chlorhexidine dihydrochloride at a glance
Medicine class
Biguanide antiseptic and disinfectant
Main role
Helps reduce bacterial contamination of minor cuts, scratches, abrasions, burns, bites and stings
Key precaution
Keep away from the eyes, ears and mucous membranes, and avoid extensive skin areas
What is chlorhexidine dihydrochloride used for?
The selected cream is licensed for topical antiseptic use for:
Minor abrasions, cuts and scratches where bacterial infection is a risk
Minor burns, bites or stings where bacterial infection is a risk
Skin antisepsis in minor surgery
How does chlorhexidine dihydrochloride work?
Chlorhexidine binds to microbial cell surfaces, disrupts their membranes and causes cellular contents to leak. The selected product is most active against susceptible Gram-positive bacteria, with less activity against Gram-negative organisms and limited activity against fungi and some viruses.
How to take chlorhexidine dihydrochloride
For external use only. Wash your hands, clean the affected area with warm water without soap, and apply the cream to clean skin. The wound may be covered with a dressing or left uncovered. Wash your hands afterwards and keep the cream away from the eyes, mouth, ears and other mucous membranes.
Check that the tube seal is intact before first use.
Do not use over extensive areas of skin.
Stop and seek advice if the condition worsens or infection persists.
chlorhexidine dihydrochloride side effects
Common or expected effects
- No effects are established as common; reported frequencies cannot be estimated.
- Reported local effects include redness, itching, irritation, burning, rash, eczema, hives, contact dermatitis or blisters.
Get urgent medical advice
- Severe allergic reaction, including wheezing, breathing difficulty, facial swelling, widespread hives, dizziness, collapse or shock
- Corneal injury and potentially lasting visual impairment after accidental eye exposure
chlorhexidine dihydrochloride in pregnancy
The selected product information does not restrict use during pregnancy. Chlorhexidine products are generally considered acceptable, although safety information is limited. Ask a doctor, midwife or pharmacist if uncertain about the product or affected skin area.
chlorhexidine dihydrochloride while breastfeeding
Chlorhexidine skin treatments are generally compatible with breastfeeding. Prevent the baby from touching treated skin, wash your hands before handling the baby, and completely wash cream from the breast or nipple before feeding.
chlorhexidine dihydrochloride interactions
Systemic interactions are not expected with topical chlorhexidine, but local incompatibilities matter.
Soaps and other anionic compounds
They can inactivate chlorhexidine, so clean the area without soap before applying the cream.
Other topical antiseptics
Concurrent application may interfere with antiseptic activity and should be avoided unless directed by a clinician.
Common questions about chlorhexidine dihydrochloride
Answers are fully visible for fast scanning and source review.
Can it be used on cuts and grazes?
The selected cream is licensed for minor cuts, scratches and abrasions where bacterial infection is a risk. Deep, serious or worsening wounds need clinical assessment.
Can it be used on a burn?
It is licensed for minor burns where bacterial infection is a risk. Significant, deep or extensive burns should not be self-treated with this cream.
Can it go under a dressing?
Yes. The treated wound may be covered with a dressing or left uncovered.
Should I clean the skin first?
Yes. Clean it with warm water and avoid soap, which can reduce chlorhexidine activity.
Sources
These sources were used to prepare and review this medicine page.
Prepared and reviewed by the iatroX editorial team.