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Cephalexin Myalgia Side Effects

Cephalexin Myalgia Side Effect Reports


The following Cephalexin Myalgia side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Myalgia, can occur, and what you can do about them.

A side effect could appear soon after you start Cephalexin or it might take time to develop.



Headache, Skin Lesion, Feeling Hot, Diarrhoea, Myalgia, Chills, Skin Discolouration

This Myalgia side effect was reported by a consumer or non-health professional from UNITED STATES. A 78-year-old female patient (weight:NA) experienced the following symptoms/conditions: localised infection. The patient was prescribed Cephalexin (dosage: 500mg 4 Per Day Capsule), which was started on Apr 06, 2012. Concurrently used drugs: NA. When starting to take Cephalexin the consumer reported the following symptoms:
  • Headache
  • Skin Lesion
  • Feeling Hot
  • Diarrhoea
  • Myalgia
  • Chills
  • Skin Discolouration
These side effects may potentially be related to Cephalexin.
Vein Disorder, Myalgia, Emotional Distress, Pain, Muscle Spasms, Anxiety, Deep Vein Thrombosis, Oedema Peripheral, Nausea

This Myalgia Cephalexin side effect was reported by a health professional from UNITED STATES on Apr 19, 2012. A Female , 27 years of age, weighting 169.0 lb, was treated with Cephalexin. The patient presented the following health conditions:
  • Vein Disorder
  • Myalgia
  • Emotional Distress
  • Pain
  • Muscle Spasms
  • Anxiety
  • Deep Vein Thrombosis
  • Oedema Peripheral
  • Nausea
. Cephalexin dosage: 500 Mg, Unk. Additional drugs used at the same time:
  • Drospirenone And Ethinyl Estradiol (Unk)
  • Bentyl (10 Mg, Unk)
  • Ventolin (900 Unk, Unk)
  • Yasmin (Unk)
  • Xanax (0.25 Mg, Tid)
  • Calcium
  • Tylenol (caplet) (Unk Unk, Prn)
  • Yasmin (Unk)
The patient was hospitalized.
Myalgia, Arthralgia, Blood Creatinine Increased, Cellulitis, Chondrocalcinosis Pyrophosphate, Histoplasmosis Cutaneous, Asthenia, Histoplasmosis Disseminated, Pain In Extremity

This is a Cephalexin side effect report of a 81-year-old patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Cephalexin (dosage:NA, start time: Jan 01, 1982), combined with:
  • Prednisone Tab
  • Azathioprine (100.00-mg-1.0days)
  • Steroid
  • Ceftriaxone
  • Vancomycin Hychloride
, and developed a serious reaction and a Myalgia side effect. The patient presented with:
  • Myalgia
  • Arthralgia
  • Blood Creatinine Increased
  • Cellulitis
  • Chondrocalcinosis Pyrophosphate
  • Histoplasmosis Cutaneous
  • Asthenia
  • Histoplasmosis Disseminated
  • Pain In Extremity
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Cephalexin treatment in patients suffering from NA, resulting in Myalgia.

Colitis Ulcerative, Inflammatory Bowel Disease, Weight Decreased, Crohn's Disease, Spinal Column Injury, Gastritis, Myalgia, Headache

A female patient (weight: NA) from UNITED STATES with the following symptoms: NA started Cephalexin treatment (dosage: Dosage Regimen Reported As One Q Day.) on Apr 20, 1999. Soon after starting Cephalexin treatment, the consumer experienced several side effects, including:
  • Colitis Ulcerative
  • Inflammatory Bowel Disease
  • Weight Decreased
  • Crohn's Disease
  • Spinal Column Injury
  • Gastritis
  • Myalgia
  • Headache
. Concurrently used drugs:
  • Accutane
  • Genora (Strength And Formulation Reported As 1/50 Tablets.)
  • Accutane
  • Accutane
  • Birth Control Pills
The patient was hospitalized and became disabled. This finding indicates that some patients can be more vulnerable to developing Cephalexin side effects, such as Myalgia.
Chills, Dyspnoea, Headache, Myalgia, Nausea, Product Substitution Issue, Pruritus, Sinus Disorder

A female patient from UNITED STATES was prescribed and started Cephalexin on Feb 16, 2010. Patient felt the following Cephalexin side effects: chills, dyspnoea, headache, myalgia, nausea, product substitution issue, pruritus, sinus disorder Additional patient health information: Female , 72 years of age, weighting 250.0 lb, The consumer reported the following symptoms: was diagnosed with and. Cephalexin dosage: 250 Mg 4 Times/day Mouth. Concurrently used drugs: NA.
Abdominal Pain, Chromaturia, Liver Injury, Myalgia

This report suggests a potential Cephalexin Myalgia side effect(s) that can have serious consequences. A 21-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): mammoplasty and used Cephalexin (dosage: 500 Mg; Qid) starting NS. Soon after starting Cephalexin the patient began experiencing various side effects, including:
  • Abdominal Pain
  • Chromaturia
  • Liver Injury
  • Myalgia
Drugs used concurrently:NA. Although Cephalexin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Myalgia, may still occur.
Liver Injury, Myalgia

