Hearing Aid Use and Daily Maintenance

Flocolor Hearing Health Series — Article 6 of 7

Hearing Aid Use and Daily Maintenance

From First Fitting to Daily Care: Making Your Hearing Aid Last

Table of Contents

1. First-Time Wear: A Complete Step-by-Step Guide

Congratulations on beginning your hearing aid journey. Your first impression of wearing a hearing aid may not be exactly what you imagined — and that is perfectly normal.

1.1 Know Your Hearing Aid Style

Current mainstream hearing aids fall into three broad wearing categories, each with a slightly different insertion technique:

Behind-the-Ear (BTE)

  • The main housing is worn behind the auricle; sound is conducted via a clear plastic acoustic tube connected to a custom earmold
  • Suitable for mild to profound hearing loss
  • Relatively larger; straightforward to operate; extended battery life

Receiver-in-Canal (RIC)

  • The main housing (containing the microphone and DSP chip) is worn behind the ear; a thin wire carries the miniature receiver directly into the ear canal
  • More discreet; high wearing comfort
  • Suitable for mild to severe hearing loss

In-the-Ear Devices (ITE / ITC / CIC / IIC)

  • All components are housed fully or partially within the ear canal; classified by size as full-shell ITE, half-shell ITC, completely-in-canal CIC, and invisible-in-canal IIC
  • IIC is almost completely invisible from the outside
  • Suitable for mild to moderate-severe hearing loss

1.2 Identifying Left and Right: Red = Right, Blue = Left

Hearing aids are fabricated and programmed specifically for each ear. Red marking = right ear; blue marking = left ear. Always verify the correct side before inserting. Wearing the device on the wrong ear reverses the directional processing and significantly impairs hearing benefit.

[Figure 6-1: Wearing diagrams for BTE, RIC, ITE hearing aids — Upload image in Shopify admin]

1.3 First Insertion: Step-by-Step (BTE and RIC Styles)

  1. Inspect the earmold or dome for cleanliness
    Before insertion, confirm the earmold surface is clean, undamaged, and that the sound outlet is clear.
  2. Locate correct position
    Rest the main housing behind the auricle and ensure the retention hook or housing conforms to the contour of the upper ear.
  3. Insert the earmold or dome
    Gently guide the earmold or dome into the ear canal to a comfortable depth. First-time insertion may require a few attempts; take your time to find the optimal angle.
  4. Secure the tube or wire
    Confirm that the acoustic tubing (BTE) or receiver wire (RIC) is not kinked or twisted, and that it is positioned comfortably.
  5. Open or close the battery compartment
    Most hearing aids power on automatically when the battery compartment is closed after battery insertion. Some models have a dedicated power switch — follow your audiologist's instructions.
  6. Initial experience
    Sit quietly for a few minutes and allow your brain to begin adjusting to the new sound environment. There is no need to rush.

1.4 Normal Sensations During First-Time Wear

The following experiences during initial hearing aid wear are entirely normal and typically resolve during the acclimatization period:

  • Own voice sounds "hollow" or "like speaking inside a barrel" — this is the occlusion effect (discussed in detail in Section 2)
  • Sudden awareness of many previously unnoticed soft sounds — ticking clocks, air conditioning hum, footsteps; this is the auditory system re-learning
  • Mild acoustic feedback (brief whistle) — may be caused by incomplete insertion
  • Slight sensation of a foreign body in the ear — most users fully adapt within 1–2 weeks

Reminder: Do not put undue pressure on yourself during initial wear. Small daily improvements are the goal. If you experience any significant pain or persistent discomfort, contact your audiologist immediately.

2. Acclimatization Training Plan: A Phased 2–4 Week Program

After fitting, the brain requires time to relearn and adapt to the new acoustic input provided by the hearing aid. This process typically takes 2–4 weeks, though some individuals may require 1–2 months. Following a structured, phased acclimatization program facilitates faster and more comfortable adaptation.

2.1 Three-Phase Acclimatization Program

Phase 1 (Week 1): Becoming Familiar with Your Own Voice

Goal: Wear the hearing aid for 1–2 hours per day in the quietest possible environment.

