The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL 13621/0022.
Cefalexin Tablets 250 mg & 500mg
Cefalexin Tablets 250 mg
Cefalexin Tablets 500 mg
1. What Cefalexin is and what it is used for
2. What you need to know before you take Cefalexin
3. How to take Cefalexin
4. Possible side effects
5. How to store Cefalexin
6. Contents of the pack and other information
Cefalexin contains the active ingredient cefalexin monohydrate, which is an antibiotic.
Cefalexin is used to treat the following infections caused by bacteria that can be killed by cefalexin:
Talk to your doctor or pharmacist before taking Cefalexin if you:
Tell your doctor if you are having blood or urine tests. Cefalexin may interfere with these tests.
Acute generalised exanthematous pustulosis (AGEP) has been reported with the use of cefalexin.
AGEP appears at the initiation of treatment as a red, scaly widespread rash with bumps under the skin and blisters accompanied by fever. The most common location: mainly localized on the skin folds, trunk, and upper extremities. The highest risk for occurrence of this serious skin reaction is within the first week of treatment. If you develop a serious rash or another of these skin symptoms, stop taking cefalexin and contact your doctor or seek medical attention immediately.
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines, including medicines obtained without a prescription. This is especially important of the following, as they may interact with your Cefalexin:
It may still be all right for you to be given Cefalexin and your doctor will be able to decide what is suitable for you.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Cefalexin should not affect your ability to drive or use machines.
This medicine contains less than 1 mmol sodium (23 mg) per tablet, that is to say essentially ‘sodium free’.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
Adults and the elderly
The usual total daily dose is 1-4 g orally, in divided doses.
Use in children
The usual total daily dose for children is 25-50 mg/kg (body weight) in divided doses.
For most infections the following schedule is suggested:
Children under 5 years: 125 mg every 8 hours.
Children 5 years and over: 250 mg every 8 hours.
In severe infections, the dose may be doubled. In the treatment of middle ear infections, a total daily dose of 75 to 100 mg/kg in 4 doses is required.
For oral use. The score line on the 500 mg Tablet is only there to help you break the tablet if you have difficulty swallowing it whole.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediately if you get any sudden wheeziness, difficulty in breathing, swelling of the eyelids, face or lips, rash or itching (especially affecting your whole body).
The following side effects are serious. You should stop taking this medicine and contact your doctor immediately if you experience them:
The following side effects have been reported
If you get any side effects talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet.
You can also report side effects directly via the Yellow Card Scheme Website:
www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the label or carton after EXP. The expiry date refers to the last day of that month.
Do not store above 30°C. Keep containers tightly closed.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
The active substance is cefalexin monohydrate.
The other ingredients are:
Sodium starch glycollate, magnesium stearate, povidone, methylhydroxypropylcellulose, glycerol, talc, titanium dioxide (E171), iron oxide yellow (E172) and iron oxide red (E172).
250 mg Tablets: Peach coloured tablet, 8.5 mm diameter and marked ‘GP3’. Available in blister strips of 28 tablets.
500 mg Tablets: Peach coloured pillow-shaped tablet, 16 mm long, scored and marked ‘GP4’. Available in plastic bottles of 20, 100 and 500 tablets or blisters of 3, 4, 21 or 28 tablets.
Not all pack sizes may be marketed.
This leaflet was last revised in December 2023