An adverse event was reported by a physician on Dec 03, 2009 by a Female taking Cephalexin (dosage: 500mg, Qid) . Location: UNITED STATES , 21 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Cephalexin side effects: liver injury, myalgia. Additional medications/treatments: The patient was hospitalized.
Muscle Spasms, Myalgia, Screaming, Walking Aid User

This Myalgia problem was reported by a health professional from UNITED STATES. A female patient (weight: NA) was diagnosed with the following medical condition(s): localised infection.On Oct 01, 2009 a consumer started treatment with Cephalexin (dosage: 500mg's 3x's A Day ?). The following drugs/medications were being taken at the same time: NA. When commencing Cephalexin, the patient experienced the following unwanted symptoms /side effects:
  • Muscle Spasms
  • Myalgia
  • Screaming
  • Walking Aid User
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Myalgia, may become evident only after a product is in use by the general population.
Bone Pain, Myalgia, Pain Of Skin

This is a Cephalexin Monohydrate side effect report of a 7-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: urinary tract infection and was treated with Cephalexin Monohydrate (dosage: 250/5ml 10ml Orally Twice Daily 10 Days) starting Apr 10, 2009. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Bone Pain
  • Myalgia
  • Pain Of Skin
The patient was hospitalized. This opens a possibility that Cephalexin Monohydrate could cause Myalgia and that some female patients may be more susceptible.
Abdominal Discomfort, Anorexia, Anxiety, Arthralgia, Headache, Mood Altered, Myalgia, Nausea, Panic Attack

This Myalgia side effect was reported by a consumer or non-health professional from UNITED STATES on Sep 23, 2008. A female patient from UNITED STATES , 28 years of age, weighting 110.0 lb, was diagnosed with and was treated with Cephalexin. Directly after treatment started, patient experienced the unwanted or unexpected Cephalexin side effects: abdominal discomfort, anorexia, anxiety, arthralgia, headache, mood altered, myalgia, nausea, panic attack. Cephalexin dosage: 500mg -1 Capsule-x14 Twice Daily Po. These side effects may potentially be related to Cephalexin.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Cephalexin Myalgia Causes and Reviews


We are sorry, but no medical information on this topic currently exists in our database. Our articles are updated often, please revisit soon.


Cephalexin Myalgia Reviews

Thu, 21 Jun 2012

I also face critical situation low blood pressure,Headache and diarrhea. So i decided to quit and decide not to use like that medicine again.

Mon, 07 Nov 2011

One more pill to go before I finish my dose of Cephalexin for Cellulitis. First of all, the symptom worsened within the first 24 hours - both the doctors failed to tell me that. It did eventually work and about 48 hours later, the swelling and redness from Cellulitis started to decrease. The side effects were not severe, but, at worst, I experienced nausea, stomach ache, diarrhea, and depression (followed by the most whacked out dreams). This is not quite the drug from hell but I am very much ready to finish my dose.

Fri, 16 Mar 2012

After taking Cephalexin I experienced nausea, vomiting and headaches which 800mg of ibuprofen couldn't control.  The sweating (head to toe) was profuse and disconcerting.

Sat, 31 Mar 2012

After a double treatment of Cephalexin 500mg 4 times a day, I am still experiencing intestinal discomfort and loose stools. I also get a lot of gas, bloating and it makes it hard to go anywhere because of the sudden diahrrea that goes with it. I will NEVER take this drug again!

Sat, 18 Jun 2011

I am currently on Cephalexin for a kidney infection. I have so far suffered from joint pain, headaches, unusual vaginal pain and itching, dizziness and discovered a sore throat this morning. I plan to finish my dose but it seems like I'm suffering worse now than with my kidney infection.

Fri, 27 Jul 2012


We assess the severity of the wisdom tooth impaction by using a digital OPG and we provide you with an unbiased opinion on whether the wisdom tooth should be removed or not. Some cases can be removed routinely on the dental chair or can be arranged to be removed under general anaesthesia in a day surgery clinic.

Thu, 22 Mar 2012

terrible tablets axiety depression crying stomach pain aggresive feel so low and down benn on these pills on and off for a UTI had investigated nothing wrong i now see a councillor bcos they make me feel in losing it

Sun, 20 Nov 2011

Was prescribed 14 pills - one pill twice a day for an animal bite. By day 3 the bite was healing nicely but I was already feeling crappy (a little dizzy, tired, generally not so good) so I stopped taking the meds altogeher. Now - four full days later I have been having bloody mucas in my stool all day today. It's freaking me out.

Mon, 14 Sep 2009
does Cephalexin cause weight gain?
Sun, 04 Oct 2009
How long after being started on Cephalexin can urticaria occur?
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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