When hemorrhoids flare up, many people reach for whatever's in the medicine cabinet — and Desitin (a diaper rash cream) often catches their eye. But how does it actually compare to Preparation H, America's most recognized hemorrhoid brand? This guide breaks down the ingredients, effectiveness, and limitations of both — plus what actually works better for long-term relief.

Medically reviewed by the HemRid Medical Team | Last updated: April 2026

Preparation H vs Desitin: Quick Comparison

Feature	Preparation H	Desitin
Designed for	Hemorrhoids	Diaper rash
Key active ingredient	Phenylephrine (shrinks swelling)	Zinc oxide (skin protectant)
Reduces swelling	Yes	No
Pain relief	Yes (pramoxine in some formulas)	No
Itch relief	Yes (hydrocortisone formulas)	Minimal
Skin protection	Yes (petrolatum base)	Yes (zinc oxide barrier)
Forms available	Cream, ointment, suppository, wipes	Cream, paste
Treats root cause	No (symptom relief only)	No
Average price	$8-15	$6-12

Bottom line: Preparation H is the clear winner for hemorrhoids. Desitin is a skin protectant that was never designed for hemorrhoid treatment. However, neither product addresses the root cause of hemorrhoids.

What Is Preparation H?

Preparation H is America's best-known hemorrhoid brand, available in multiple formulations^[1]:

• Preparation H Ointment — Contains phenylephrine HCl (0.25%), which constricts blood vessels to reduce swelling, plus petrolatum, mineral oil, and shark liver oil for skin protection
• Preparation H Rapid Relief Cream — Contains pramoxine HCl (1%) for pain/itch relief plus phenylephrine for swelling
• Preparation H Anti-Itch Cream — Contains hydrocortisone (1%) for inflammation and itch relief
• Preparation H Suppositories — For internal hemorrhoid relief with cocoa butter base
• Preparation H Medicated Wipes — Witch hazel-based for gentle cleansing

Each formula targets specific hemorrhoid symptoms. Learn more in our detailed Preparation H comparison review.

What Is Desitin?

Desitin is a diaper rash cream made by Johnson & Johnson. It comes in two main formulas:

• Desitin Maximum Strength — 40% zinc oxide (thick paste, strongest barrier protection)
• Desitin Daily Defense — 13% zinc oxide (lighter cream, easier to apply)

Zinc oxide works by creating a physical barrier on the skin that repels moisture and reduces friction. It also has mild astringent and antiseptic properties. This is why it works well for diaper rash — it keeps urine and stool moisture away from irritated baby skin.

For hemorrhoids, this barrier effect can provide some comfort by protecting irritated skin. But zinc oxide does nothing to shrink swollen hemorrhoid tissue, relieve pain, or reduce itching.

Why People Use Desitin for Hemorrhoids

Despite not being designed for hemorrhoids, Desitin has gained a following for several reasons:

• Already in the house — Parents with young children often have it on hand
• Thick barrier — The heavy zinc oxide paste does protect raw, irritated skin well
• Perceived safety — "If it's safe enough for babies, it must be gentle"
• Cheaper — Often costs less than dedicated hemorrhoid creams
• Zinc oxide — Some hemorrhoid products do contain zinc oxide, lending credibility

These are valid reasons, but they don't change the fact that Desitin is missing the ingredients that actually treat hemorrhoid symptoms.

Head-to-Head: Effectiveness by Symptom

Symptom	Preparation H	Desitin	Winner
Swelling	✅ Phenylephrine shrinks tissue	❌ No effect	Preparation H
Pain	✅ Pramoxine numbs area	❌ No pain relief	Preparation H
Itching	✅ Hydrocortisone formula	⚠️ Mild relief from barrier	Preparation H
Skin protection	✅ Petrolatum base	✅ Strong zinc oxide barrier	Tie
Moisture barrier	✅ Good	✅ Excellent	Desitin
Bleeding	⚠️ Phenylephrine may help	⚠️ Barrier may protect	Tie
Root cause treatment	❌ No	❌ No	Neither

Preparation H wins 3 out of 7 categories, with Desitin winning only in moisture barrier strength. For overall hemorrhoid relief, Preparation H is significantly more effective.

