Disinfectants for clinics: how to choose different products for the reception, consultation rooms, and restrooms
Not all spaces in a polyclinic have the same level of risk. The reception area manages a high flow of people, consultation rooms involve direct contact with the patient, and restrooms concentrate the highest microbiological load.
Using the same disinfectant everywhere simplifies supply, but creates problems:
- insufficiently protected surfaces;
- increased costs due to the unnecessary use of high-level products;
- damage to sensitive equipment;
- risk of non-compliance during inspections.
That is precisely why it is recommended to choose disinfection products based on the area, surface, frequency of use, and type of medical activity. In this article, you will find the steps to make this choice correctly.
Basic principles in choosing disinfectants for a polyclinic
Before choosing disinfectants for a polyclinic, clarify three aspects: the risk level of the area, the type of surface, and the microbiological spectrum required. The frequency and level of disinfection differ depending on the area, after each patient in sampling rooms or procedure rooms, daily in administrative areas, and weekly in low-risk areas.
Correctly apply the sequence: cleaning, then disinfection
Organic matter (blood, secretions, biological fluids) blocks the action of the active substance. If you apply the disinfectant directly to a dirty surface, effectiveness decreases, and the contact time becomes irrelevant.
Follow the two-step procedure:
- Mechanically clean the surface with detergent. Preliminary cleaning of hard-to-reach areas can be done with ultrasound.
- Apply the disinfectant according to the contact time indicated in the technical data sheet.
Products tested according to EN 16615 can demonstrate efficacy even under the soil conditions defined in the test protocol. However, visible contamination or dirt must be removed before disinfection. For surfaces, wiping is the method validated by EN 16615, and spraying or nebulization should only be used in accordance with approved instructions and procedures.
Verify the activity spectrum and EN standards
Do not limit yourself to the mention "bactericidal". Analyze whether the product is tested according to relevant European standards:
- EN 13727 – bactericidal;
- EN 13624 – yeasticidal/fungicidal;
- EN 14476 – virucidal;
- EN 14348 – mycobactericidal;
- EN 17126 – sporicidal.
A product with virucidal activity against enveloped viruses is effective against all enveloped viruses, including influenza viruses and coronaviruses. For certain non-enveloped viruses, such as noroviruses or adenoviruses, you must check if the product has at least "limited spectrum virucidal activity" or "virucidal activity", as stated in the technical data sheet.
Respect the contact time and concentration
If the product indicates 5 minutes for bactericidal action and 15 minutes for sporicidal action, keep the surface moist for the entire duration. If it dries earlier, reapply; effectiveness is directly conditioned by maintaining moisture.
For concentrated products, dilute exactly according to the instructions in the technical data sheet. An underdosed solution reduces efficiency; an overdosed one increases toxicity and can damage surfaces. Mixing different types of disinfectants is prohibited; use each product separately and respect the stability period of the prepared solution.
Choose authorized products
In healthcare facilities, biocidal products must be authorized by the National Commission for Biocidal Products, in accordance with current legislation (Ministry of Health Order no. 1761/2021). Verify the authorization number and keep the documentation on file, including the date of solution preparation, the responsible operator, and the products used, for potential Public Health Directorate (DSP) inspections.
Also discover how disinfectant efficacy is tested and evaluated: explanations based on SR EN 14885!
Disinfectants for the polyclinic reception: high traffic, low–medium risk
The reception area manages frequent interactions: patients, companions, administrative staff. Frequently touched surfaces become the main points of indirect microorganism transfer, and the risk is predominantly respiratory and contact-based (Staphylococcus aureus, respiratory viruses).
Which surfaces to prioritize
- reception desk;
- keyboard, mouse, POS terminal;
- landline phone;
- door knobs and handles;
- waiting room chairs;
- touch screens.
Door handles should be disinfected at least three times a day, furniture and floors daily with detergent and disinfectant, and high-intensity surfaces as often as necessary. Learn more about disinfection in healthcare facilities!
What type of product to choose
Choose a low–intermediate level disinfectant, with at least limited bactericidal and virucidal spectrum. Products based on 70–85% ethyl alcohol offer rapid action (30 seconds–2 minutes): ethanol denatures microbial proteins and dissolves the lipid membrane of capsulated viruses.
For electronics:
- apply the product to a cloth, do not spray directly;
- avoid excess liquid;
- check the equipment manufacturer's recommendations.
For hand hygiene at the entrance, mount dispensers with Klintensiv® Hand Sanitizer Gel, with 85% ethanol. Proper application (3 ml, rubbed for 30 seconds) ensures effective hygienic disinfection according to EN 1500 standards.
Recommended frequency
In most cases:
- disinfect frequently touched surfaces every 2–3 hours in high-traffic units;
- apply additional disinfection after visible contamination;
- perform complete disinfection at the beginning and end of the shift.
Do not use sporicidal products in this area, except in special epidemiological situations. The costs and contact time are not justified for low–medium risk.
Disinfectants for consultation rooms – medium–high risk
The consultation room involves direct contact with the patient and, in some specialties, invasive procedures. The level of disinfection must be adapted to the activity; after each patient for contact surfaces, terminal disinfection at the end of the shift and immediately after any accidental contamination.
