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HandClens 2 in 1 Side Effects

Generic name: benzalkonium chloride topical

Note: This document contains side effect information about benzalkonium chloride topical. Some of the dosage forms listed on this page may not apply to the brand name HandClens 2 in 1.

Applies to benzalkonium chloride topical: external liquid, external solution

Medically reviewed by Last updated on Aug 16, 2020.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs or symptoms of infection.
  • Swelling.
  • Redness.
  • Very bad skin irritation.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at

More about HandClens 2 in 1 (benzalkonium chloride topical)

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.