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Doctor insights on: Antibiotics For Root Canal Infection

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If there is still infection after the root canal and antibiotics don't treat it, what are symptoms of it, and does that mean the infection has spread?

Infection: Swelling/pain/fever are general signs of infection around the tooth or radiating to a adjacent area. Also a dental radiograph of the area would be very helpful to diagnose. ...Read more

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Dr. Bret Boyle
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Dr. Walter Husar
6 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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Do you really always need antibiotics after root canal treatment? Can you just wait and take it when you see infection started only.

Do you really always need antibiotics after root canal treatment?  Can you just wait and take it when you see infection started only.

Yes: The root canal is used to treat an infected tooth that is full of bacteria. Antibiotics will help eradicate the infection or bacteria. Why wait and see if an infection may arise. Simply take a round of antibiotics to ensure that an infection does not occur or is eradicated. ...Read more

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Dr. Bret Boyle
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Taking Antibiotics (Checklist)

Follow directions on label
Once
Take all doses as directed. Don't stop when you feel better.
Once
Do not take someone else's antibiotic
Once
Throw away any leftover antibiotics when you're done
Once
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Need root canal. How long can it wait? I was given antibiotics for infection. No money- can I wait a month to get the root canal?

As : As you know antibiotics were given to you to control the infection and while taken them your root canal is supposed to be performed. Now if you have or need to wait one month, you will need to take again antibiotics two to three days prior to your procedure. I hope you will be pain free during this waiting period. Now let me inform you that, your infection will not be resolved until the root canal will be finished, and all bacteria coming from that infection will not only remain in that tooth area but will be traveling through your body ( brain, lungs, heart, kidneys etc). Please try to prioritize your budget and have your root canal done asap, and if you want to wait a month for your build up and crown, that will be more reasonable. Good luck! ...Read more

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Treating Clostridium Difficile Infection (Checklist)

Know it's a common complication of taking antibiotics
Once
Minimize use of broad spectrum antibiotics & stay out of hospitals
Once
Use probiotics to outcompete the clostridium difficile bacteria
Once
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Had a root canal on #12 which also has a periodical abscess. I'm on day 2 of antibiotics. The abscess has doubled in size and i feel like I have a sinus infection. Will this go eventually go down?

Had a root canal on #12 which also has a periodical abscess.  I'm on day 2 of antibiotics.  The abscess has doubled in size and i feel like I have a sinus infection.  Will this go eventually go down?

Periodontal Abcess: Call the dds who performed the root canal immediately so that he can examine you. If you also have a periodontal abcess, you may have a combined perio-endo lesion, which can exaggerate the symptoms usually seen with any abcess. The end of the root of tooth #12 is near the sinus above the roots of the teeth, which may make it feel like you have a sinus infection. Continue to take the antibiotics. ...Read more

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Plugged ear after root canal/infection.. Is it normal? Antibiotics were taken

Plugged ear after root canal/infection.. Is it normal? Antibiotics were taken

Plugged ear: It could be normal due to tissue swelling from the procedure for the root canal. Soft tissue swelling may have occurred that blocked the Eustachian tube from draining which would make your ear feel plugged. If it lasts more that a few days or pain develops have it checked out. ...Read more

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Treating a Bladder Infection (Checklist)

Ask your doctor about taking an antibiotic or a urine test
Once
Drink plenty of fluids to help dilute the urine and flush the bladder
Daily
Avoid irritating fluids and food: caffeine, citrus, alcohol, spicy
Daily
Take an over-the-counter analgesic for pain and to soothe bladder
Daily
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I got cavity fillings. Still experiencing pain whenever my tooth got cold, now i got tooth root canal, and infection antibiotics but it still pains?

I got cavity fillings. Still experiencing pain whenever my tooth got cold, now i got tooth root canal, and infection antibiotics but it still pains?

Several issues: First, a tooth sensitive to cold after a new filling is common. It signifies pulpal inflammation, not infection. If the pain continues for more than a few weeks, and/ or lingers after cold stimulation, it may need a root canal. If you had a tooth with an infected pulp, then that tooth would be sensitive to pressure and also need endodontics.Antibiotics do not help a tooth that is cold sensitive. ...Read more

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Dr. John Leander Po
1,121 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


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Dr. Bret Boyle
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