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side effects Learn about Klacid Side Effects ? Review Klacid Horrible antibiotic taste in my mouth!! Its like the antibiotics have not View Klacid Adverse Event Reports: patient, 48 years of age, weighting 125.7 lb, was diagnosed with metastatic malignant melanoma and took Klacid Patient was hospitalized.

Learn What Others Think about Klacid Side Effects. Have Your experienced Klacid Side Effects? You are not alone. Many patients report unusual symptoms after using Klacid. This forum raises awareness about Klacid Side Effects.

What Are Your Klacid Side Effects
Bad Mouth Taste (143)
Stomach Pains (65)
Fatigue (55)
Servere Sleepiness (41)
Abdominal Pain (29)
Body Pain Over All Bones (27)
Blurred Vision (24)
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Common Klacid Side Effects

top 5 Klacid|Bad mouth |Stomach pa|Fatigue|Servere sl|Abdominal |Body pain |Blurred vi adverse effects

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Showing 1-25 of 335 

Keratoacanthoma, Pneumonia Primary Atypical, Squamous Cell Carcinoma Of Skin (8358106-0)
on Apr 30, 2012 Female patient from GERMANY , 48 years of age, weighting 125.7 lb, was treated with Klacid (germany)(View Usage). Patient experienced the following unwanted or unexpected effects: keratoacanthoma, pneumonia primary atypical, squamous cell carcinoma of skin. Klacid (germany) dosage: N/A.
Patient was taking other medications: Patient was hospitalized.

Dyspnoea, Headache, Hypertension, Back Pain, White Blood Cell Count Increased (7769883-1)
Patient was taking Klacid I.v. (View Usage). Patient had the following side effects: dyspnoea, headache (headache Questions), hypertension, back pain (back pain Questions), white blood cell count increased on Sep 16, 2011 from ROMANIA Additional patient health information: Male patient , 61 years of age, weighting 176.4 lb, was diagnosed with
  • interstitial lung disease
and. Klacid I.v. dosage: N/A.

Hepatitis Fulminant (7460269-6)
Adverse event was reported on May 04, 2011 by a Female patient taking Klacid (View Usage) (Dosage: N/A) . Location: AUSTRALIA , 48 years of age, After Klacid was administered, patient had the following side effects: hepatitis fulminant.
Patient was taking other medications: Patient was hospitalized.

Weight Gain Poor, Obstruction Gastric, Vomiting (7447581-1)
on Apr 28, 2011 Male patient from JAPAN , weighting 9.26 lb, was diagnosed with and was treated with Klacid For Oral Suspension (View Usage). Patient experienced the following unwanted or unexpected effects: weight gain poor, obstruction gastric, vomiting. Klacid For Oral Suspension dosage: N/A.
Patient was taking other medications: Patient was hospitalized.


Delirium, Hallucination, Personality Change (7377977-8)
on Mar 23, 2011 Male patient from DENMARK , weighting 176.4 lb, was diagnosed with and was treated with Klacid(View Usage). Patient had the following side effects: delirium, hallucination, personality change. Klacid dosage: N/A. Patient was hospitalized.

Delirium, Hallucination, Personality Change (7372423-2)
Patient was taking Klacid (View Usage). After Klacid was administered, patient had the following side effects: delirium, hallucination, personality change on Mar 22, 2011 from DENMARK Additional patient health information: Male patient , weighting 176.4 lb, was diagnosed with and. Klacid dosage: N/A. Patient was hospitalized.

Chromaturia (7369519-8)
Adverse event was reported on Mar 14, 2011 by a Male patient taking Klacid Dry Syrup (View Usage) (Dosage: Daily Dose: 230 Mg) . Location: JAPAN , child 5 years of age, Patient experienced the following unwanted or unexpected effects: chromaturia.
Patient was taking other medications:

Delirium, Hallucination, Personality Change (7365093-0)
on Mar 18, 2011 Male patient from DENMARK , weighting 176.4 lb, was diagnosed with and was treated with Klacid (View Usage). Patient had the following side effects: delirium, hallucination, personality change. Klacid dosage: N/A. Patient was hospitalized.

