How to Replace a Medicine Cabinet in the Bathroom
A medicine cabinet is a practical and stylish addition to any bathroom. However, over time, your medicine cabinet may become outdated, damaged, or simply no longer meet your needs. Replacing your medicine cabinet can give your bathroom a fresh look and improve its functionality. This guide breaks down the process of replacing a medicine cabinet in your bathroom, highlighting the steps involved and necessary tools.
Step 1: Gather Necessary Tools and Materials
Before starting the project, gather the tools and materials you will need. Having everything ready will make the process smoother and more efficient. Here's a list of essential items:
- New medicine cabinet
- Screwdriver (Phillips head and flathead)
- Level
- Measuring tape
- Pencil
- Stud finder
- Drill with appropriate drill bits
- Safety glasses
- Work gloves
- Caulk gun
- Caulk (matching the cabinet finish)
- Putty knife
- Paintable caulk (optional)
It is crucial to choose a new medicine cabinet that meets your needs and complements your bathroom's design. Consider factors like size, style, features (such as a mirror or internal lighting), and material.
Step 2: Remove the Old Medicine Cabinet
Remove the old medicine cabinet safely and efficiently to avoid damage to the surrounding walls. Follow these steps:
- Turn off the power to the bathroom's light fixture, if the old medicine cabinet has a light integrated.
- Locate and remove any screws or fasteners securing the medicine cabinet to the wall. If the cabinet is mounted on a plate, remove the screws holding the plate.
- Carefully disconnect any wiring for the light, if applicable.
- Once the cabinet is loose, gently pull it away from the wall. Be cautious not to damage the wall or the surrounding trim.
- If the old cabinet was mounted on a plate, remove any adhesive or caulk holding it to the wall.
Examine the mounting surface for any damage or imperfections. Fill in any holes or gaps with spackle or patching compound to create a clean and smooth surface for the new cabinet.
Step 3: Install the New Medicine Cabinet
Installing the new medicine cabinet requires careful measurements and proper alignment:
- Use a stud finder to locate the wall studs behind the new medicine cabinet's intended location. Mark the stud locations with a pencil.
- Hold the new medicine cabinet against the wall, ensuring it is level, and mark the screw holes with a pencil. If the cabinet has a plate, mark the screw holes on the plate.
- Use your drill with an appropriate drill bit to pre-drill pilot holes at the marked locations. Pre-drilling helps prevent splitting the wood when screwing in the cabinet.
- Align the new cabinet with the marks on the wall and secure it in place using the screws provided. If the cabinet has a plate, first mount the plate using the pre-drilled holes.
- If the cabinet is mounted on a plate, apply caulk around the edge of the plate to seal it against the wall and prevent water damage.
- Connect the light wiring, if applicable.
- Turn on the power to the bathroom light fixture and test the light to ensure it is working.
Double-check that the medicine cabinet is securely fastened, level, and in the desired position. If you spot any gaps or unevenness, adjust the cabinet accordingly.
Step 4: Finishing Touches
Once the new medicine cabinet is installed, a few finishing touches can complete the project:
- Clean up any excess caulk with a damp cloth.
- If you used paintable caulk, allow it to dry completely before painting over it with the same color as the surrounding wall.
- If the new medicine cabinet has a mirror, ensure it is properly cleaned to prevent smudges.

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