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Benzalkonium Chloride

Molecule Description

Benzalkonium Chloride is primarily useful as an antibacterial agent. It can also...
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    Side effects
    Precautions and Warnings
    Mode of Action

Uses of Benzalkonium Chloride

  • For treating minor skin infections
  • Itching
  • Pain associated with minor trauma
  • Irritation on contact area

Contraindications of Benzalkonium Chloride

When should one not use Benzalkonium Chloride

There are no known contraindications of Benzalkonium Chloride.

Side effects of Benzalkonium Chloride

Common side effects of this drug are:

  • Giant hives
  • Itching
  • Rash
  • Skin redness
  • Skin inflammation because of a topically applied medicine
  • Stinging of skin

Precautions and Warnings of Benzalkonium Chloride



Can I take Benzalkonium Chloride during pregnancy?
It is probably safe to use this medicine during pregnancy.

Breast Feeding

Can I take Benzalkonium Chloride while breastfeeding?
It is unknown whether this medicine passes into breast milk. Better to start this medicine after consulting the doctor.


Can I drive if I have consumed Benzalkonium Chloride?
Benzalkonium Chloride does not have any side effects of blurred vision or dizziness. Therefore, the consumption of this medicine should not affect driving ability. However, consult your doctor before driving.


Can I consume alcohol with Benzalkonium Chloride?
There is no information regarding the interaction of Benzalkonium Chloride with alcohol.

Other General Warnings

Talk to your doctor if
You are allergic to this medicine.

Mode of Action of Benzalkonium Chloride

How Does It Work?

Benzalkonium Chloride acts as an antimicrobial agent. It disrupts the structure of bacteria, preventing bacteria from thriving or multiplying. Soon enough, all the bacteria in the region will be dead,...
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Interactions of Benzalkonium Chloride

Interactions with other medicines

Benzalkonium Chloride does not have any severe interactions with other medicines. The topical form of the medicine, however, does have moderate interactions with the following medications like Sodium ...
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Interactions with food items

No interaction found with food.

Dosage of Benzalkonium Chloride


Do not increase the prescribed dosage. It doesn’t improve disease symptoms. It further enhances the side-effects. In case of an overdose of Benzalkonium Chloride, immediately contact your doctor.

Missed a Dose

Do not take the medicine twice if you missed a dose.

Frequently Asked Questions (FAQs)


Q: Is Benzalkonium Chloride safe for humans?

A: Benzalkonium Chloride has a toxic effect on micro-organisms. However, it does not affect humans in any negative manner. Controlled usage will help in killing bacteria and using it as an effective disinfectant. Using a 0.1% to 0.2% concentration is considered safe and effective by the FDA.

Q: Is Benzalkonium Chloride used in ophthalmic care products?

A: Benzalkonium Chloride is generally useful as a preservative in ophthalmic medications. It is cost-effective and safe for human use, and as a result, it is available in up to 70% of eye drops in the market.

Q: Does Benzalkonium Chloride contain alcohol?

A: Benzalkonium Chloride does not contain any alcohol. The majority of alcohol-free sanitizers use this medicine in their manufacturing.
Last Updated on: 05 Oct 2020 | 10:47 PM (IST)

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