Dizziness, Grand Mal Convulsion (7350916-1)
on Mar 09, 2011 Female patient from ROMANIA , 60 years of age, weighting 110.2 lb, was diagnosed with and was treated with Klacid Sr 500 Mg Tablets(View Usage). After Klacid was administered, patient had the following side effects: dizziness (dizziness Questions), grand mal convulsion. Klacid Sr 500 Mg Tablets dosage: N/A. Patient was hospitalized.

Bradykinesia, Overdose, Somnolence (7349281-5)
Patient was taking Klacid (View Usage). Patient experienced the following unwanted or unexpected effects: bradykinesia, overdose, somnolence on Feb 28, 2011 from ITALY Additional patient health information: Male patient , 33 years of age, was diagnosed with
  • tonsillitis
  • overdose
and. Klacid dosage: N/A.
Patient was taking other medications: Patient was hospitalized.

Renal Failure Acute, Hepatitis Acute (7347318-0)
Adverse event was reported on Mar 04, 2011 by a Female patient taking Klacid (View Usage) (Dosage: 2 X 500 Mg) was diagnosed with and. Location: GERMANY , 56 years of age, weighting 156.5 lb, Patient had the following side effects: renal failure acute, hepatitis acute.
Patient was taking other medications: Patient was hospitalized.

Serotonin Syndrome, Nausea, Hypertonia, Sleep Disorder, Diarrhoea, Chills, Confusional State (7339393-4)
on Mar 01, 2011 Male patient from SWITZERLAND , 81 years of age, weighting 139.8 lb, was diagnosed with and was treated with Klacid (View Usage). After Klacid was administered, patient had the following side effects: serotonin syndrome, nausea (nausea Questions), hypertonia, sleep disorder (sleep disorder Questions), diarrhoea, chills, confusional state. Klacid dosage: N/A.
Patient was taking other medications:

Neutrophil Count Increased, Off Label Use, Bronchospasm Paradoxical, Lymphocyte Count Decreased, International Normalised Ratio Decreased, Mean Cell Haemoglobin Decreased, White Blood Cell Count Increased, Platelet Count Increased (7329769-3)
on Feb 08, 2011 Female patient from GERMANY , 58 years of age, was treated with Klacid /00984601/(View Usage). Patient experienced the following unwanted or unexpected effects: neutrophil count increased, off label use, bronchospasm paradoxical, lymphocyte count decreased, international normalised ratio decreased, mean cell haemoglobin decreased, white blood cell count increased, platelet count increased. Klacid /00984601/ dosage: N/A.
Patient was taking other medications:

Hypertonia, Vomiting, Confusional State, Nausea, Diarrhoea, Chills (7329537-2)
Patient was taking Klacid (View Usage). Patient had the following side effects: hypertonia, vomiting, confusional state, nausea (nausea Questions), diarrhoea, chills on Mar 01, 2011 from SWITZERLAND Additional patient health information: Male patient , 81 years of age, was diagnosed with
  • lobar pneumonia
and. Klacid dosage: 500 Mg, 2x/day.
Patient was taking other medications:

Grand Mal Convulsion, Dizziness (7321773-4)
Adverse event was reported on Feb 23, 2011 by a Female patient taking Klacid Sr 500 Mg Tablets (View Usage) (Dosage: N/A) was diagnosed with and. Location: ROMANIA , 60 years of age, weighting 110.2 lb, After Klacid was administered, patient had the following side effects: grand mal convulsion, dizziness (dizziness Questions). Patient was hospitalized.

Hepatic Enzyme Increased, Hepatotoxicity (7321006-9)
on Feb 22, 2011 Male patient from SWITZERLAND , 54 years of age, weighting 130.1 lb, was diagnosed with
  • mycoplasma infection
and was treated with Klacid (View Usage). Patient experienced the following unwanted or unexpected effects: hepatic enzyme increased, hepatotoxicity. Klacid dosage: N/A.
Patient was taking other medications:

Hepatic Enzyme Increased, Hepatotoxicity (7320769-6)
on Feb 23, 2011 Male patient from SWITZERLAND , 59 years of age, was diagnosed with
  • pneumonia mycoplasmal
and was treated with Klacid(View Usage). Patient had the following side effects: hepatic enzyme increased, hepatotoxicity. Klacid dosage: N/A.
Patient was taking other medications:

Abortion Induced, Red Blood Cells Urine Positive (7306745-8)
Patient was taking Klacid Sr 500 Mg Tablets (View Usage). After Klacid was administered, patient had the following side effects: abortion induced, red blood cells urine positive on Feb 21, 2011 from ROMANIA Additional patient health information: Female patient , 42 years of age, weighting 220.5 lb, was diagnosed with
  • bronchitis chronic
and. Klacid Sr 500 Mg Tablets dosage: N/A.