Recommended activities:

  • Wear at home alone; read aloud from a newspaper or book and listen to your own voice
  • Practice one-on-one conversation with a family member; attend to the speaker's face and lips
  • Watch television without subtitles (even if comprehension is incomplete; the goal is acoustic exposure, not perfect understanding)
  • Notice your speaking volume — many new hearing aid wearers spontaneously reduce their vocal effort

What to keep in mind:

  • This phase is about experiencing sounds, not about perfectly understanding everything
  • Remove the device and rest whenever fatigue sets in; do not force prolonged wearing
  • Keep a daily listening diary; share your notes with your audiologist at the follow-up appointment

Phase 2 (Week 2): Expanding to Mildly Noisy Environments

Goal: Wear for 3–4 hours per day; begin introducing mild background noise.

Recommended activities:

  • Walk in a neighbourhood park or garden; experience birds, wind, and natural environmental sounds
  • Watch television with family in the living room
  • Have brief simple exchanges in mildly noisy settings such as a café or small shop
  • Try having a conversation in a setting with low-level background music

What to keep in mind:

  • Some difficulty in noise is normal; do not rush the process
  • If a particular environment is especially challenging, practice in that environment more frequently
  • Begin attempting short telephone calls with familiar callers during this phase

Phase 3 (Weeks 3–4): Full-Day Wear in Complex Environments

Goal: Wear for 6–8 hours per day; ultimately achieving full waking-hour wearing.

Recommended activities:

  • Attend family gatherings; practice listening in multi-talker settings
  • In noisy restaurants, proactively request a seat against a wall (facing away from the noise source improves sound localization)
  • Watch captioned television programs, then progressively attempt viewing without captions
  • Adapt to everyday environments: public transport, video calls, group meetings

What to keep in mind:

  • Continuous all-day wearing allows the brain to receive sustained auditory stimulation, which is critical for auditory rehabilitation
  • Even on a fatiguing day, aim to wear the device for at least a few hours; consistent wearing accelerates acclimatization

2.2 The Occlusion Effect: Causes and Relief Strategies

The occlusion effect is one of the most frequently reported uncomfortable sensations during the acclimatization period.

Mechanism: When the ear canal is sealed by a hearing aid shell, earmold, or dome, low-frequency bone-conducted sound energy generated by the wearer's own voice and chewing cannot escape normally through the open ear canal. This energy resonates and is amplified within the enclosed canal volume, causing the wearer's own voice to sound reverberant, "hollow," or "boomy."

Most susceptible populations: Individuals with mild to moderate hearing loss; those with relatively intact low-frequency hearing; first-time wearers of custom or tightly-sealing in-ear devices.

Relief strategies

Strategy Description Best Suited For
Open dome (open-fit) The dome has open vents allowing low-frequency sound to escape naturally Patients with good low-frequency hearing; first choice
Increase vent diameter Widen the vent in a custom earmold Audiologist adjustment
Reduce low-frequency gain Decrease gain in the frequency range below approximately 500 Hz Audiologist programming adjustment
Jaw movement desensitization Practice deliberate opening and closing of the mouth for 5–10 minutes daily Early acclimatization phase
RIC with open dome Receiver in canal + open dome; main body behind the ear; ear canal is minimally occluded Device selection consideration

Note: The occlusion effect typically diminishes substantially within the 2–4 week acclimatization period. If significant discomfort persists after several weeks, consult your audiologist for earmold or programming adjustments.

Reference: UCSF EARS Program — Adjusting to Hearing Aids, 2026; relevant hearing health consumer resources, 2024–2025.

3. Daily, Weekly, and Monthly Cleaning and Maintenance

A hearing aid is a precision electronic medical device. Consistent, proper maintenance directly extends device longevity and maintains stable sound quality.

