more frequent adverse effects
less frequent adverse effects
skin rash that is red, peeling, or blistered
bleeding or bruising
seizures or tremors
around lights, halo
eyes or skin that have a yellow tint
uncommon side effects
chest discomfort or pain
Serious side effects are possible with Keflex. If you have: Stop taking Keflex and contact your physician right away.
severe abdominal pain, bloody or watery diarrhea;
kidney issues: infrequent or no urination, swelling, blood in the urine;
Hives, fever, swollen glands, joint pain, general malaise, unusual bruising or bleeding, extreme exhaustion, nausea, vomiting, rapid breathing, skin rash, and itching are symptoms of a severe allergic reaction.
For the majority of bacterial infections, a dose of 250 mg every 6 hours or 500 mg every 12 hours is advised. You can take Keflex with or without food.
The recommended dose for an adult to treat a bladder infection is 3 grams (mg) in one dose. Keflex needs to be taken at regular intervals.
How does Keflex work?
Keflex is a member of the cephalosporin antibiotics drug class. A class of drugs is a collection of drugs with similar mechanisms of action. Similar conditions are frequently treated with these medications. Keflex works by eliminating the infection-causing bacteria.