Dermatitis Bullous, Application Site Pruritus (7306668-4)
Adverse event was reported on Feb 12, 2011 by a Male patient taking Klacid (View Usage) (Dosage: N/A) was diagnosed with
  • bronchopneumonia
  • influenza
and. Location: BOSNIA AND HERZEGOWINA , weighting 257.9 lb, Patient experienced the following unwanted or unexpected effects: dermatitis bullous, application site pruritus.
Patient was taking other medications: Patient was hospitalized.

Dermatitis Allergic, Oedema, Pruritus (7244400-3)
on Jan 24, 2011 Female patient from CZECH REPUBLIC , weighting 37.48 lb, was diagnosed with and was treated with Klacid Suspension (View Usage). Patient had the following side effects: dermatitis allergic, oedema, pruritus. Klacid Suspension dosage: N/A.
Patient was taking other medications:

Dermatitis Allergic, Oedema, Pruritus (7223017-0)
on Jan 06, 2011 Female patient from CZECH REPUBLIC , weighting 37.48 lb, was diagnosed with and was treated with Klacid Suspension(View Usage). After Klacid was administered, patient had the following side effects: dermatitis allergic, oedema, pruritus. Klacid Suspension dosage: N/A.
Patient was taking other medications:

Incorrect Dose Administered (7220532-0)
Patient was taking Klacid Suspension (View Usage). Patient experienced the following unwanted or unexpected effects: incorrect dose administered on Jan 08, 2011 from SAUDI ARABIA Additional patient health information: Male patient , child 6. years of age, was diagnosed with
  • otitis media
and. Klacid Suspension dosage: N/A. Patient was hospitalized.

Asthenia, Dermatitis Allergic, Nausea (7213922-3)
Adverse event was reported on Jan 06, 2011 by a Female patient taking Klacid Sr Modified Released Tablets (View Usage) (Dosage: Once Per Day) was diagnosed with and. Location: LITHUANIA , 19 years of age, Patient had the following side effects: asthenia, dermatitis allergic, nausea (nausea Questions).

Hepatic Enzyme Increased (7207080-9)
on Dec 23, 2010 Male patient from SWITZERLAND , 63 years of age, was diagnosed with
  • chronic sinusitis
and was treated with Klacid (View Usage). After Klacid was administered, patient had the following side effects: hepatic enzyme increased. Klacid dosage: N/A.
Patient was taking other medications:

Cholestasis, Hepatic Enzyme Increased (7204513-9)
on Dec 23, 2010 Male patient from SWAZILAND , 64 years of age, was diagnosed with
  • chronic sinusitis
and was treated with Klacid(View Usage). Patient experienced the following unwanted or unexpected effects: cholestasis, hepatic enzyme increased. Klacid dosage: N/A.
Patient was taking other medications:

Showing 1-25 of 335 


Klacid Forum

Horrible antibiotic taste in my mouth!! Its like the antibiotics have not ...Keep Reading

very bitter taste saliva. last night i thought had regurgitated the ...Keep Reading

I have severe stomach aches and nausea and have been vomiting since taking Klacid...Keep Reading

I have severe stomach aches and nausea and have been vomiting since taking Klacid...Keep Reading

side effects of Klacid with me: horrible taste in mouth. increased heart rate ...Keep Reading

i feel my face is swollen and both glands swollen in both sides of ...Keep Reading

at first i experienced diarrhea after that sore throat and dry mouth awful ...Keep Reading

i am on klacid for 7 days now... symptoms are white ...Keep Reading

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Have taken Klacid for 3 days now twice a day 250mg and have had ...Keep Reading

