This medicine contains the active substance cefalexin which belongs to a group of medicines called cephalosporins antibiotics. Antibiotics are widely used for the treatment of bacterial infections by killing bacteria. Some of them are infection of the ears, urinary tract, skin, respiratory tract, bone and joint, reproductive organs, dental infections and inflammation of the prostate gland.
Is Cefalexin suitable for me?
Cefalexin is not suitable for everyone. Do not use it
- if you are allergic to cefalexin or to other ingredients of this medicine
- if you have porphyria (metabolic disorder)
In particular, you must tell the doctor if you:
- are pregnant, planning to get pregnant, or breastfeeding
- have had allergic reaction to cefalexin, cephalosporins, penicillins or other drugs in the past
- have kidney problems
- have developed diarrhea
Cefalexin interacts with other medicines. It is most important that you tell the doctor all the medications and herbal supplements that you are currently taking.
See the package leaflet for a complete list of possible contraindications and warnings.
How should I take Cefalexin?
This medicine is available in form of a capsule and granules for oral suspension.
You should take cefalexin exactly as instructed by your doctor or pharmacist.
- The usual dose for mild infections is 250 mg every 6 hours or 500 mg every 12 hours. In the case of more severe infections, the dose will be increased to 500 mg three times a day (every 8 hours).
- The maximum dose for children is usually 250 mg three times a day.
Do not use more of it, do not use it more often, or do not use it for a longer time than your doctor instructed. Also, this medicine works best if there is a constant amount in the blood. To help keep this amount constant, do not miss any doses and take the medicine at the same time each day. Do not take two doses together if you miss a dose.
Read the information leaflet provided with your medication for additional information. Talk to your doctor if you have any additional questions.
What are Cefalexin side effects?
Like all medicines cefalexin can cause side effects, including:
- diarrhea, stomach pain
- heartburn, indigestion
- lower gut pain,
- inflammation of colon (colitis),
- feeling sick or being sick
- itching, red wheals on the skin (urticaria)
- blisters in the nose or mouth
- changes in blood results
- liver or kidney problems
- weakness, fainting
- dizziness, tiredness, headache, sleep disorders, nervousness
- thrush (candidiasis)
Consult a doctor if the side effects are severe. See the package leaflet for a complete list of side effects.