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Preparation H Maximum Strength

Generic name: glycerin, petrolatum, phenylephrine, and pramoxine topical

Brand names: Preparation H Maximum Strength, Preparation H Multi-Symptom

Used for hemorrhoids itching
Last updated November 3, 2026 0 views
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What is Preparation H Maximum Strength?

Preparation H Maximum Strength is a combination medicine that helps relieve pain, soreness, burning, itching, and swelling caused by hemorrhoids.

Preparation H Maximum Strength may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I use Preparation H Maximum Strength?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Do not take by mouth. This medicine is for use only on the skin around your rectum. Rinse with water if this medicine gets in your eyes or mouth.

You may use this medicine up to 4 times daily, especially after a bowel movement.

Apply the medicine to the skin around the outside of your rectum only. Do not get this medicine inside your rectum.

Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.

Call your doctor if your symptoms do not improve after 7 days, or if they get worse.

Store at room temperature away from moisture and heat.

This section was rewritten for readability and reviewed for meaning.

Warnings

Ask a doctor or pharmacist before using this medicine if you are using a medication to treat asthma, COPD, or depression.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

Tell your doctor if you have ever had:

  • heart disease;
  • high blood pressure;
  • enlarged prostate or urination problems;
  • diabetes; or
  • a thyroid disorder.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

Do not give this medicine to a child younger than 12 years old without medical advice.

This section was rewritten for readability and reviewed for meaning.

Side Effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

This medicine may cause serious side effects. Stop using this medicine and call your doctor right away if you have:

  • severe irritation inside or around your rectum;
  • rectal pain, redness, swelling; or
  • any new or worsening hemorrhoid symptoms.

Less serious side effects are more likely, and you may have none at all.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Since Preparation H Maximum Strength is used as needed, you may not have a regular dosing schedule. If you miss a dose and it's almost time for your next dose, just skip the missed dose. Do not use more than 4 times per day.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

An overdose of this medicine is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Preparation H Maximum Strength?

Ask a doctor or pharmacist before using Preparation H Maximum Strength with any other medications, especially:

  • an antidepressant;
  • a bronchodilator medicine for asthma or COPD; or
  • ergot medicine--dihydroergotamine, ergotamine, ergonovine, methylergonovine.

This list is not complete. Other drugs may affect Preparation H Maximum Strength, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.