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Doctor insights on: Amoxicillin Dosage For Strep Throat

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What is the proper dosage of 250mg/5ml amoxicillin for a 50lb child for strep throat?

What is the proper dosage of 250mg/5ml amoxicillin for a 50lb child for strep throat?

Dosing: Why are you asking? If there are concerns speak with the pharmacist or the prescribing doctor ...Read more

Amoxicillin (Definition)

Amoxicillin is in the penicillin class of antibiotics. All penicillins are distinguished by the presence of a beta-lactam ring, and are known to kill bacteria by inhibiting synthesis (production) ...Read more


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What is the proper dosage of Amoxicillin for an adult with Strep throat? I'm on 500mg 2x/day is this enough?

What is the proper dosage of Amoxicillin for an adult with Strep throat? I'm on 500mg 2x/day is this enough?

Yes: That is enough to do the job if you take it for 10 days. It's not just the dose. If you stop too soon you take a chance you won't eradicate it completely. ...Read more

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What would be the dosage of amoxicillin for a five month old who weighs 14 pounds and has strep throat?

What would be the dosage of amoxicillin for a five month old who weighs 14 pounds and has strep throat?

Antibiotic dose: Your pediatrician will figure that out for you based on how infected they feel your child is the current recommendation is between 40 -80 mg/kg/day. That would be 250-480 mg per day divided into 2 or 3 doses. The infection should be documented with a culture not just a throat swab good luck! If you have questions, see a peds ENT person or an ENT that sees kids. ...Read more

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My 78 lb daughter was prescribed 5ml of amoxicillin (400mg/5ml) for Strep Throat. Is this the correct dosage?

My 78 lb daughter was prescribed 5ml of amoxicillin (400mg/5ml) for Strep Throat. Is this the correct dosage?

? low dose if once: A day, if twice a day that should be fine, depends on whether it is an immediate vs the extended release form, you want to talk to your doctor / pharmacist for confirmation, best wishes ...Read more

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My 36lb. 3 1/2 year old son was prescribed amoxicillin 400mg/5ml at a dosage of 8 mls. Twice a day for strep throat. I am concerned that the dosage is?

My 36lb. 3 1/2 year old son was prescribed amoxicillin 400mg/5ml at a dosage of 8 mls. Twice a day for strep throat. I am concerned that the dosage is?

Dosage is fine: More than that can be given in other acute infections, although for a strep throat 5-6 ml /dose would suffice given your son's weight, but the extra 2-3 ml wouldn't be harmful, probably your son's doctor suspected an upper respiratory infection as well such as acute sinusitis. You may want to verify it with your doctor if you're concerned, otherwise continue till the follow up visit, good luck ...Read more

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Can amoxicillin treat strep throat in an infant? What would be the dosage for a five month old?

Can amoxicillin treat strep throat in an infant? What would be the dosage for a five month old?

Not common: Under a year of age, but can happen. Should have a strep test to confirm. The doctor will calculate the dose based on weight (@ 40mg/kg. ...Read more

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Just diagnosed with strep throat, would like to take ampicillin in lieu of amoxicillin because I already have it. What is proper dosage each day?

Just diagnosed with strep throat, would like to take ampicillin in lieu of amoxicillin because I already have it. What is proper dosage each day?

250mg 4xday x10 days: Normal dose would be 250mg, 4 times a day, for 10 days. Be sure medication you have is not expired. Hope this helps. Best of luck. Dr R ...Read more

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Had strep throat a month ago took amoxicillin, went back to doc after dosage, still had it. Got z-pac. Finished that week ago lymphnodes swollen normal?

Had strep throat a month ago took amoxicillin, went back to doc after dosage, still had it. Got z-pac. Finished that week ago lymphnodes swollen normal?

Mononucleosis?: Have you been tested for infectious mononucleosis (mono)? Strep throat is often present at the same time. Amoxicillin always is effective aginst strep, and even without treatment, strep would clear sooner -- but mono can last a few weeks, with sore throat and lymph node inflammation. And mononucleosis is common at your age (19). Discuss it with your doctor. ...Read more

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How many mg of amoxicillin per dose for a 4 year old for strep throat?

Depends: The doseis generally dependent on weight at this age but typically it would be between 125-250 mg three or four times daily. ...Read more

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My 30 lb daughter was given amoxicillin suspension 400mg/5ml for strep throat. Directions on bottle read 7.5ml twice daily. Does this dose seem high?

My 30 lb daughter was given amoxicillin suspension 400mg/5ml for strep throat. Directions on bottle read 7.5ml twice daily. Does this dose seem high?

Depends: I would usually only use 5 ml twice a day unless I was worried that the sinuses or ears were in the process of becoming infected. ...Read more

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How do I know that amoxicillin worked to cure my strep throat?

How do I know that amoxicillin worked to cure my strep throat?

Strep throat: Resolution of strep throat usually comes with resolution of symptoms. So the fever (if present) goes away, the pain also goes away. If either are persistent, see your healthcare provider. ...Read more

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My girlfriend has strep throat. Will amoxicillin fight off the strep throat?

Yes: Amoxicillin is a penicillin-type of medication, and works very well against strep throat infections. The doctor can calculate the correct dose and the proper amount of time to use the amoxicillin. Strep throat is contagious and quite common in the community, meaning we primary care doctors see such infections every week. ...Read more

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Is 500mg Amoxicillin 2x/day for 10 days enough to treat Strep throat in an adult?

Is 500mg Amoxicillin 2x/day for 10 days enough to treat Strep throat in an adult?

