Ciclopiroxolamine: salt form ciclopirox as antifungal
Ciclopiroxolamine is the joined-up form of the salt of ciclopirox with ethanolamine (olamine). Identical in content to the spelling ciclopirox olamine; in pharmaceutical practice and on packaging the joined-up form is often preferred. It is a topical broad-spectrum antifungal of the hydroxypyridinone class.
Ciclopiroxolamine is available in many galenic forms: creams, solutions, gels, shampoos, vaginal creams and tablets, and as a nail lacquer. This variety allows targeted therapy of various superficial fungal infections.
Mechanism of action
Ciclopirox binds trivalent metal ions such as iron and aluminium in the fungal cell, disrupting central enzymatic processes:
- Inhibition of the mitochondrial respiratory chain
- Reduction of energy supply in the fungal cell
- Impairment of cell membrane function
- Inhibition of fungal cell synthesis and reduction of membrane performance
Unlike imidazoles and triazoles, which specifically block 14-alpha demethylase, ciclopirox acts at several sites simultaneously. This multi-target action explains the low resistance rate. The spectrum covers dermatophytes (Trichophyton, Microsporum, Epidermophyton), yeasts (Candida), moulds and some gram-positive and gram-negative bacteria. Additionally, ciclopirox has anti-inflammatory effects via 5-lipoxygenase and cyclooxygenase inhibition, which is clinically advantageous in seborrhoeic dermatitis and inflammatory fungal disease.
Indications
- Tinea pedis (athlete's foot): common indication, cream or solution
- Tinea corporis and cruris: body and groin fungal infection
- Pityriasis versicolor: superficial yeast infection
- Cutaneous candidiasis: nappy rash, intertriginous candidiasis
- Onychomycosis: nail fungus, used as nail lacquer
- Seborrhoeic dermatitis: shampoo formulation against Malassezia
- Vaginal candidiasis: vaginal cream or tablets
Dosing and administration
Cream or solution 1 %: apply once or twice daily to the affected skin. Treatment duration depends on indication: tinea pedis 2 to 4 weeks, pityriasis versicolor 2 weeks, onychomycosis months.
Shampoo 1.5 %: for seborrhoeic dermatitis two to three times a week, leave on for several minutes, rinse. Duration 4 weeks.
Vaginal cream or tablets: once daily in the evening for 6 days.
Nail lacquer 8 %: apply once a day to the affected nail. Once a week file off residues, use alcoholic wipes, then reapply. Duration 6 to 12 months.
Continue therapy for several days to weeks after symptom improvement to avoid recurrence.
Side effects
Common: local burning, pruritus, redness at the application site.
Uncommon: contact dermatitis, allergic reactions, dryness, eczema.
Rare: systemic allergic reactions.
Notes:
- Initial complaints usually improve over time
- If redness increases or new skin reaction occurs, pause therapy and seek medical advice
- Vaginally a brief mild burning may occur
- For onychomycosis, correct application is important: remove residues before reapplying, otherwise drug and solvent will not reach the nail
Interactions
Due to exclusively topical use with minimal systemic absorption, clinically relevant interactions are scarcely expected.
- Other topical substances: apply with a time interval to avoid dilution effects
- Vaginal cream: can weaken latex condoms and diaphragms
- Cosmetic nail polish: not allowed during antifungal lacquer therapy
Special considerations
Pregnancy: systemic absorption is low, use possible after individual judgement. Avoid large-area application in the first trimester if possible.
Breastfeeding: possible, do not apply to breast directly before feeding.
Children: use established from age 6, individual decision in younger children.
Avoid contact with eyes and mucosa. If accidental contact, rinse with water.
Therapy success: if improvement is insufficient after 4 weeks, reassess. For onychomycosis, fungal diagnostics (swab, fungal culture) before therapy is sensible to confirm diagnosis and consider systemic therapy.
Hygiene: alongside therapy, change socks and shoes, disinfect shoes, wash towels, avoid walking barefoot in damp communal areas.
Related substances
- Ciclopirox, free base with identical action
- Ciclopirox olamine, alternative spelling with hyphen
- Ketoconazole, imidazole in seborrhoeic dermatitis
- Clioquinol, antiseptic with antifungal action
Frequently asked questions
What's the difference between ciclopiroxolamine and ciclopirox olamine?
None in content. The same substance with ethanolamine as salt component. The joined form ciclopiroxolamine is more compact linguistically; the separated form ciclopirox olamine follows international convention. Pharmacologically identical.
How long do I have to use the nail lacquer?
For nail fungus, patience is important. Therapy usually takes 6 to 12 months, often longer, until a healthy nail has fully grown back. Stopping too early risks relapse. In severe cases combination with systemic antifungals is needed.
Does ciclopiroxolamine shampoo help against dandruff?
Yes, especially for seborrhoeic dermatitis and flaking scalp. Ciclopirox acts against Malassezia, a yeast central to this condition. Anti-inflammatory properties additionally reduce itching and redness. Apply two to three times a week for at least 4 weeks.
Safe in pregnancy?
With small-area application the substance is hardly absorbed systemically. Use in pregnancy is considered possible after individual assessment. With large-area use or uncertainty, consult a doctor.
Sources
- BfArM Federal Institute for Drugs and Medical Devices
- EMA European Medicines Agency
- AWMF guidelines onychomycosis and tinea
- Gelbe Liste ciclopirox monograph
Legal notice and disclaimer
The information on this page is provided for general information purposes only and does not constitute medical advice, diagnosis or treatment recommendation. It does not replace the advice of a licensed physician or pharmacist. Medicines should only be used after a doctor's prescription or pharmacy supply. All information is based on summaries of product characteristics and accepted scientific sources at the time of writing; the current SmPC of the manufacturer is always decisive. Sanoliste accepts no liability for completeness, timeliness or accuracy. In a medical emergency, dial the emergency number 112.