What is Keflex?
Keflex, or Cefalexin, or Cephalexin, is a powerful and popular antibiotic, belonging to a group of cephalosporin antibiotics. Its active anti-bacterial action makes it useful in treatment of various infections, from otitis to cellulitis. 500mg Keflex pills were introduced in 1967, and it's the first-generation cephalosporin antibiotic with over 25 million prescriptions a year. 500mg Keflex pills are secondary only to amoxicillin and azithromycin. This medication is the first-line treatment for patients with penicillin hypersensitivity, in case of various infections.
Indications and medical uses
500mg Keflex pills are very helpful in case of various infections. The list of diseases, treated with Keflex includes more than 50 infections. The medication is the first-line treatment for cellulitis, and it's also quite useful in case of otitis media, streptococcal pharyngitis, pneumonia, bone and joints infections and urinary tract infections. The main benefit of 500mg Keflex pills is the possibility to safely use them in patients with penicillin hypersensitivity. However, patients with strong history of allergic reactions to penicillin are in the group of risk. Keflex, as any other cephalosporin antibiotic, is known to cause cross-allergic reactions in patients with a severe hypersensitivity to penicillin.
500mg Keflex pills are relatively new form of dosage of the medication. It's more convenient than 250 mg pills, and less expensive than 750 mg ones. Usual dosage is one 500mg Keflex pill twice daily for treatment of conventional infections. However, only your doctor can give personalized recommendation on dosage of the medication according to your personal medical conditions. That is why a consultation with your doctor is highly recommended. Thorough consultation can help you use Keflex most effectively, safely and conveniently for you.
Adverse effects and precautions for 500mg Keflex pills
There are not many adverse effects of Keflex. 500mg Keflex pills cause problems with digestion in less than 5% of patients. They include nausea, vomiting and diarrhea. Other side effects are dizziness, headaches and fatigue. Allergic reactions to Keflex are pretty rare: less than 0.1% of patients report allergic rash, itching or swelling. However, in patients with allergy to penicillin frequency of those reactions is increased up to 10% cases. That's why a thorough consultation with your doctor is required, before you buy 500mg Keflex pills. The main problem is the cross-allergy to Keflex in patients with penicillin hypersensitivity. Using Keflex as a replacement for penicillin antibiotic requires careful approach.
You can avoid most adverse effects, associated with 500mg Keflex pills, if you follow the recommendation of medical specialists carefully. To get personal recommendations on taking of the drug, you should be attentive and honest with your doctor. Tell him about your allergic reactions to other cephalosporin antibiotics, if any. Necessarily inform your doctor about your history of liver, kidney and stomach diseases. Tell him if you have diabetes or colitis.