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Cefalexin

INFORMATION

Uses

Cefalexin is used in the treatment of bacterial infections.

How it works

Cefalexin is an antibiotic. It kills the bacteria by attacking their cell wall. Specifically, it prevents the synthesis of a substance in the cell wall called peptidoglycan, which provides the cell wall with the strength required for survival of bacteria in human body.

Common side effects

Vomiting, Itching, Generalised rash, Skin rash, Urticaria, Bleeding, Bruise, Stomach upset, Skin reaction, Diarrhoea, Mouth ulcer, Wheezing, Difficulty in swalloing, Vaginal infection, Shortness of breath

AVAILABLE MEDICINE

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Expert advice

• Do not start or continue the cephalexin capsules and consult your doctor if you are allergic (hypersensitive) to cephalexin, other cephalosporins (similar antibiotics), or penicillin group of antibiotics. An allergic reaction may include rash, itching, difficulty in breathing or swelling of the face, lips, throat or tongue
• Do not start or continue the cephalexin capsules and consult your doctor if you experience diarrhea; symptoms include pain, fever and inflammation of the large intestine
• Do not start or continue the cephalexin capsules and consult your doctor if you are pregnant or planning to become pregnant or breastfeeding.
• If you are taking vitamin supplements, do not take them for 2 hours before or after taking this drug.

Frequently asked questions

Cefalexin

Q.Does cephalexin contain sulfa or penicillin?
Cephalexin does not contain sulfa and is not penicillin. It is a cephalosporin antibiotic

Q.Is cephalexin the same as Keflex, Sporanox, or amoxicillin?
Keflex is a brand name for cephalexin, but Sporanox and amoxicillin are other drugs

Q.Is cephalexin safe?
Cephalexin is safe if used at prescribed doses for the prescribed duration as advised by your doctor

Q.Can I take cephalexin with Nyquil (acetaminophen, dextromethorphan, doxylamine, and pseudoephedrine), Tylenol (paracetamol), Dayquil (Phenylephrine, acetaminophen, dextromethorphan), Benadryl (diphenhydramine), Tamiflu (oseltamivir phosphate), or Advil (ibuprofen)?
Yes, you may take cephalexin with Nyquil, Tylenol, Dayquil, Benadryl, Tamiflu, or Advil. Please consult your doctor before use

Q.Can I take cephalexin with citalopram, or vitamins?
Yes, you can take cephalexin with citalopram, or vitamins

Q.Can I take cephalexin for a cold?
Cephalexin treats infections caused by bacteria. It does not treat a viral infection such as the common cold or flu

Q.Does cephalexin treat sexually transmitted diseases (STDs), methicillin-resistant staphylococcus aureus (MRSA), staph infections or bacterial vaginosis (BV)?
Cephalexin is not approved to treat STDs and is not active against MRSA. It may be used against staph infections, but is not very effective against bacterial vaginosis.


Content on this page was last updated on 24 November, 2016, by Dr. Varun Gupta (MD Pharmacology)