ingredient has triggered widespread autoeczematization, a reaction where the rash spreads beyond the application site, sometimes requiring oral steroids to resolve. If your symptoms worsen after starting a new hemorrhoid cream, particularly if the itch intensifies or you develop a rash that extends beyond the perianal area, stop using the product and consider whether the cream itself is the problem.

Using Hemorrhoid Cream During Pregnancy

Hemorrhoids are extremely common during pregnancy, especially in the third trimester and immediately after delivery, because of increased pelvic blood flow and the mechanical pressure of the growing uterus on the veins in the rectal area. This puts pregnant women in an awkward position: they are among the people most likely to need these products, yet safety data during pregnancy is thin.

None of the commonly used topical hemorrhoid agents have been formally assessed for safety in pregnancy through rigorous clinical trials. That said, the consensus among clinicians is that the constituent parts, including local anesthetics, corticosteroids, and anti-inflammatory agents, are unlikely to harm a third-trimester infant when used topically at standard doses.¹ The reasoning is that very little of the active ingredient in a topical cream is absorbed into the bloodstream, so fetal exposure is minimal.

A multicenter study evaluated a plant-based hemorrhoid treatment (Euphorbia prostrata tablet and cream) specifically in pregnant women and found no adverse events in either mothers or newborns.⁵ While this is reassuring, it covers one specific formulation and does not substitute for data on the steroid-based or anesthetic-based products most women pick up at the pharmacy. The practical advice most obstetricians give is that short-term use of standard OTC hemorrhoid creams in the second and third trimesters carries very low risk, but it is worth confirming with your provider, especially if you are considering a prescription-strength product.

Cream Versus Other Conservative Measures

Hemorrhoid cream tends to be the first thing people reach for because it is on the drugstore shelf and provides noticeable relief quickly. But it is not the only conservative approach, and in some cases it is not even the most effective one. Sitz baths, which involve sitting in a few inches of warm water for 10 to 15 minutes, have been compared directly to topical creams for managing hemorrhoids.

A prospective trial comparing sitz baths with ano-rectal cream in pregnant women used a protocol in which both groups also received supportive measures: glycerin suppositories as a lubricant before defecation and a bulk-forming fiber supplement daily to soften stool.⁶ That design highlights an important practical point: creams work best as part of a package, not as a standalone fix. Adding fiber to soften stool reduces straining, which is one of the main mechanical forces that aggravates hemorrhoids. Keeping the area clean and dry between applications prevents the cycle of moisture-related irritation. Avoiding prolonged sitting on the toilet (including the phone-scrolling that extends bathroom visits well beyond what is necessary) reduces pressure on the hemorrhoid cushions.

If you are using cream alone and not seeing meaningful improvement, the supporting measures are often the missing piece. The cream manages symptoms; the lifestyle changes address the conditions that keep re-inflaming the tissue.

When Cream Is Not Enough

Hemorrhoid creams are designed for Grade I and mild Grade II hemorrhoids, the kind that bleed occasionally, itch, and cause discomfort but largely stay inside the anal canal or reduce on their own after a bowel movement. Once hemorrhoids progress to the point where they protrude and require manual pushing back in, or do not reduce at all, topical treatment can still provide temporary comfort but is unlikely to resolve the underlying problem.

At that stage, clinical interventions such as rubber band ligation, infrared coagulation, or surgical procedures become the mainstay of treatment. These approaches address the structural issue, either by cutting off blood supply to the excess tissue, shrinking it with heat, or physically removing it. The cream has no mechanism to achieve any of those things. If you have been using hemorrhoid cream regularly for weeks without lasting improvement, or if you notice persistent bleeding that is not just a streak on the toilet paper, those are signals that a clinician should evaluate whether the problem has moved beyond what topical treatment can handle.

It is also worth noting that not all rectal symptoms are caused by hemorrhoids. Anal fissures, abscesses, and in rare cases colorectal pathology can produce similar sensations. Applying hemorrhoid cream to a condition it was not designed for delays appropriate treatment. Persistent symptoms deserve a proper evaluation rather than another tube of cream.

