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Doctor insights on: Keflex Dosage Vomiting

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Diagnosed w/ double pnue. A week ago. On keflex, promethazine/codeine syrup and albuterol inhaler. Still coughing so hard I vomit and pee. Help?

Diagnosed w/ double pnue. A week ago. On keflex, promethazine/codeine syrup and albuterol inhaler. Still coughing so hard I vomit and pee. Help?

Bronchi inflamed: Your pulmonary infection is attracting an inflammatory response, with mucus exudate that you must clear up and out. The cough is a good reflex. Still, you are miserable. Try: hot showers 3x/day, warm salt gargles hourly, a different cough med (Hycodan) (best rx), Ricola or Halls cough drops, tea hourly, and ask about different antibiotic. Are you wheezing? Any asthma tendencies? Predisone? ...Read more

Dr. Oscar Novick
2,118 Doctors shared insights

Vomiting (Definition)

Vomiting = expulsion of stomach ...Read more


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I have a 4 yr old that was placed on keflex this am. Cough, abd pain, vomiting, diarrhea, fever (101.4-102.7). Fever started 2040 on 3/3/15. Now 95.0 F?

I have a 4 yr old that was placed on keflex this am. Cough, abd pain, vomiting, diarrhea, fever (101.4-102.7). Fever started 2040 on 3/3/15. Now 95.0 F?

Thermometer working?: Your question leaves me with more questions before I could answer it. That is usually a sign that a call to your pediatrician is in order. Why were the antibiotics started (diagnosis)? Is your thermometer working. A true temp of 95 concerns me as I worry about sepsis and worsening illness. How does your child look/act? Call the doctor OR if not acting well be seen in ER. ...Read more

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Can I get pregnant if I vomited a little two hours after taking my pill? I'm also on keflex for throat infection & had unprotected sex yesterday.

Can I get pregnant if I vomited a little two hours after taking my pill? I'm also on keflex for throat infection & had unprotected sex yesterday.

Yes.: But you knew that already--didn't you? Skipping a pill (same as vomiting it up), antibiotic usage, and unprotected sex are all ways that can make you a parent. Even if the odds are low, they are still there. Be careful out there! Be on bc that you control; also be aware that unprotected sex can mean std. ...Read more

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I have a 15, 000 WBC count in blood on keflex and doxycycline for urine infection for 2 days now chills and throwing up?

I have a 15, 000 WBC count in blood on keflex and doxycycline for urine infection for 2 days now chills and throwing up?

See your doctor: Your vomiting could be due to medication side effects but if you are also having chills it could mean that you may be having pyelonephritis which means the infection has ascended up in the urinary tract into the lower part of the kidneys (especially if you also have fever and flank pain plus your high wbc)). You need to see your doctor to be rechecked and for a possible change in antibiotics. ...Read more

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Severe headache especially behind left eye for 7 days. Had sweats, cold chills and vomiting for 4 days. Family doctor put me on cephalexin 2000 mg.

Severe headache especially behind left eye for 7 days. Had sweats, cold chills and vomiting for 4 days. Family doctor put me on cephalexin 2000 mg.

Eye pain: The best way to start the evaluation would be to see an ophthalmologist for a complete eye examination to see if an explanation can be found for your symptoms or to decide what he next step should be. The initial impression of your family doctor suggests a sinusitis and the use of the antibiotic. If this does not resolve the issue then I would suggest following through with an ophthalmologist. ...Read more

Dr. Ziad Akl Dr. Akl
2 doctors agreed:
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How do you treat a person who gets chronic uti's all the time? Tests all normal. Was on keflex low dose for years and it helped, but not anymore.

Dr. Ziad Akl Dr. Akl
2 doctors agreed:
How do you treat a person who gets chronic uti's all the time? Tests all normal. Was on keflex low dose for years and it helped, but not anymore.

Treat the cause: If you have not been investigated, you should be checked for stones, anatomic abnormalities etc. If all causes have been ruled out, you should consider a different antibiotic based on a culture result. ...Read more

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Is 500mg keflex TID for 10 days a strong dose?

Is 500mg keflex TID for 10 days a strong dose?

Recommended dose: No, 500mg TID x 10 days is the recommended dose for susceptible infections. Some clinicians only prescribe it BID or for only 7 days. Please follow your clinician's recommendation and complete full course. ...Read more

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I never took keflex before. I took amoxicilin before, I'm not allergic to it. Is there anyway I can try to see if I'm allegric before I take full dose?

I never took keflex before. I took amoxicilin before, I'm not allergic to it. Is there anyway I can try to see if I'm allegric before I take full dose?