Identify frequently touched surfaces
- examination bed;
- instrument table;
- examination lamp;
- medical devices: stethoscope, blood pressure monitor;
- equipment handles and buttons;
- medical desk.
The stethoscope, blood pressure monitor, and any reusable non-critical device should be disinfected after each patient with a low or intermediate level disinfectant (with rapid action). For surfaces involved in aseptic activities, use a disinfectant with a spectrum adequate to the risk and respect the recommended contact time.
What level of product to choose
In addition to surfaces in the consultation room, reusable instruments and medical devices, which follow the Spaulding classification, must also be considered. These are classified according to the type of contact with the patient, and the choice of disinfection method follows this classification:
- Critical instruments (come into contact with sterile tissues or penetrate tissues) — mandatory sterilization;
- Semi-critical instruments (contact with intact mucous membranes) — high-level disinfection, sterilization whenever the material allows;
- Non-critical instruments (contact only with intact skin) — medium or low-level disinfection.
In general medicine or pediatrics offices, use bactericidal, yeasticidal, and complete virucidal products. In minor surgery, gynecology, ENT, or dentistry offices, use disinfectants with an extended spectrum, including mycobactericidal activity; sporicidal activity is used when risk assessment justifies it.
An example is Sterisol® – high-level RTU disinfectant, with bactericidal, fungicidal, mycobactericidal, virucidal, and sporicidal activity. The product also acts effectively in the presence of organic dirt, is non-corrosive, and does not require rinsing on common surfaces. Apply it by spraying or wiping and respect the indicated contact time (between 5 and 60 minutes, depending on the spectrum).
Active substances and characteristics
- Alcohols — rapid action, no sporicidal effect; suitable for small devices and non-critical surfaces.
- Hydrogen peroxide / peracetic acid — broad spectrum, including sporicidal; biodegradable; require longer contact time.
- Sodium hypochlorite — effective, but can corrode metals and bleach textiles.
Do not use aldehydes in poorly ventilated areas. They can irritate the respiratory tract and require additional protective measures.
Application frequency
- after each patient: bed, instrument table, reusable devices;
- at the end of the shift: terminal disinfection of all surfaces;
- immediately after accidental contamination.
All operations are recorded in the cleaning/disinfection register: date, time, responsible person, products used; documentation necessary for potential DSP inspections.
Disinfectants for restrooms – high biological risk
Restrooms concentrate enteric bacteria, fecal-oral transmitted viruses, fungi, and spores.
Frequent risks
- Clostridium difficile (resistant sporulated forms);
- E. coli, Salmonella;
- norovirus, rotavirus;
- Pseudomonas aeruginosa;
- Candida (including C. auris) and Aspergillus.
Spores can survive for months on dry surfaces. Alcohol-based products or quaternary ammonium compounds do not inactivate them.
What concentrations to use
For sodium hypochlorite:
- 0.1% (1000 ppm) – routine disinfection;
- 0.5% (5000 ppm) – visible contamination or suspicion of C. difficile.
For hydrogen peroxide (3–7.5%) or peracetic acid (0.1–0.5%), check the technical data sheet for sporicidal activity according to EN 17126.
Recommended procedure
- Mechanically clean the surface (toilet bowl, sink, faucets, handles).
- Rinse.
- Apply disinfectant to all surfaces.
- Respect the full contact time.
Use a two-bucket system or single-use mops. Do not reintroduce the contaminated mop into the clean solution.
Frequency
- at least twice a day in low-traffic polyclinics;
- 2–3 times a day or more frequently in high-traffic units;
- immediately after any biological incident (vomiting, diarrhea, blood);
- whenever visible contamination is observed.
Guidance table for choosing disinfectants for the polyclinic
| Area | Risk Level | Recommended Product Type | Minimum Required Spectrum | Frequency |
|---|---|---|---|---|
| Reception | Low–medium | 70–85% Alcohol / QAC | Bactericidal + limited virucidal | ≥3×/day or as needed |
| Consultation room | Medium–high | Peroxide / high-level product | Bactericidal + fungicidal + fully virucidal | After each patient |
| Restroom | High | Hypochlorite / peroxide | Bactericidal + levuricidal + virucidal; sporicidal if risk assessment requires it | 1–3×/day |
Common mistakes to avoid when choosing disinfectants for the clinic
- Using the same product in all areas.
- Ignoring contact time.
- Diluting by estimation, without exact measurement.
- Choosing the product based on price alone.
- Not training staff.
A written protocol, displayed in technical areas, reduces these errors and facilitates internal audits.
How to choose the right range for your clinic
Analyze each area, determine the risk level, and select the appropriate products from a professional range. In the Klintensiv professional disinfectants offer, you will find solutions for hands, surfaces, instruments, and high-risk areas, in concentrated or ready-to-use versions.
Evaluate monthly consumption, train your team, and implement a monitoring register. Adjust the protocol if there are epidemiological changes or changes in the type of services offered.
If you want to optimize your clinic's disinfection protocol, analyze the risk areas and select products adapted to each one. Carefully consult the technical data sheets, check the authorizations, and apply the instructions exactly. A differentiated strategy provides you with control, compliance, and operational predictability.
Practical guide to hygiene and disinfection for medical practices offers you even more information on this subject.