Oral Supplements That Target Hemorrhoids Differently

Outside the world of topical creams, oral supplements based on plant-derived flavonoids have been studied as a different way to address hemorrhoid symptoms. The most researched is micronized purified flavonoid fraction (MPFF), derived from citrus plants. Rather than numbing or shrinking tissue from the outside, MPFF works from the inside by improving venous tone and reducing capillary permeability, the leakiness of small blood vessels that contributes to swelling and bleeding.⁷ It also appears to reduce vascular inflammation.

MPFF is widely prescribed in Europe and parts of Asia for both hemorrhoid flare-ups and chronic venous conditions in the legs. It is less commonly used in the United States, where it is available as a dietary supplement rather than a pharmaceutical. The distinction matters because regulatory oversight and quality control differ. But the concept is interesting: while hemorrhoid cream addresses the symptoms you can feel right now, oral flavonoid therapy aims to improve the vascular environment that makes hemorrhoids symptomatic in the first place. Some clinicians recommend combining both, using the cream for immediate relief and the oral supplement to reduce the frequency and severity of future episodes.

The Under-Eye Trick and Other Off-Label Uses

For decades, beauty columns and backstage makeup tips have recommended dabbing hemorrhoid cream under the eyes to reduce puffiness. The logic is straightforward: if phenylephrine can shrink swollen blood vessels in the rectal area, it should be able to do the same thing to puffy tissue under the eyes. And in a purely mechanical sense, it can, temporarily. The vasoconstrictor narrows blood vessels, the petrolatum base smooths and moisturizes, and for a few hours the under-eye area looks less swollen.

The problems with this practice are also straightforward. The skin around the eyes is even thinner and more delicate than perianal skin, which makes it especially vulnerable to the thinning effects of hydrocortisone if the product contains a steroid. Repeated use can actually make under-eye skin more translucent and fragile over time, worsening the very problem you are trying to fix. Products formulated for the rectal area may also contain fragrances, preservatives, or anesthetics that can irritate the eyes or cause contact dermatitis on facial skin. The short version: it may work as an emergency cosmetic trick once in a while, but it is a poor long-term skincare strategy and can backfire with regular use.

Other off-label uses occasionally surface online, including applying hemorrhoid cream to minor skin irritations, chafing, or insect bites. The protectant and anesthetic components can indeed soothe these problems, but you are generally better served by products specifically designed for those uses, which omit the vasoconstrictor and steroid components you do not need on healthy skin.

Cream, Ointment, Suppository, or Wipe

Walk down the hemorrhoid aisle and you will see the same brand names in several different formats. The choice between cream, ointment, suppository, and medicated wipe is not just about personal preference; each delivers ingredients somewhat differently.

Creams are water-based emulsions that absorb relatively quickly and feel lighter on the skin. They are a good match for external hemorrhoids and perianal itching. Ointments are oil-based, greasier, and form a longer-lasting barrier. They are better at protecting raw tissue and tend to be preferred for situations where moisture is the enemy, like after a bowel movement. Suppositories are designed to deliver active ingredients inside the anal canal, where internal hemorrhoids sit. If your symptoms are mainly internal bleeding or pressure sensation, a suppository can get medication to the tissue that a finger-applied cream cannot easily reach. Medicated wipes and pads, often soaked in witch hazel or a mild anesthetic, are convenience products for on-the-go symptom management and gentle cleaning.

One format is not categorically better than another. The choice depends on where your symptoms are concentrated (internal versus external), which active ingredients you need, and what fits practically into your routine. Many people dealing with a bad flare-up use more than one format: a suppository for internal symptoms, an ointment for external protection, and medicated wipes for cleaning after bowel movements. There is nothing wrong with combining formats as long as you are not doubling up on the same active ingredient beyond its recommended dose.