3.1 Daily Maintenance

  • Wipe the housing: Each evening after removing the hearing aid, gently wipe the surface of the device with a dry, soft cloth (such as a lens cloth) to remove perspiration and oil.
  • Clean the sound outlet and microphone ports: Use the dedicated hearing aid cleaning brush (or a soft-bristled toothbrush) to gently remove cerumen accumulation from the sound outlet and microphone inlet. Important: when brushing, orient the sound outlet downward to prevent cerumen from being pushed deeper into the device.
  • Open the battery compartment: After removal, leave the battery compartment door open overnight. This allows internal moisture to escape and extends both battery life and the life of the electronic components.
  • Store in a drying container: Place the hearing aid in a sealed drying container containing color-indicating silica gel desiccant. Replace the silica gel when it changes color (typically from orange/blue to transparent or grey).

3.2 Weekly Maintenance

  • Deep-clean the sound outlet: Use the cleaning tool provided with your hearing aid (a fine pick or small brush) to carefully clear residual cerumen from deeper in the sound outlet that the daily brush may not reach.
  • Replace the wax guard (cerustop / wax filter): The wax guard is a small white or yellow disc located at the tip of the sound outlet; it prevents cerumen from entering the hearing aid receiver. Most users require replacement every 1–3 months, depending on the rate of cerumen production.
    How to judge replacement: If the hearing aid sounds noticeably quieter, or sound quality is distorted despite cleaning the external sound outlet, the wax guard is likely blocked.
  • Electronic drying (optional; 1–2 times per week): In humid climates or during seasons when perspiration is heavy, use an electronic hearing aid dryer for deep desiccation, typically 4–6 hours per cycle.
    Never use a microwave oven, conventional oven, or hair dryer to dry a hearing aid — heat will permanently damage the electronic components and seals.

3.3 Monthly Maintenance

  • Inspect battery compartment contacts: Gently clean the metal contacts inside the battery compartment with a dry cotton swab to remove any corrosion products (white or greenish powder). If significant corrosion is observed, contact your audiologist.
  • Inspect the earmold and acoustic tubing (BTE users): Check for signs of hardening, discoloration, or cracking in the acoustic tubing. Replace as needed — typically every 6–12 months.
  • Professional service at the fitting center: Consider scheduling a monthly visit to your audiologist or hearing center for professional cleaning services, including ultrasonic earmold cleaning and a comprehensive device performance check.

[Figure 6-2: Hearing aid maintenance toolkit — cleaning brush, wax guard replacement tool, drying container]

References: Consumer hearing health resources on daily use and maintenance, 2024–2026.

4. Troubleshooting Common Problems

Many common hearing aid problems can be diagnosed and resolved without a clinic visit. Work through the following guides before contacting your audiologist.

4.1 No Sound or Sudden Reduction in Volume

Systematic troubleshooting sequence (follow in order):

Step Check Item Action
1 Battery charge level Replace with a fresh battery (even if the current battery was recently installed)
2 Battery installation Confirm correct polarity; ensure good contact with the terminals
3 Wax guard blockage Clean the sound outlet or replace the wax guard
4 Sound outlet blockage Gently clear the sound outlet with the cleaning tool
5 Microphone port blockage Brush gently across the microphone inlet port (typically located on the top or rear of the housing)
6 Soft reset Open the battery compartment for 30 seconds to 1 minute, then close it to restart the device

If none of the above steps restore function, the problem is likely an internal electronic fault. Contact your audiologist or the manufacturer's service center.

4.2 Acoustic Feedback (Squealing / Whistling)

Persistent feedback (acoustic feedback oscillation) is one of the most disruptive problems in hearing aid use. Common causes include:

Cause 1: Incomplete insertion / poor seal

The dome or earmold is not fully seated, leaving a gap through which amplified sound leaks
Solution: Reinsert and confirm a complete seal

Cause 2: Cerumen blocking the sound outlet

Earwax obstructs sound delivery; reflected sound is recaptured by the microphone
Solution: Clean the sound outlet; replace the wax guard

Cause 3: Programmed gain too high

Amplified sound exceeds the threshold for feedback at the current ear canal seal level
Solution: Reduce volume; if persistent, consult your audiologist for reprogramming

Cause 4: Physical fit mismatch between the hearing aid and the ear canal

Anatomical or physical fit issues allow sound to bypass the seal
Solution: Replace the dome or consult your audiologist for a new earmold impression

Note: If feedback was not present when the hearing aid was newly fitted but appears after a period of use, the most likely causes are cerumen accumulation or a change in the physical fit. These are straightforward to resolve with a clinic visit.

