1–4 grams per day taken in divided doses . The usual dose is 250 mg taken every 6 hours, or a dose of 500 mg every 12 hours may be given. If you have a severe infection, your doctor may give you a larger dose.
How long does it take for cephalexin to work for ear infection?
6. Response and effectiveness. Peak concentrations of cephalexin are reached one hour after dosing; however, it may take up to 48 hours before infection-related symptoms start to abate.
Is 500 mg of Keflex 4 times a day too much?
For most adults, Keflex (cephalexin) 500 mg 4 times a day is not too high a dose . Some people may need even more if they have severe infections or if they have some bacterial resistance to Keflex (cephalexin). Your provider will choose an appropriate dose based on your needs.
Is 1000 mg of cephalexin too much?
Adults and children 15 years of age and older—1000 to 4000 milligrams (mg) per day, taken in divided doses. Children 1 year of age and older—Dose is based on body weight and must be determined by your doctor. The dose is usually 25 to 100 milligrams (mg) per kilogram (kg) per day, taken in divided doses.
How often do you take cephalexin 500mg?
Dosage. The dose of cefalexin can vary but for most infections you will take 500mg, two or three times a day . The dose may be higher for severe infections and lower for children. Try to space the doses evenly throughout the day.
What should I avoid while taking cephalexin?
Acidic foods such as citrus juice, carbonated beverages, chocolate, antacids and tomato-based products such as ketchup can all interfere with drug absorption. Have your child avoid these several hours before and after taking the medication, said Seidman. With the exception of yogurt, avoid dairy, said Kohlstadt.
Can I take cephalexin 500mg 4 times a day?
Four times each day: this should be once in the morning, at around midday, once in the early afternoon and once in the evening . Ideally, these times are about 4 hours apart, for example 8 am, midday, 4 pm and 8 pm.
Can I take 2 500mg cephalexin at once?
If it is almost time for the next dose, skip the missed dose and take your next dose at the regular time. Do not take two doses of cephalexin at the same time .
Is it safe to take 1000 mg of cephalexin?
The recommended adult dose of cephalexin ranges from 250 mg to 1,000 mg 4 times daily . It can be taken with food or on an empty stomach. The usual dose of cephalexin for children is based on body weight. The recommended dose is 25 mg to 50 mg per kilogram of body weight each day, divided into 4 equal doses.
Is 500mg of cephalexin strong?
The usual dose is 250 mg taken every 6 hours, or a dose of 500 mg every 12 hours may be given. If you have a severe infection, your doctor may give you a larger dose. 25–50 mg/kg of body weight per day taken in divided doses. Your doctor may double your dose for severe infections.
What is the side effect of cephalexin 500mg?
Diarrhea, nausea, vomiting, or upset stomach may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
Is cephalexin the same as amoxicillin?
Are cephalexin and amoxicillin the same? While cephalexin and amoxicillin are each beta-lactam antibiotics, they are not the same . Cephalexin is a cephalosporin antibiotic, and amoxicillin is a penicillin derivative. While they cover some of the same bacterial organisms, they each cover unique organisms.
What if cephalexin does not work?
If your symptoms do not improve or get worse, call your doctor. Continue to take cephalexin until you finish the prescription even if you feel better. If you stop taking cephalexin too soon or skip doses, your infection may not be completely treated and the bacteria may become resistant to antibiotics .
Can I eat eggs while taking ciprofloxacin?
Can I eat eggs while taking ciprofloxacin (Cipro)? You can eat eggs with ciprofloxacin (Cipro) . Eggs do not contain high levels of calcium or other vitamins and minerals that affect how your body absorbs ciprofloxacin (Cipro).
How long does cephalexin 500 mg stay in your system?
Keflex has a half-life of eight hours before being excreted in the urine. The typical dose of Keflex is 250 mg every six hours, with treatment lasting from 7 to 14 days . In healthy patients with more widespread infection, doses may be increased to 500 mg every 12 hours.
