How many mg is Keflex?
The usual dose of oral KEFLEX is 250 mg every 6 hours, but a dose of 500 mg every 12 hours may be administered. Treatment is administered for 7 to 14 days. For more severe infections larger doses of oral KEFLEX may be needed, up to 4 grams daily in two to four equally divided doses.
What is cephalexin 250mg capsule?
Cephalexin is a cephalosporin (SEF a low spor in) antibiotic. It works by fighting bacteria in your body. Cephalexin is used to treat infections caused by bacteria, including upper respiratory infections, ear infections, skin infections, urinary tract infections and bone infections.
How do you take Keflex 250 mg?
Take this medication by mouth as directed by your doctor, usually every 6 to 12 hours with or without food. If you are using the suspension, shake the bottle well before each dose. Measure the dose carefully using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
Does Keflex come in 1000 mg?
Cephalexin is available as: Tablets of 250 and 500 mg. Capsules: 250, 500 and 750 mg. Powder for Suspension: 125 and 250 mg/5 ml.
How many times a day do you take cephalexin 500 mg?
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.
How much cephalexin should I take?
The usual dose is 250 mg taken every 6 hours, or a dose of 500 mg every 12 hours may be given. Your doctor may give you a larger dose if you have a severe infection. 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.
Is Keflex a sulfa drug?
No, Keflex is not a sulfa drug. It is a general antibiotic in the cephalosporin class. It is used for a wide variety of infections. People who have a Penicillin allergy may also be allergic to Keflex.
Can you overdose on cephalexin 500mg?
What happens if I overdose on Cephalexin (Keflex)? Overdose symptoms may include nausea, vomiting, stomach pain, diarrhea, and blood in your urine.
Is 500 mg of Keflex 4 times a day too much?
For most adults, taking 500 mg of cephalexin (Keflex) 4 times a day is not too high a dose. Some people might need even more if they have severe infections or if they have some bacterial resistance to cephalexin (Keflex). Your provider will choose an appropriate dose based on your needs.
How often should I take cephalexin 250 mg?
Is Keflex OK with sulfa allergy?
Which antibiotics are sulfa drugs?
Sulfonamides, or “sulfa drugs,” are a group of medicines used to treat bacterial infections….Commonly prescribed sulfonamides include:
- Gantrisin (sulfisoxazole)
- Bactrim or Septra (trimethoprim and sulfamethoxazole)
- Sulfadiazine.
- Azulfidine (sulfasalazine)
- Zonegran (zonisamide)
What is the pH of Keflex in water?
Keflex (Cephalexin/Cefalexin) 250mg/500mg/750mg Tablets, 6th ed., 2008 and Supplements 6.1 and 6.2 (Cefalexin Monohydrate). A white or almost white crystalline powder. Sparingly soluble in water; practically insoluble in alcohol. A 0.5% solution in water has a pH of 4.0 to 5.5.
Are there any Keflex tabs with no prescription?
Low Cost of Keflex Tabs (Cephalexin) No Prescription. Synonyms: Cefaleksinas monohidratas; Cefalexin; Cefalexin monohydrát; Cefalexina; Cefalexinmonohydrat; Cefalexinum; Cefalexinum Monohydricum; Cephalexin; Kefaleksiini; Kefaleksiinimonohydraatti Keflex (Cephalexin/Cefalexin) 250mg/500mg/750mg Tablets.
How much cephalexin is needed to treat rectal bacteriuria?
Cephalexin is known to be useful for prophylaxis clinically but substantial resistance has been reported in vaginal and rectal Escherichia coli at doses of 2 gm. per day. The effect of 250 mg. cephalexin nightly was studied in 23 women with recurrent bacteriuria who were treated for 6 months.
Are there any side effects to taking cephalexin?
The most common adverse effects of cefalexin and other oral cephalosporins are generally gastrointestinal disturbances and hypersensitivity reactions. Pseudomembranous colitis has been reported. Porphyria. Cephalexin is considered to be unsafe in patients with porphyria although there is conflicting experimental evidence of porphyrinogenicity.