IVE been on klacid now for three days and have extreme tiredness and an ...Keep Reading

1st day I took Klacid for my lung infection woke up during the night ...Keep Reading

taking klacid 500mg twice daily for tonsilitis im really panicky and agitated and ...Keep Reading

me too but i've been on it for a week now...but ...Keep Reading

i took 1 klacid XL after being diagnosed with severe ear infection, ...Keep Reading

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Klacid Adverse Effect Reports (FDA)

Enter Unusual Symptoms or Side Effects:

Klacid Information

More About Klacid

Side Effects reported to FDA: 335. View FDA Adverse Reports

Klacid safety alerts: No

Reported deaths: 23

Reported hospitalizations: 87

1Bad Mouth Taste
2Stomach Pains
3Servere Sleepiness
4Blurred Vision
5Fatigue
6Abdominal Pain
7Body Pain Over All Bones
8Blurred Vision, Servere Sleepiness, Stomach Pains
9Discoloured Tongue
10Stomach Pain
View More

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Overwhelming and continuous metallic taste and dry

coughing with green sputum

Severe abdominal cramps, foul taste in mouth

Sore wrists, sore ankles sore neck. Itchy hands, feet and ankles. Swelling

dizziness, fainting, stomach and abdominal pains, breathing

View Klacid Use Reports

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Reply to Klacid Questions, Answers, Feedback and Comments

Comments to date: 18. Page 1 of 4.

Michele   Singapore

7:05pm on Thursday, December 22nd, 2011

Am on Klacid, two tablets daily. Experiencing increase in heart rate, Chest pains, Bitter taste in t... read more »

connie suhr   gold coast 

8:34am on Wednesday, July 13th, 2011

bad taste all day, stomach bloated ,indigestion

CHEN   KL

11:58pm on Thursday, October 21st, 2010

BITTER TASTE AND DRY IN MOUTH DAY AND NIGHT. SLEEPLESS.

Ten CY   Kuala Lumpur

9:36am on Thursday, October 14th, 2010

3 day after taking , eye becoming reddish, could this be side effect that could lead to Steven Johns... read more »

S   NSW 

7:51pm on Tuesday, October 12th, 2010

I really feel bad pain in my chest and Stomach after taking Klacid and gonna stop taking it from tod... read more »


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Klacid Adverse Reactions
Dyspnoea ( 28 Reports)
Suicide Attempt ( 20 Reports)
Confusional State ( 16 Reports)
Nausea ( 16 Reports) Nausea Questions
Pyrexia ( 14 Reports)
Asthenia ( 12 Reports)
Fatigue ( 12 Reports)
Insomnia ( 11 Reports)
Vomiting ( 11 Reports)
Agitation ( 10 Reports)
Cholestasis ( 10 Reports)
Diarrhoea ( 10 Reports)
Myalgia ( 10 Reports)
Pain In Extremity ( 10 Reports)
Rash ( 10 Reports) Rash Questions
Urticaria ( 10 Reports)
Vasculitis ( 10 Reports) Vasculitis Questions
Headache ( 9 Reports) Headache Questions
Injection Site Erythema ( 9 Reports)
Jaundice ( 9 Reports) Jaundice Questions
Pruritus ( 9 Reports)
Tachycardia ( 9 Reports)
Abdominal Pain ( 8 Reports) Abdominal pain Questions
Dermatitis Allergic ( 8 Reports)
Erythema ( 8 Reports)
Hepatic Enzyme Increased ( 8 Reports)
Abdominal Pain Upper ( 7 Reports)
Electrocardiogram Qt Prolonged ( 7 Reports)
Hallucination ( 7 Reports)
Hepatomegaly ( 7 Reports)

side effects
Klacid Side Effects Notice - The material on this site is for informational purposes only, and is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider. PatientsVille.com does not provide medical advice, diagnosis or treatment. The information regarding Klacid adverse reports, reviews and polls contained on PatientsVille.com site has not been scientifically or otherwise verified as to a cause and effect relationship and cannot be used to estimate the incidence of adverse drug reactions or for establishing or changing of patient treatments. Thank you for visiting Patientsville.com!