No: Most people do not become allergic to antibiotics yet it can develop at any time. Thus there is no way to tell ahead of time whether you may be allergic to an antibiotic or not. ...Read more

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Will keflex 250 help with acne? Is this dose too low to make a difference?

Will keflex 250 help with acne? Is this dose too low to make a difference?

Keflex/acne: No. Antibiotics need to be targeted against specific bacteria which caused a problem. In this case acne is not one which can be helped with keflex. ...Read more

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I have oral thrush. My Dr. Prescribed me one dose of Fluconazole. I started taking Keflex yesterday. Should I continue to take the Keflex?

I have oral thrush. My Dr. Prescribed me one dose of Fluconazole. I started taking Keflex yesterday. Should I continue to take the Keflex?

What's it for?: You mentioned a thrush infection and treating that but why are you on the Keflex? If this was prescribed by a physician for a bacterial infection, it would not be wise to stop it. Check with the prescribing doctor. ...Read more

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With recurring uti's - my brother was given ampicillin to be followed by supportive dose of keflex indefinitely. When should he be retested?

With recurring uti's - my brother was given ampicillin to be followed by supportive dose of keflex indefinitely. When should he be retested?

Up to his doctor: UTI in older men usually occurs with other urinary tract problems that increase susceptibility or make it difficult or impossible to eliminate all bacteria: prostate infection, kidney stone, partial blockage, etc. Best antibiotics and follow-up testing are complex decisions, impossible to judge without more info. If any doubt, your brother might benefit from infectious disease consultation. ...Read more

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Painless lump in underarm. Dr thought hair follicle or sweat gland. Put me on 2000 mg keflex. No lymph modes in arm. Is that why such a high dose?

Painless lump in underarm. Dr thought hair follicle or sweat gland. Put me on 2000 mg keflex. No lymph modes in arm. Is that why such a high dose?

Stop Keflex: No possibility of any benefit from any antibiotic, only risks of bad effects. Probably no need to treat. See a dermatologist if it annoys you. If it grows larger it needs to be checked: suggest a different place. Usually this will be a small cyst in the acne family. If it becomes painful or larger then other things need be considered. ...Read more

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Swollen nasal passages for three months. Nasal swab found large amount of coagulase negative staph. Doctor wants me to take keflex. I was on keflex for 5 years low dose to treat e-coli UTI which is now resistant to keflex. Wont staph be resistant to?

Swollen nasal passages for three months. Nasal swab found large amount of coagulase negative staph. Doctor wants me to take keflex. I was on keflex for 5 years low dose to treat e-coli UTI which is now resistant to keflex. Wont staph be resistant to?

No: A person doesn't get resistent to an antibiotic, but a germ can. If you have not been on keflex in the past months it would likely kill off some of the germs on your body. However; I find coag negative staph to be a normal skin contaminant and not worthy of any treatment. Use of a simple OTC nasal steroid spray like rhinocort would help with most causes of nasal membrane swelling. ...Read more

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If I took a cephalexin capsule on an empty stomach 10 hours ago, would I be throwing up right now?

If I took a cephalexin capsule on an empty stomach 10 hours ago, would I be throwing up right now?

No: The Cephalexin tablet is long gone. Most foods and other substances do not stay in our stomach longer than an hour. All the best and I hope your vomiting is better. ...Read more

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Which probiotic works with keflex?

Which probiotic works with keflex?

Any: Probiotics in theory would work with any antibiotic. It are independent fsctors. Probiotics will try restore or maintain flora & GI environment. As well as try keep an anti oxidant balance ...Read more

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Keflex can I drink a beer?

Keflex can I drink a beer?

Yes: There is no contraindication to taking Keflex with alcohol but if you have an infection requiring antibiotic treatment I would limit the alcohol consumption until you're better. ...Read more

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Is keflex effective for boils?

Is keflex effective for boils?

Not very: By the time someone has a boil, it's generally too late for antibiotics. A boil needs to be opened and drained. In addition, a large proportion of boils or abscesses these days are caused by mrsa, which can't be treated with keflex. Mrsa is generally treated with Bactrim (sulfamethoxazole and trimethoprim) or clindamycin, but again, drainage is the key. ...Read more

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How safe is keflex in first trimester?

Probably safe: Keflex is considered safe (category b) for 2nd and 3rd trimesters, but it has not been as thoroughly tested during the 1st trimester. Use only if no other options., and discuss your concerns with your doctor. ...Read more

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What is the treatment for keflex overdose?

What is the treatment for keflex overdose?

Time: You cannot really overdose on an antibiotic, but if you take too much of one of them, then time is all it should take to clear it naturally. ...Read more