What is Cephalexin?

Category: Prescription Drugs

Most popular types: Keflex Cephalex Apo-Cephalex

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Cephalexin is a cephalosporin antibiotic used to treat certain infections caused by bacteria such as pneumonia and bone, ear, skin, and urinary tract infections.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Prevent infection 34 24
Cellulitis 7 7
Urinary tract infection 7 11
Bacterial overgrowth syndrome 5 2
Sinus infection (sinusitis) 5 4

Show all 40 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 7
Moderate 11
Mild 14
None 55

Commonly reported side effects and conditions associated with Cephalexin

Side effect Patients
Diarrhea 7
Constipation 2
Nausea 2
Nausea during and after eating 2
Abdominal cramps 1
Chronic diarrhea 1

Show all 23 reported side effects

Dosages

Based on patients currently taking Cephalexin

Dosage Patients
500 mg three times daily 5
250 mg daily 3
500 mg four times daily 2
500 mg daily 1
1,000 mg daily 1
500 mg twice daily 1
2,000 mg four times daily 1
500mg as needed 1

Why patients stopped taking Cephalexin

Multiple reasons could be selected

Reason Patients
Course of treatment ended 75
Doctor's advice 13
Did not seem to work 9
Side effects too severe 7
Other 6
Change in health plan coverage 2
Personal research 2
See all 99 patients who've stopped taking Cephalexin

Duration

Currently taking Cephalexin

Duration Patients
Less than 1 month 1
1 - 6 months 2
6 months - 1 year 2
1 - 2 years 1
2 - 5 years 7
5 - 10 years 1
10 years or more 1

Stopped taking Cephalexin

Duration Patients
Less than 1 month 71
1 - 6 months 15
6 months - 1 year 4
1 - 2 years 3
2 - 5 years 5
5 - 10 years 2
Adherence
Adherence Evaluations
Always 70
Usually 10
Sometimes 5
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 5
Somewhat hard to take 10
A little hard to take 19
Not at all hard to take 53
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 1
$50-99 2
$25-49 2
< $25 47
Not specified 35

What people switch to and from

Patients started taking Cephalexin after stopping:

Treatment Patients
Amoxicillin-clavulanate (Augmentin) 2
Doxycycline (Doxylin) 2
Erythromycin (Ery-Tab) 1
Sulfamethoxazole-Trimethoprim (cotrimoxazole) (Bactrim) 1

Patients stopped taking Cephalexin and switched to:

Treatment Patients
Nitrofurantoin (Macrodantin) 3
Sulfamethoxazole-Trimethoprim (cotrimoxazole) (Bactrim) 3
Amoxicillin-clavulanate (Augmentin) 1
Clindamycin (Clindamycin PH 1% Gel) 1
Doxycycline (Doxylin) 1

Show all 6 treatments patients report switching to

Last updated:

8 patient evaluations for Cephalexin

Jul 13, 2017 (Started Sep 02, 2016)

  • Effectiveness
    Major (for cellulitis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Four times daily

Sep 7, 2016 (Started Sep 02, 2016)

  • Effectiveness
    None (for bronchitis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Three times daily

  • 0 helpful marks

Jan 9, 2015 (Started Dec 13, 2014)

  • Effectiveness
    Can't tell (for Prevent infection)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 4 x 250 mg/5 mL Four times daily

  • 0 helpful marks

Apr 28, 2013 (Started Apr 15, 2013)

  • Effectiveness
    Moderate (for wound infection)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Somewhat hard to take
Dosage: 2000 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 8 patient evaluations for Cephalexin