Pretty standard rx: Strep is well known to be susceptible to the penicillin family of drugs. This is a common and effective adult dosing. ...Read more

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How long after being on amoxicillin for strep throat should someone start feeling better?

How long after being on amoxicillin for strep throat should someone start feeling better?

Better: As long as there are no complications, such as an abscess, within 24-48 hours. If you are not responding to treatment follow up with your doctor. I hope you feel better soon. ...Read more

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Hi, the past three years I have had strep throat 5 times. I get prescribed Amoxicillin but am wondering if it has ever really went away?

Hi, the past three years I have had strep throat 5 times. I get prescribed Amoxicillin but am wondering if it has ever really went away?

Unlikely: The penicillin drugs are quite effective in killing strep. Five strep infections (if you actually had it confirmed) over 3 years is inconvenient but does not set you apart as special. There are about 5% or more of the population that carries strep year round without ever getting sick. You may have one in your social circle. They can pass it is easily as a sick one. ...Read more

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How long does it take Amoxicillin to leave your system/ how long does it keep working if I took 500mg 2x/day for 10 days for Strep throat?

How long does it take Amoxicillin to leave your system/ how long does it keep working if I took 500mg 2x/day for 10 days for Strep throat?

Day or so: I believe the half life of amoxicillin is around 8 hours. That means 8 hrs after the last dose, only 1/2 is left, after another 8 hrs, half of the remaining and so on. It leaves through your kidneys. ...Read more

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I had strep throat a week ago and I've been on amoxicillin ever since. I just recently started getting a weird taste/dry feeing throat. What could it be?

Debris: I would not be surprised if you were able to detect/taste some of the debris that sheds from the surfaces infected by the strep. Many do not but if you are sensitive enough that is possible. I would expect things to clear up gradually over the next week or two or have your doc re-evaluate you. ...Read more

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I weigh 150lbs......Is 1500 mg of amoxicillin ok to take for strep throat for 10 days?

Yes: A daily total dosage of 1500mg of Amoxicillin for 10 days is appropriate for strep pharyngitis in a 43 year old female. ...Read more

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Is it normal to bleed from the throat if you have strep throat? I started taking Amoxicillin since yesterday.

Is it normal to bleed from the throat if you have strep throat? I started taking Amoxicillin since yesterday.

Yes: These questions are difficult to answer because the answer depends on amount of blood, your severity of pain and response of symptoms to the Amoxil (amoxicillin) whether to investigate and how urgently to investigate further. ...Read more

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Son was diagnosed with strep throat. Hive amoxicillin. He weighs 25lbs. And I have to give him 500mg twice a day. Too much?

Yes, it is: It is not prudent to treat your own son unless you are a physician. If you have the results that are positive for strep, at least call or visit your pediatrician.
Good luck. ...Read more

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Is it possible for me to transmit strep throat to my boyfriend after being on amoxicillin for 48 hours? We kissed and I gave him oral.

Is it possible for me to transmit strep throat to my boyfriend after being on amoxicillin for 48 hours? We kissed and I gave him oral.

Generally, you're: Considered no longer contagious after 24 hours on the right antibiotic. However, it's certainly possible. He should be advised to see a doctor if he gets a sore throat and/or swollen glands, especially if he also has a fever or skin rash. Dr. Anne ...Read more

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How soon after starting Amoxicillin for strep throat should my throat feel better? I've taken one full day and am still in extreme pain!

How soon after starting Amoxicillin for strep throat should my throat feel better? I've taken one full day and am still in extreme pain!

At least 48 hrs.: Antibiotics are not like aspirin or Tylenol (acetaminophen). You cannot expect to get significant relief from symptoms of a bacterial infection (in this case strep pharyngitis) for at least 48 or perhaps even 72 hrs. After beginning the antibiotic. Of course, we are assuming that strep is VERIFIED & not just being given on the basis of a red throat white dots or not which often times turn out a viral infection. ...Read more

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My son tested slightly +ive for strep throat Fri. He has been taking amoxicillin 3xs a day. He is still complaining of headaches. Is this normal?

My son tested slightly +ive for strep throat Fri. He has been taking amoxicillin 3xs a day. He is still complaining of headaches. Is this normal?

Slight positive is: Positive so he does have strep and is in his third day of treatment. You would expect his symptoms to improve by the fourth or fifth day so he is still in the window for persistent discomfort. He should not, however, be worsening. If he is, return to your doctor. ...Read more

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I've been on amoxicillin 875mg for 5 days for strep throat. My throat feels better, but my cough has not gotten better at all. Should I be concerned?

I've been on amoxicillin 875mg for 5 days for strep throat. My throat feels better, but my cough has not gotten better at all. Should I be concerned?

Could be your sinus: Chronic sinuses infection can cause such, and few days of antibiotics won't clear it, please see your doctor again, might prescribe you more, a different antibiotic, or whatever deems necessary up to her/his judgement ...Read more

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Had strep throat week ago took amoxicillin it went away, it came back bc I only did two day meds. After I dusted at work it back again can it be dust?

Mgt: It may be local irritation but it is important to finish the course of antibiotics as prescribed by your PCP.
Stay well hydrated and rest during your recovery. ...Read more

Pharynx (Definition)

It is the connection between the mouth and the throat. The 3 parts are the oropharynx, nasopharynx, and hypo-pharynx. The pharynx leads into the ...Read more


Dr. Philip Miller
1,141 Doctors shared insights

Amoxil (Definition)

Amoxil is a third generation penicillin which is a kind of penincillin type drug (anti-bacterial ...Read more