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A 27-year-old member asked:

how often do i need to get my smoke detectors checked for batteries?

2 doctor answers7 doctors weighed in
Dr. Craig Canapari
Pediatrics 20 years experience
6 months: The rule of thumb is to check when the clocks change for daylight savings time.
Dr. Ruchi Mehta
Dr. Ruchi Mehta commented
Pediatrics 16 years experience
Agreed. Change your batteries every 6months.
Nov 8, 2011
Dr. Anatoly Belilovsky
Pediatrics 35 years experience
12 months: Replace with fresh, unused, alkaline batteries yearly. Pushing the button to see if it works - probably once a month.

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Similar questions

A 32-year-old member asked:

Are battery powered blade razors better than sharp ones?

1 doctor answer3 doctors weighed in
Dr. Peter Kurzweil
Internal Medicine 50 years experience
Probably not, but: I use them anyway. It feels like i'm getting a closer shave. Yes, i know that's not a scientific answer, but in general we do or choose things that make us feel better; doctors are not much different when it comes to their own habits and cares.
A 38-year-old member asked:

What are the chemicals that are found in a aa battery that's leaking?

1 doctor answer1 doctor weighed in
Dr. Simon Kimm
Urology 16 years experience
Potassium hydroxide.: Standard aa batteries are alkaline batteries, and can leak a caustic chemical called potassium hydroxide. Rechargable aa batteries (e.g. Nimh) do not contain this chemical, but may vent hydrogen and rupture.
A 43-year-old member asked:

What would happen if I swallowed a aa battery?

1 doctor answer1 doctor weighed in
Dr. David Sherris
Facial Plastic Surgery 33 years experience
Go to hospital: Battery can leak and cause significant internal damage.
A 31-year-old member asked:

I didn't swallow a battery, but what would the doctors do if it happened?

1 doctor answer3 doctors weighed in
Dr. Malaika Witter Hewitt
ENT and Head and Neck Surgery 23 years experience
Depends on location: If the battery reaches the stomach, it will be allowed to pass through the body. If it becomes lodged in the throat or esophagus, it must be retrieved to avoid the caustic erosion and possible perforation of the pharynx(throat) or esophagus. The procedure is performed under general anesthesia.
A 47-year-old member asked:

What should you do if you swallow a button battery?

1 doctor answer4 doctors weighed in
Dr. Neil Giddings
ENT and Head and Neck Surgery 39 years experience
Go to emergency room: Button battery can cause severe problems in the esophagus, including perforation.

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Last updated Oct 3, 2016

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