4.3 Distorted Sound or Poor Audio Quality

  • Check battery level: insufficient charge commonly produces weak, distorted sound
  • Clean the sound outlet and microphone inlet
  • Inspect the dome or earmold for deformation or damage
  • If the problem persists, aging or internal damage to the receiver may be the cause; have the device assessed professionally

4.4 Intermittent Sound or Cutting In and Out

  • Most commonly caused by poor battery contact: remove the battery, clean both battery terminals and compartment contacts with a dry cloth, and reinstall
  • Check the battery compartment spring for deformation
  • If replacing the battery and ruling out cerumen blockage does not resolve the problem, the device requires a service center assessment

[Figure 6-3: Hearing aid troubleshooting flowchart — three pathways for "no sound / weak sound / feedback"]

References: Consumer hearing health resources on common hearing aid problems and maintenance, 2023–2025.

5. Battery Guide: Sizes, Storage, and Replacement

5.1 Hearing Aid Battery Sizes and Runtime Reference

Hearing aids use dedicated zinc-air batteries in four standard sizes:

Size Dimensions Color Code Average Runtime Compatible Devices
675 Largest Blue ~200 hours High-power BTE / cochlear implant sound processors
13 Medium Orange ~180 hours Standard BTE / large ITE
312 Small Brown ~80 hours CIC / ITC / standard RIC
10A Smallest Yellow ~40 hours Deep-canal CIC / IIC

Note: The runtimes above are theoretical reference values. Actual battery life depends on daily wearing duration, hearing aid gain settings, and frequency of wireless features (e.g., Bluetooth streaming) use.

5.2 Battery Use Guidelines

  • Activating a new battery: After peeling the adhesive tab from a zinc-air battery, wait 1–2 minutes before inserting it into the battery compartment. This allows atmospheric oxygen to fully diffuse into the battery and activate the electrochemical reaction. Installing the battery immediately after tab removal may result in insufficient power delivery.
  • Correct installation: Confirm the polarity (flat side / positive terminal, marked with "+") is oriented correctly; place gently into the compartment and ensure the spring applies firm contact.
  • Preventing battery leakage: If the hearing aid will not be used for more than 2 weeks, remove the batteries. Battery leakage from stored batteries can corrode the metal contacts inside the battery compartment; this type of damage is typically not covered under warranty.
  • Storage conditions: Store batteries in a cool, dry location away from direct sunlight; avoid heat exposure (e.g., a vehicle dashboard) and humidity (e.g., a bathroom cabinet). Do not refrigerate batteries.

5.3 Rechargeable Hearing Aids

An increasing number of new hearing aid models feature built-in rechargeable lithium-ion batteries:

  • Full charge typically requires 3–4 hours and provides a full day of use on a single charge
  • Charging cases often incorporate a built-in drying function, combining charging and desiccation in one step
  • Eliminates the need for frequent battery replacement; significantly easier for users with limited manual dexterity
  • Low-battery indicator tones or lights are typically included to prompt timely recharging

6. Safe Use and Important Precautions

6.1 Water Resistance: Understanding IP67 and IP68 Ratings

Current mainstream hearing aids are commonly rated at IP67 or IP68:

Rating Dust Protection Water Resistance Practical Meaning
IP67 Fully dustproof Submersion to 1 meter depth for up to 30 minutes Protection against perspiration, incidental splashing, and wearing in rain
IP68 Fully dustproof Submersion to greater depth (specifications vary by manufacturer) Higher protection level; always refer to the specific manufacturer's specifications

Important: The water resistance ratings described above refer to daily-life splash protection (perspiration, rain, accidental water exposure). They do not mean the hearing aid is designed to be worn while swimming, bathing, or using a sauna or hot tub.

