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Review: Claritin side effects

In this review, we analyze Claritin side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Claritin. The review is based on 22,744 people who have side effects while taking Claritin from FDA and social media, and is updated regularly.

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What is Claritin

Claritin (latest outcomes from 24,202 users) has active ingredients of loratadine. It is often used in allergies.

Other drugs that have the same active ingredients (loratadine): Claritin Hives Relief, Claritin Reditabs, Claritin Hives Relief Reditab, Alavert, Loratadine, Children's Claritin, Loratadine Redidose.

On Feb, 28, 2015: 22,744 people who reported to have side effects when taking Claritin are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
DizzinessHepatic Function AbnormalWeight IncreasedLeukocytoclastic Vasculitis (inflammation of small blood vessels (usually post-capillary venules in the dermis), characterized by palpable purpura)Dyspepsia (indigestion)Fatigue (feeling of tiredness)DepressionPain
Dyspnoea (difficult or laboured respiration)Drug IneffectiveEmotional DistressTubulointerstitial Nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)Mitral Valve Incompetence (inefficient heart valve)Rotator Cuff Syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)Emotional DistressNausea (feeling of having an urge to vomit)
Loss Of ConsciousnessAlanine Aminotransferase IncreasedCognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving)Chest PainAcute Myocardial Infarction (acute heart attack)Osteoporosis (bones weak and more likely to break)Sleep DisorderDyspnoea (difficult or laboured respiration)
Palpitations (feelings or sensations that your heart is pounding or racing)Aspartate Aminotransferase IncreasedHypersexualityDiarrhoeaDepressionCardiac DisorderGastrointestinal Disorder (functional problems of gastrointestinal tract)Anxiety
Nausea (feeling of having an urge to vomit)Liver Disorder (liver diseases)Liver Disorder (liver diseases)Muscle Spasms (muscle contraction)Weight IncreasedDrug Exposure During PregnancyDry SkinFatigue (feeling of tiredness)
Malaise (a feeling of general discomfort or uneasiness)Malaise (a feeling of general discomfort or uneasiness)Hyperphagia (an abnormal appetite for food)VomitingTricuspid Valve Incompetence (inefficient heart valve)Aortic Stenosis (obstruction to the outflow of blood from the left ventricle into the aorta)ScarHeadache (pain in head)
Condition AggravatedDecreased Appetite (decreased appetite occurs when you have a reduced desire to eat)Impulse-control DisorderDepressionTachyarrhythmia (disturbance of the heart rhythm in which the heart rate is abnormally increased)Persistent Foetal Circulation (baby's blood does not need to pass by the lungs)Visual Acuity Reduced (reduced clearness of vision)Depression
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)DiarrhoeaPsychotic DisorderDyspnoea (difficult or laboured respiration)Arteriospasm Coronary (spasm of the large- or medium-sized coronary arteries)Coarctation Of The Aorta (narrowing of the part of aorta)Arthralgia (joint pain)Dizziness
VomitingHeadache (pain in head)Pathological GamblingAsthmaAnxietyVertigoColitis Ulcerative (inflammation of colon with ulcer)Anaemia (lack of blood)
Pruritus (severe itching of the skin)Neutrophil Count Decreased (less than normal number of neutrophil a type of blood cell)Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings)Abdominal PainNausea (feeling of having an urge to vomit)Tachycardia (a heart rate that exceeds the range of 100 beats/min)Attention Deficit/hyperactivity DisorderVomiting

Most common side effects by gender * :

Nausea (feeling of having an urge to vomit)Fatigue (feeling of tiredness)
Dyspnoea (difficult or laboured respiration)Dyspnoea (difficult or laboured respiration)
Chest PainDepression
Fatigue (feeling of tiredness)Nausea (feeling of having an urge to vomit)
Headache (pain in head)Chest Pain
DizzinessDrug Ineffective
DepressionHeadache (pain in head)
Drug IneffectiveAsthenia (weakness)

Most common side effects by age * :

Hypospadias (an abnormal condition in males in which the urethra opens on the under surface of the penis)CryingHeadache (pain in head)Nausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)
Maternal Drugs Affecting Foetus (chemical affecting the baby before birth taken by mother)Pyrexia (fever)DepressionPainFatigue (feeling of tiredness)Chest PainFatigue (feeling of tiredness)Dyspnoea (difficult or laboured respiration)
Premature BabyVomitingDyspnoea (difficult or laboured respiration)Pulmonary Embolism (blockage of the main artery of the lung)AnxietyDepressionChest PainDizziness
Foetal Growth Retardation (a baby in the womb fails to grow at the expected rate during the pregnancy)AggressionAnxietyChest PainDepressionAnxietyDepressionFatigue (feeling of tiredness)
Apgar Score LowDrug IneffectiveFatigue (feeling of tiredness)Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)PainHeadache (pain in head)PainAsthenia (weakness)
Pregnancy NosCoughChest PainCholecystitis Chronic (long lasting infection of gallbladder)Chest PainFatigue (feeling of tiredness)AnxietyChest Pain
Jaundice Neonatal (yellowing of skin in neonate)Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)Nausea (feeling of having an urge to vomit)AnxietyPulmonary Embolism (blockage of the main artery of the lung)PainDyspnoea (difficult or laboured respiration)Fall
Neonatal Apnoeic Attack (episodes where breathing stops temporarily in neonate)Somnolence (a state of near-sleep, a strong desire for sleep)Inflammatory Bowel DiseaseDyspnoea (difficult or laboured respiration)Dyspnoea (difficult or laboured respiration)Drug IneffectiveArthralgia (joint pain)Cough
Pyrexia (fever)Psychomotor Hyperactivity (feelings of extreme restlessness)Drug IneffectiveFatigue (feeling of tiredness)Headache (pain in head)Back PainHeadache (pain in head)Pain
Agitation Neonatal (people with depression, obsessive-compulsive disorder, post viral fatigue syndrome, schizophrenia, bipolar i disorder)Insomnia (sleeplessness)Crohn's Disease (condition that causes inflammation of the gastrointestinal tract)DepressionArthralgia (joint pain)Arthralgia (joint pain)Hypertension (high blood pressure)Myocardial Infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)

* Some reports may have incomplete information.

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Are you taking Claritin?

On eHealthMe, Claritin (loratadine) is often used for allergies. Find out below the conditions Claritin is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Claritin used for and how effective is it:

Other drugs that are used to treat the same conditions:

Studies of common Claritin drug interactions:

Browse Claritin drug interactions with drugs from A to Z:

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.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

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.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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