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A 48-year-old member asked:

how many glasses of water should we drink per day?

2 doctor answers3 doctors weighed in
Dr. Michael Rothman
Internal Medicine 35 years experience
About 1/2 body wt: A good rule of thumb is take - take your body weight (in pounds) and divide by two (in ounces) example - if your weigh 150 pounds then drink 75 ounces of water each day.
Dr. James Ferguson
Pediatrics 46 years experience
No set number: You need to consume enough fluids to support your bodies needs.If you pee every 6-8 hours, you have consumed enough to be hydrated. Since some foods (applesauce, vegetables), contain no less than 60% water so a set number of water glasses/day is somewhat of an artificial if not worthless endeavor.Lots of people push this idea, but it has little value.

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A 38-year-old member asked:

Is mixing hydrogen peroxide and warm water bad for your teeth if you gargle it?

2 doctor answers7 doctors weighed in
Dr. Simon Rosenberg
Dentistry 46 years experience
Probably OK: The diluted hp may bleach the teeth to a small extent and with prolonged usage may cause changes to the mucosa soft tissues, .
A 39-year-old member asked:

What could cause the left side of my jaw to lock up after catching a cold a few days ago?

1 doctor answer5 doctors weighed in
Dr. Thomas Benda, jr
ENT and Head and Neck Surgery 34 years experience
TMJ disorder: A locked jaw is usually due to a temporomandibular joint that is injured or displaced. This could happen when you are ill from clenching too much, or a wide yawn if you already have aproblem with the joint. Go see an ent. If severe a few days of a steroid will help, then you may need an occlusion splint made by a dentist.
A 35-year-old member asked:

Why does medical saline use salt water instead of pure water?

1 doctor answer1 doctor weighed in
Dr. Thomas Riney
Pediatrics 37 years experience
Matches body salt: Similar saline content as your blood.
A 38-year-old female asked:

Im so moody I don't no why my period was short last month like 4 days and it came this month for 7 days i'm so moody what could be wrong?

1 doctor answer3 doctors weighed in
Dr. Andrew Blazar
Obstetrics and Gynecology 62 years experience
Not your periods: Both menses sound normal being moody is likely related to other circumstances (husband, kids, job, money ?).
San Antonio, TX
A 36-year-old male asked:

Is it safe to take 5 metformin pills & 5 onglyza (saxagliptin) pills on 1 day and take a break for 5 days while fasting?

2 doctor answers4 doctors weighed in
Dr. Richard Scofield
Diabetology 33 years experience
Absolutely not!: There is no rationale for taking metformin or Onglyza (saxagliptin) in that fashion and taking such large amounts all at once may lead to toxic side-effects.
Dr. William Harris
Family Medicine 33 years experience
The equivalent 5-day Onglyza treatment would be once-weekly Bydureon injections. You get all of the benefits of a daily pill in a weekly shot. There is no equivalent, weekly (more convenient) dosing form of metformin yet -- we're still stuck with the once-daily metformin so far...
Sep 8, 2013

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Last updated Jan 26, 2020

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