Compare Side Effects

% of total side effects reported by users. DISCLAIMER: ALL DATA PROVIDED AS-IS. Data Source: openfda.gov.
Side Effect Amoxicillin Cephalexin
PAIN 2.7% 3.6%
DIARRHOEA 3.1% 2.1%
NAUSEA 2.7% 2.7%
DYSPNOEA 2.7% 2.3%
ANXIETY 1.9% 2.7%
DRUG HYPERSENSITIVITY 2.7% 1.2%
RASH 2.5% 1.6%
VOMITING 2.4% 1.9%
FATIGUE 2% 2.2%
PYREXIA 2.2% 1.4%
INJURY 1.4% 2.1%
DIZZINESS 2% 2%
PRURITUS 2% 1.1%
DEPRESSION 1.3% 1.9%
HEADACHE 1.8% 1.7%
MALAISE 1.8% 0.9%
ASTHENIA 1.5% 1.6%
ARTHRALGIA 1.2% 1.6%
PAIN IN EXTREMITY 1% 1.6%
DEEP VEIN THROMBOSIS 0.8% 1.6%
CHEST PAIN 1.2% 1.5%
DRUG INEFFECTIVE 1.5% 1.1%
PNEUMONIA 1.5% 1.1%
FALL 1% 1.5%
HYPERTENSION 1% 1.5%
ABDOMINAL PAIN 1.4% 1.3%
BACK PAIN 1.1% 1.4%
URTICARIA 1.4% 0.6%
DRUG INTERACTION 1.4% 0.6%
PULMONARY EMBOLISM 1% 1.3%
OEDEMA PERIPHERAL 1% 1.3%
ANAEMIA 1.1% 1.2%
COUGH 1.2% 1%
EMOTIONAL DISTRESS 0.9% 1.2%
ERYTHEMA 1.2% 0.8%
URINARY TRACT INFECTION 0.8% 1.2%
RENAL FAILURE ACUTE 1.2% 0.7%
HYPERSENSITIVITY 1.2% 0%
ABDOMINAL PAIN UPPER 1.1% 0.9%
MYOCARDIAL INFARCTION 0.6% 1.1%
INSOMNIA 1% 1%
WEIGHT DECREASED 1% 1%
HYPOTENSION 1% 0.9%
CONSTIPATION 0.7% 1%
HYPOAESTHESIA 0.7% 1%
CEREBROVASCULAR ACCIDENT 0.6% 1%
ECONOMIC PROBLEM 0% 1%
CONFUSIONAL STATE 0.9% 0.9%
DEHYDRATION 0.8% 0.9%
SINUSITIS 0.9% 0.7%
CARDIAC FAILURE CONGESTIVE 0.6% 0.9%
PARAESTHESIA 0.8% 0.8%
DECREASED APPETITE 0.8% 0.7%
TREMOR 0.8% 0.7%
BRONCHITIS 0.6% 0.8%
GASTROOESOPHAGEAL REFLUX DISEASE 0.6% 0.8%
CHOLELITHIASIS 0.6% 0.8%
RENAL FAILURE 0.6% 0.8%
OSTEOARTHRITIS 0% 0.8%
CELLULITIS 0% 0.8%
ATRIAL FIBRILLATION 0.7% 0.7%
MUSCLE SPASMS 0.6% 0.7%
SOMNOLENCE 0.7% 0.6%
DEATH 0.7% 0.6%
MYALGIA 0.7% 0.6%
GAIT DISTURBANCE 0.6% 0.7%
SEPSIS 0.7% 0.5%
CONDITION AGGRAVATED 0.7% 0.5%
DIABETES MELLITUS 0% 0.7%
CONTUSION 0% 0.7%
ANHEDONIA 0% 0.7%
CORONARY ARTERY DISEASE 0% 0.7%
FEELING ABNORMAL 0.6% 0.6%
GENERAL PHYSICAL HEALTH DETERIORATION 0.6% 0.6%
PALPITATIONS 0.6% 0.6%
DYSPEPSIA 0.5% 0.6%
CHOLECYSTITIS CHRONIC 0.5% 0.6%
HYPERHIDROSIS 0.6% 0.5%
HAEMOGLOBIN DECREASED 0.5% 0.6%
VISION BLURRED 0.6% 0.5%
DYSPHAGIA 0.5% 0.6%
WEIGHT INCREASED 0.5% 0.6%
NEUROPATHY PERIPHERAL 0.5% 0.6%
INFECTION 0.5% 0.6%
SYNCOPE 0.6% 0.5%
THROMBOCYTOPENIA 0.6% 0%
OFF LABEL USE 0.6% 0%
ALANINE AMINOTRANSFERASE INCREASED 0.6% 0%
ARTHRITIS 0% 0.6%
CHRONIC OBSTRUCTIVE PULMONARY DISEASE 0% 0.6%
ANAPHYLACTIC REACTION 0.6% 0%
DRUG EXPOSURE DURING PREGNANCY 0.6% 0%
OSTEOPOROSIS 0% 0.6%
NEUTROPENIA 0.6% 0%
ANGIOEDEMA 0.6% 0%
SWELLING FACE 0.6% 0%
SWELLING 0% 0.6%
MUSCULAR WEAKNESS 0.5% 0.5%
LOSS OF CONSCIOUSNESS 0.5% 0.5%
CHILLS 0.5% 0.5%
OSTEONECROSIS OF JAW 0.5% 0.5%
MUSCULOSKELETAL PAIN 0% 0.5%
BONE DISORDER 0% 0.5%
ABDOMINAL DISTENSION 0% 0.5%
GALLBLADDER DISORDER 0% 0.5%
EMOTIONAL DISORDER 0% 0.5%
HYPERLIPIDAEMIA 0% 0.5%
TYPE 2 DIABETES MELLITUS 0% 0.5%
CHEST DISCOMFORT 0% 0.5%
UPPER RESPIRATORY TRACT INFECTION 0.5% 0%
OROPHARYNGEAL PAIN 0.5% 0%
RASH GENERALISED 0.5% 0%
TACHYCARDIA 0.5% 0%
JAUNDICE 0.5% 0%
WHEEZING 0.5% 0%
RESPIRATORY FAILURE 0.5% 0%
ASPARTATE AMINOTRANSFERASE INCREASED 0.5% 0%
CONVULSION 0.5% 0%
ABDOMINAL DISCOMFORT 0.5% 0%

New treatments are found every day. View current Amoxicillin research studies and Cephalexin clinical trials


Top 5 Amoxicillin Reported Side Effects

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Top 5 Cephalexin Reported Side Effects

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Patient Forum

Recent Comments and Reports

After 5 doses - experienced extreme blood shot eyes and a tender head to the touch. Symptoms totally gone after a day&1/2. Wow, didn't see that in the small print.

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Agression Insomnia

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I started taking symbacourt last Sunday, mind you i was on amoxicillin for a throat problem, I was okay on the Sunday and the Monday i didn't seem to have one of my coughing fits that i have every morning of my life for the last 5 or 6 years, i get u

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I've been in Prevpac which containsamoxicillin.2000 mg a dayfor 10 days now and still have 4 more days left that i can't wait to finish. I've been trough many side effects. First day got diarreah, second and third day ba

Medrol pack taken for Sudden Hearing Loss along with Amoxicillin experienced red blotchy rash on face. 15 days of 4-24mg Medrol packs taken as directed with 1500 mg Amoxicillian daily. Upon discontinuation of both medications, face rash appeared.

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