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Doctor insights on: Amoxicillin 400mg 5ml

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My 42lb son was given a dosage of 6mls twice a day of liquid amoxicillin (400mg/5ml) for strep. Does this seem right? Worried about overdose. Thanks.

My 42lb son was given a dosage of 6mls twice a day of liquid amoxicillin (400mg/5ml) for strep. Does this seem right? Worried about overdose. Thanks.

Yes: The dose your son was given is correct. Make sure he is staying hydrated and don't forget to get him a new tooth brush in a few days (his old one is likely teeming with strep). Hope he starts feeling better really soon! ...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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My 3 year old son is 32pounds and was given amoxicillin 400mg/5ml 100ml to take 5ml twice a day for strep. Take all&finish. Isn't the dosage too much

My 3 year old son is 32pounds and was given amoxicillin 400mg/5ml  100ml to take 5ml twice a day for strep. Take all&finish. Isn't the dosage too much

No, that dose is: fine. There is a dosing range depending on the child's weight, which is 40-80 mg/kg/day. He is 14.5 kg, so this dose is 55mg/kg/day, which is perfectly fine. ...Read more

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My 70lb son was given a dosage of 18. 5mls twice a day of liquid amoxicillin (400mg/5ml) for strep. Does this seem right? Worried about overdose. Than

Seems high: That dose is about 1400 mg per dose which translates into 90 mg/kg per day. this is on the high end of treating resistant strep pneumo for otitis media. Definitely not appropriate dose for strep or pneumonia ...Read more

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My 29lb daughter was given a dosage of 4ml twice a day of liquid amoxicillin (400mg/5ml). Does it correct? Not overdose ? Thank You.

Depends: The dosing for this med is based on both patient weight and what you are treating. For some respiratory or urinary infections the dosage of 50mg/kg/d would be expected.For an otitis media, 90mg/kg could be considered proper. Your dosage is at the lower end of normal for some issues and low for others. ...Read more

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My baby is 20 lbs and doctor prescribed amoxicillin 400mg/5ml 1tsp or 5 ml twice a day. Is that correct?

My baby is 20 lbs and doctor prescribed amoxicillin 400mg/5ml  1tsp or 5 ml twice a day. Is that correct?

Yes..: That is correct for her weight. Usually sounds like a high dose but for some conditions it is necessary to use the maximum dose which is 90 mg/kg and if divided by two this would be the recommended dose. ...Read more

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My 40lbs 5yr old was given a dosage of 10 ml twice a day of liquid amoxicillin (400mg/5ml) for sinus infection Does this seem right? Thanks.

My 40lbs 5yr old was given a dosage of 10 ml twice a day of liquid amoxicillin (400mg/5ml) for sinus infection  Does this seem right? Thanks.

Seems high: For a severe sinus infection I would prescribe 45 mg / kg /day divided in 2 doses. Your child is 40 lb which is 18 kg. She should have about 800 mg / day which would be 400 mg twice a day. That would only be 5 cc every 12 hours. Double check with your doctor about this. ...Read more

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9yr old 78lb.male on amoxicillin 400mg/5ml (10ml bid) for 3 1/2 days so far for infection in mouth. Now has strep. Should this antibiotic cure it?

9yr old 78lb.male on amoxicillin 400mg/5ml (10ml bid) for 3 1/2 days so far for infection in mouth. Now has strep. Should this antibiotic cure it?

Normally yes: IF on the antibiotic when he acguired Strep I would suspectantibithe infection is resistant to the antibiotic and a new antibiotic should be given. I hope he feels better soon. ...Read more

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My 30lb son (2.5 years old) was given a dosage of 7.5ml twice a day of amoxicillin (400mg/5ml) for ear infection. Does this seem right?

My 30lb son (2.5 years old) was given a dosage of 7.5ml twice a day of amoxicillin (400mg/5ml) for ear infection. Does this seem right?

80mg/kg: American Academy of Pediatrics has been advocating an 80 mg/kg/d dose of amoxicillin for many years now. At 400mg/5cc this comes out to 5.5 cc by mouth twice a day. The dose is a little high, even by our standard of rounding. A teaspoon and a half is 7.5 ccc. Your provider seems to have rounded this up, perhaps due to this age notoriously spitting up medicine. Ask her. ...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

Dr. Philip Miller
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Amoxil (Definition)

Amoxicillin (inn), formerly amoxycillin (ban) in some markets, and abbreviated amox, is a moderate-spectrum, bacteriolytic, β-lactam antibiotic used to treat bacterial infections ...Read more