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Review: could Cephalexin cause Tendonitis?

Summary: Tendonitis is found among people who take Cephalexin, especially for people who are female, 60+ old, have been taking the drug for < 1 month, also take medication Lexapro, and have Pain.

We study 7,334 people who have side effects while taking Cephalexin from FDA and social media. Among them, 67 have Tendonitis. Find out below who they are, when they have Tendonitis and more.

You are not alone: join a support group for people who take Cephalexin and have Tendonitis >>>



Cephalexin has active ingredients of cephalexin. It is often used in infection. (latest outcomes from 8,074 Cephalexin users)


Tendonitis (a condition that causes pain and swelling of tendons) has been reported by people with osteoporosis, sinusitis, high blood cholesterol, osteopenia, urinary tract infection. (latest reports from 9,551 Tendonitis patients)

On Apr, 7, 2015: 7,334 people reported to have side effects when taking Cephalexin. Among them, 67 people (0.91%) have Tendonitis.

Trend of Tendonitis in Cephalexin reports

Time on Cephalexin when people have Tendonitis * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ years

Gender of people who have Tendonitis when taking Cephalexin * :


Age of people who have Tendonitis when taking Cephalexin * :


Severity of Tendonitis when taking Cephalexin ** :


How people recovered from Tendonitis ** :


Top conditions involved for these people * :

  1. Pain (22 people, 32.84%)
  2. Multiple myeloma (17 people, 25.37%)
  3. Restless legs syndrome (15 people, 22.39%)
  4. Upper respiratory tract infection (10 people, 14.93%)
  5. Muscle spasms (10 people, 14.93%)

Top co-used drugs for these people * :

  1. Lexapro (33 people, 49.25%)
  2. Ambien (32 people, 47.76%)
  3. Lorazepam (29 people, 43.28%)
  4. Zometa (29 people, 43.28%)
  5. Cymbalta (28 people, 41.79%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

Comments for this study:

Mr. Matheson (3 years ago):

Hello, i'm a 55 year old male,physically active, 12 months ago i was put on cephalexin for a minor cut which had developed a staph infection, i took the antibiotic for about one week,...the infection cleared up everything was fine.About one month ago i started to develop pain in my lower right leg, according to doctors i was told that it is anterior tibular tendonitis, ive started noticing joint stiffness and aching in my right wondering if this could be a delayed result of the cephalexin that i had taken a year ago? the past i have expereinced pulled strained muscles etc,.. and it would usually clear up in a week or two,.. but this current case of tendonitis seems to be taking much longer,.. i wondered if anyone has had this experience and if so how did they deal with it..any help would greatly be appreciated... thank you...Mr. Matheson
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Get connected: join our support group of cephalexin and tendonitis on

Do you have Tendonitis while taking Cephalexin?




You are not alone! Join a support group on :
- support group for people who take Cephalexin and have Tendonitis
- support group for people who take Cephalexin
- support group for people who have Tendonitis

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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