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Drug Interactions and Side Effects of Keflex

Keflex has 29 Side Effects total
19 are Life Threatening
2 Occur Most Frequently
Click for a searchable interactive map of all Side Effects associated with Keflex

Uses of Keflex
 
Keflex is also known by the generic name Cephalexin


USES:
This medication is used to treat a wide variety of bacterial infections. This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria.

This medication will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.


Keflex has 19 Life Threatening (Critical) Side Effects
 
Critical Seriousness - Abnormal Liver Function Tests - Abnormal Hepatic Function Tests is a Life Threatening Side Effect of Keflex
Critical Seriousness - Allergic Reaction causing Serum Sickness - Serum Sickness is a Life Threatening Side Effect of Keflex
Critical Seriousness - Decrease in the Blood-Clotting Protein Prothrombin - Hypoprothrombinemia is a Life Threatening Side Effect of Keflex
Critical Seriousness - Deficiency of Granulocytes a Type of White Blood Cell - Agranulocytosis is a Life Threatening Side Effect of Keflex
Critical Seriousness - Erythema Multiforme is a Life Threatening Side Effect of Keflex
Critical Seriousness - Fever caused by Administration of a Drug - Drug Fever is a Life Threatening Side Effect of Keflex
Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Keflex
Critical Seriousness - Hemolytic Anemia is a Life Threatening Side Effect of Keflex
Critical Seriousness - Hepatitis is a Life Threatening Side Effect of Keflex
Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Keflex
Critical Seriousness - Kidney Disease - Renal Disease is a Life Threatening Side Effect of Keflex
Critical Seriousness - Kidney Failure - Renal Failure is a Life Threatening Side Effect of Keflex
Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Keflex
Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Keflex
Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Keflex
Critical Seriousness - Redness of Skin - Erythema is a Life Threatening Side Effect of Keflex
Critical Seriousness - Seizures - Seizure Disorder is a Life Threatening Side Effect of Keflex
Critical Seriousness - Severe Bloody Diarrhea from Antibiotics - Pseudomembranous Enterocolitis is a Life Threatening Side Effect of Keflex
Critical Seriousness - Stevens-Johnson Syndrome is a Life Threatening Side Effect of Keflex
Click for a searchable interactive map of all Life Threatening Side Effects associated with Keflex.

Keflex has 2 Most Frequently Occurring Side Effects
 
Diarrhea is a Frequently Occurring Side Effect of Keflex
Yeast Infection of Vagina and Vulva - Vulvovaginal Candidiasis is a Frequently Occurring Side Effect of Keflex
Click for a searchable interactive map of all Side Effects associated with Keflex

Keflex Drug-Drug Interactions
 
Keflex has interactions of severe seriousness with 2 drug(s):
Keflex has 1 severe interactions with Typhoid Vaccine. Click here to see them
Keflex has 1 severe interactions with Vivotif Berna Vaccine. Click here to see them

Keflex has interactions of serious seriousness with 7 drug(s).

Keflex has interactions of moderate seriousness with 79 drug(s).

Keflex has interactions of unknown seriousness with 0 drug(s).

Keflex has 3 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Keflex.

Keflex Oral Contraindications
(grouped by decreasing seriouosness level)

Relative Contraindications 

Pseudomembranous Enterocolitis - Severe Bloody Diarrhea from Antibiotics is a contraindication of Keflex.

Contraindication Warnings 

Colitis - Inflammation of the Large Intestine is a contraindication of Keflex.

Renal Disease - Kidney Disease is a contraindication of Keflex.

Keflex has 10 related brands and strengths:
 
Cephalexin 125 Mg/5 Ml Oral Susp

Cephalexin 250 Mg Cap

Cephalexin 250 Mg Tab

Cephalexin 250 Mg/5 Ml Oral Susp

Cephalexin 500 Mg Cap

Cephalexin 500 Mg Tab

Cephalexin 750 Mg Cap

Keflex 250 Mg Cap

Keflex 500 Mg Cap

Keflex 750 Mg Cap

Keflex - Symptoms of overdose may include
severe/persistent vomiting, blood in the urine, seizures.

Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

IMPORTANT NOTICE: The drug information contained in this application is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not exhaustive and is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express terms of use. By continuing to view the drug information on this site, you agree to abide by such terms of use.
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