Cephalexin
Cephalexin (Keflex) is an oral antibiotic belonging to the cephalosporin class. It treats various organisms causing systemic issues by stopping bacterial growth. Two generic formulations are available, including established brands such as Keflex and Keftab, for patients managing their health conditions.
Key points
- As a semi-synthetic cephalosporin, it stays active in the bloodstream long enough to curb bacterial replication.
- It is available as a hard capsule or tablet, sold under brands including Keflex and Keforal.
- Rare but serious reactions, such as breathing difficulty or skin rash, need immediate medical attention.
- It may interact with blood thinners, so combined use should be discussed with a healthcare provider.
What is Cephalexin?
Cephalexin belongs to a group of medications known as cephalosporins, which are commonly utilised within the Antibiotics category. It functions to impede the development of specific organisms and is widely used for its efficacy in several clinical settings for different types of infections.
What Cephalexin is used for
Medical practitioners use this medication primarily to manage a Bacterial Infection. It is effective against various systemic issues, assisting the body in resolving the growth of the infecting organisms.
How does Cephalexin work?
Cephalexin disrupts the formation of the cell wall in bacteria. By preventing these organisms from establishing their protective layer, the medication allows the body to clear the infection. It remains active in the bloodstream for a duration sufficient to curb continued bacterial replication.
Cephalexin brands and forms
This medication is available in several forms to suit individual preferences, including hard capsule and tablet versions. While the chemical compound acts consistently across products, brands such as Keforal and Keflex provide different options for those seeking consistent treatment alternatives. Patients may evaluate the specific formulation and brand suitability based on their specific health requirements.
Safety overview for Cephalexin
What to check before using this medicine
Confirm that you do not have a known allergy to penicillin or cephalosporins. Provide complete medical history regarding any kidney or liver impairment to your healthcare provider.
Possible reactions and tolerability
Common responses may include mild digestive upset, nausea, or diarrhoea. Rare but serious reactions require immediate attention if they occur, particularly if breathing difficulties or skin rashes are observed.
Interactions and health factors
Discuss the prior use of this antibiotic with other regimens, as it may interact with blood thinners or other concurrent medications. Product labelling and verified clinical sources remain the correct references for specific contraindications, interactions and reactions.
Further reading
What is cephalexin used for?
Cephalexin is used mainly to manage a bacterial infection. It is effective against various systemic issues and stops the growth of the bacteria causing the infection.
How does cephalexin work?
Cephalexin is a first-generation cephalosporin that inhibits the synthesis of the bacterial cell wall by binding to penicillin-binding proteins. This stops peptidoglycan synthesis and leads to bacterial cell death. It also stays active in the bloodstream long enough to curb continued bacterial replication.
How long does cephalexin take to work?
Cephalexin usually starts to work within 1 hour. Its duration in the body is 6 to 8 hours.
What are the side effects of cephalexin?
Common side effects include diarrhoea and nausea. Rash and vaginal discharge can also occur, while serious reactions such as anaphylaxis and severe skin reactions need immediate medical attention.
Can cephalexin be taken with other medicines?
Cephalexin may interact with blood thinners, so combined use should be discussed with a healthcare provider. It can also interact with probenecid, so check with a doctor or pharmacist before combining them.
Who should not take cephalexin?
People with a known allergy to penicillin or cephalosporins should confirm this before using the medicine, as hypersensitivity to cephalosporins is a contraindication. Anyone with kidney or liver impairment should give a complete medical history to their healthcare provider. Speak to a doctor or pharmacist if you are unsure.
In which products can I find cephalexin?
Products containing cephalexin include Keflex and Keftab. Compare forms, strengths and packs in the listings above.
What brand names is cephalexin sold under?
Besides the products listed here, cephalexin is sold under brand names such as Keforal. Names differ from country to country, so the active ingredient is the surest way to compare.
Can I buy cephalexin over the counter in Thailand?
Yes. In Thailand cephalexin is sold by pharmacists without a prescription, and Yasabai does not ask for one either. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.
Ordering without a prescription →Do you deliver cephalexin to Thailand?
Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.
How ordering works →