The Limitation Both Products Share

Here's the thing: neither Preparation H nor Desitin treats the root cause of hemorrhoids. They both only manage surface-level symptoms.

Hemorrhoids are caused by weakened blood vessel walls and increased pressure in the rectal veins^[2]. Topical creams can soothe the symptoms, but they can't strengthen blood vessels or improve venous circulation.

Side Effects and Risks

Preparation H Risks

• Phenylephrine can raise blood pressure in rare cases — not recommended for people with hypertension
• Hydrocortisone should not be used for more than 7 days (can thin skin)
• Pramoxine may cause mild stinging on application
• Not for internal use unless using the suppository formulation

Desitin Risks

• Very thick paste can be difficult to clean from the anal area
• Zinc oxide residue may stain clothing
• Not formulated for rectal use — potential for irritation in sensitive areas
• May trap bacteria against the skin if area isn't cleaned thoroughly first

When Desitin Might Make Sense

There are a few specific situations where Desitin could be useful:

• Raw, weeping skin around external hemorrhoids — the zinc oxide barrier can protect against further moisture damage
• Post-bowel movement protection — applying a thin layer after cleaning can reduce friction throughout the day
• It's all you have — better than nothing if you can't get to a pharmacy
• Combined with Preparation H — some people apply Preparation H first, then a thin layer of Desitin on top as an extra barrier (though this isn't clinically studied)

Our Recommendation

For the best hemorrhoid relief, use a three-pronged approach:

1. Topical symptom relief: Preparation H (or a similar hemorrhoid-specific cream) — not Desitin
2. Root cause treatment: HemRid Max with clinically-tested diosmin and horse chestnut
3. Lifestyle: High fiber, adequate water, sitz baths, and avoid straining

This combination addresses symptoms and root cause — something no single topical cream (Preparation H or Desitin) can do alone. Learn more in our complete hemorrhoid treatment guide.

When to See a Doctor

If neither Preparation H nor other OTC treatments provide relief within 1-2 weeks, or if you experience heavy bleeding, severe pain, or signs of infection, see a doctor. You may need prescription treatment or a minimally invasive procedure.

Frequently Asked Questions

Can you use Desitin for hemorrhoids?

While safe for adult skin, Desitin is a diaper rash cream that lacks hemorrhoid-fighting ingredients. Its zinc oxide barrier may protect irritated skin, but it won't shrink hemorrhoids, relieve pain, or stop itching effectively.

Is Desitin better than Preparation H?

No. Preparation H is specifically formulated for hemorrhoids with ingredients that reduce swelling, relieve pain, and soothe itching. Desitin only provides a protective skin barrier. Preparation H is the better choice for hemorrhoid treatment.

Can adults use Desitin for hemorrhoids?

Desitin is safe for adults, but it's designed for baby diaper rash. Adults will get better results from hemorrhoid-specific products like Preparation H or comprehensive treatments like HemRid Max.

Does zinc oxide help hemorrhoids?

Zinc oxide provides a protective barrier and mild astringent effects, which is why some hemorrhoid products include it. However, zinc oxide alone (as in Desitin) is insufficient for treating hemorrhoid symptoms like swelling and pain.

What is better than both Preparation H and Desitin?

For long-term relief, oral supplements like HemRid Max that contain clinically-tested diosmin and horse chestnut address the root vascular cause of hemorrhoids — something no topical cream can do.

Can I use Desitin and Preparation H together?

While not dangerous, layering two creams may reduce each one's effectiveness. Preparation H already contains petrolatum for skin protection, making additional Desitin unnecessary in most cases.