Safety recommendations:

  • Remove hearing aids before swimming, bathing, using a sauna or hot spring
  • After vigorous exercise involving heavy perspiration (e.g., running, gym workout), wipe the housing with a dry cloth
  • If a hearing aid is accidentally submerged: retrieve it immediately, remove the battery, wipe the exterior with a dry cloth, place the device in a drying container, and contact your audiologist as soon as possible for a professional assessment

6.2 Protection from Heat

  • Never leave hearing aids in direct sunlight (e.g., on a vehicle dashboard, windowsill, or near a barbecue)
  • Interior vehicle temperatures on a summer day can reach 70–80°C (158–176°F), sufficient to permanently damage electronic components and plastic housings
  • When sleeping, store hearing aids in the drying container away from radiators, electric blankets, and heating vents

6.3 Protection from Static Electricity

In dry conditions (especially during winter months), static electricity discharge can damage the hearing aid's microchip:

  • Before handling the hearing aid, discharge static by briefly touching a grounded metal object (e.g., a water tap or door handle)
  • Remove hearing aids before pulling on or removing wool sweaters or synthetic garments
  • If an electrostatic discharge event causes abnormal device behavior, contact your audiologist immediately

6.4 Air Travel

  • Hearing aids may be worn normally during air travel and are not affected by security screening procedures
  • You may inform the security officer if preferred; however, hearing aids do not need to be removed from the ear for metal detector or body scanner screening
  • Cabin pressure changes during take-off and landing do not affect hearing aid function

6.5 Device Lifespan and Indicators for Replacement

The average design service life of a hearing aid is 5–7 years; with proper care, some devices may function well beyond this. Consider replacement when:

  • The device requires frequent repairs (more than twice per year)
  • Hearing loss has progressed significantly and the current device no longer provides sufficient output power
  • The device technology is substantially outdated, precluding connectivity with new accessories or smartphone applications
  • The device no longer meets changed lifestyle needs (e.g., Bluetooth audio streaming is now desired but not supported by the current model)

Note: Device replacement need not wait until the hearing aid has completely failed. Planning a transition to a new device while the current one is still functioning allows an overlap period for comfortable acclimatization to the new device.

7. Key Takeaways

  1. First-time wear: Red = right ear; blue = left ear. Begin in a quiet environment and allow yourself to adjust to new sounds at your own pace.
  2. Acclimatization: Follow a structured 2–4 week progression from quiet → mildly noisy → full daily environments; consistent daily wearing is essential.
  3. Occlusion effect: Use an open dome, reduce low-frequency gain, or practice deliberate jaw movements; for most users the effect resolves naturally during acclimatization.
  4. Daily maintenance: Wipe housing after each use + store in a drying container; weekly: deep-clean sound outlet + replace wax guard; monthly: inspect battery contacts and acoustic tubing.
  5. Troubleshooting: First check the battery → clean the sound outlet → perform a soft reset; for feedback, first check insertion and seal.
  6. Batteries: Four standard sizes (675/13/312/10A); after peeling the tab, wait 1–2 minutes before installing.
  7. Water resistance: IP67/IP68 protects against daily splashes; do not wear while swimming or bathing. Summer vehicle heat is a hidden hazard for device damage.

Wearing a hearing aid is a marathon, not a sprint. Give your brain the time it needs to adapt, maintain patience, and you will rediscover the sounds of everyday life that you thought were gone.

Next Article in This Series

The next and final article in this series is Article 7: Common Misconceptions and the Science Behind Them — addressing and correcting the most persistent myths about hearing loss and hearing aids with evidence-based facts.

Read Article 7

References

  1. UCSF EARS Program. "Adjusting to Hearing Aids." 2026. https://ears.ucsf.edu
  2. American Academy of Audiology (AAA). Clinical Practice Guidelines: Hearing Instrument Selection and Fitting in Adults. 2018.
  3. Hearing Industries Association (HIA). Consumer Guide to Hearing Aids. 2025.
  4. Phonak. Hearing Aid Maintenance Guide. 2024.
  5. Oticon. Daily Care and Cleaning for Your Hearing Aids. 2024.

© Flocolor | Committed to Hearing Health

This article was produced by the Flocolor AI editorial team and is intended for informational purposes only. For any hearing concerns, please consult a qualified otolaryngologist or licensed hearing instrument specialist.

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