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Review: Loratadine side effects

In this review, we analyze Loratadine side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Loratadine. The review is based on 9,745 people who have side effects while taking Loratadine from FDA and social media, and is updated regularly.

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What is Loratadine

Loratadine (latest outcomes from 10,975 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, Claritin Reditabs, Claritin Hives Relief Reditab, Alavert, Children's Claritin, Loratadine Redidose.

On Nov, 26, 2014: 9,745 people who reported to have side effects when taking Loratadine are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Headache (pain in head)PainSudden Cardiac DeathCoughHeadache (pain in head)DepressionFatigue (feeling of tiredness)Dyspnoea (difficult or laboured respiration)
DizzinessDysuria (painful or difficult urination)DeathDyspnoea (difficult or laboured respiration)AnxietyTransposition Of The Great VesselsDizzinessPain
Dyspnoea (difficult or laboured respiration)Nocturia (the need to get up in the night to urinate)DepressionAbdominal Pain UpperEmotional DistressAggressionVision - Night BlindnessNausea (feeling of having an urge to vomit)
Urticaria (rash of round, red welts on the skin that itch intensely)Renal Pain (kidney pain)Mastocytosis (an excessive number of apparently normal mast cells in the skin and, occasionally, in other organs)Cerebrovascular Accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)InjuryLung Disorder (lung disease)Impaired Work AbilityVomiting
Loss Of ConsciousnessAbdominal RigidityPainPancreatitis Nos (inflammation of pancreas)PainCongenital Aortic Atresia (congenital absence of the aortic orifice)Kidney StonesAnxiety
Nausea (feeling of having an urge to vomit)DeathVenous Thrombosis Limb (blood clot that forms in a vein in the limb)Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)Nausea (feeling of having an urge to vomit)Drug Exposure During PregnancyConstipationFatigue (feeling of tiredness)
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)Dyspnoea (difficult or laboured respiration)Subdural Haematoma (blood collects between the skull and the surface of the brain)Bronchitis (inflammation of the mucous membrane in the bronchial tubes)Anhedonia (inability to experience pleasure from activities usually found enjoyable)Aspartate Aminotransferase IncreasedEpistaxis (bleed from the nose)Dizziness
Somnolence (a state of near-sleep, a strong desire for sleep)Lethargy (tiredness)Dysphagia (condition in which swallowing is difficult or painful)Coronary Artery Disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)Exhaustion, Fatigue, Lethargy, Tiredness, Weariness (feeling of tiredness)Hypoplastic Left Heart Syndrome (combination of several abnormalities of the heart and great blood vessels)Skin Blushing/flushing (a sudden reddening of the face, neck)Diarrhoea
VomitingFatigue (feeling of tiredness)AnxietyPleuritic PainDeep Vein Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)Suicidal IdeationTinnitus (a ringing in the ears)Headache (pain in head)
Pyrexia (fever)Autoimmune HepatitisAbdominal Pain UpperPalpitations (feelings or sensations that your heart is pounding or racing)Pulmonary Embolism (blockage of the main artery of the lung)Nightmare (unpleasant dream)Pharyngitis (inflammation of the pharynx, causing a sore throat)Pneumonia

Most common side effects by gender * :

Nausea (feeling of having an urge to vomit)Dyspnoea (difficult or laboured respiration)
Dyspnoea (difficult or laboured respiration)Nausea (feeling of having an urge to vomit)
PainDrug Ineffective
AnxietyFatigue (feeling of tiredness)
Headache (pain in head)Pain
Fatigue (feeling of tiredness)Pyrexia (fever)
Drug IneffectiveChest Pain

Most common side effects by age * :

Hypospadias (an abnormal condition in males in which the urethra opens on the under surface of the penis)Pyrexia (fever)Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)PainNausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)Dyspnoea (difficult or laboured respiration)Dyspnoea (difficult or laboured respiration)
Premature BabyVomitingHeadache (pain in head)AnxietyAnxietyHeadache (pain in head)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)Somnolence (a state of near-sleep, a strong desire for sleep)DizzinessNausea (feeling of having an urge to vomit)Pulmonary Embolism (blockage of the main artery of the lung)Drug IneffectiveFatigue (feeling of tiredness)Dizziness
Foetal Growth Retardation (a baby in the womb fails to grow at the expected rate during the pregnancy)PneumoniaPainVomitingFatigue (feeling of tiredness)VomitingPainFall
Jaundice Neonatal (yellowing of skin in neonate)CoughEpilepsy (common and diverse set of chronic neurological disorders characterized by seizures)Cholecystitis Chronic (long lasting infection of gallbladder)PainChest PainDizzinessAsthenia (weakness)
Drug Exposure During PregnancyDiarrhoeaNausea (feeling of having an urge to vomit)InjuryDyspnoea (difficult or laboured respiration)DizzinessAnxietyDrug Ineffective
Neonatal Apnoeic Attack (episodes where breathing stops temporarily in neonate)Grand Mal Convulsion (a type of generalized seizure that affects the entire brain)Cholecystitis Chronic (long lasting infection of gallbladder)Headache (pain in head)Headache (pain in head)Fatigue (feeling of tiredness)Pyrexia (fever)Pain
Abdominal Pain UpperDyspnoea (difficult or laboured respiration)VomitingCholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)Pyrexia (fever)Pyrexia (fever)VomitingPneumonia
Pulmonary Artery Atresia (lungs artery absent)AggressionAnxietyPulmonary Embolism (blockage of the main artery of the lung)DizzinessDyspnoea (difficult or laboured respiration)DepressionDiarrhoea
Oxygen Saturation DecreasedAsthmaAbdominal PainChest PainDeep Vein Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)Hypertension (high blood pressure)Chest PainFatigue (feeling of tiredness)

* Some reports may have incomplete information.

Browse Loratadine side effects from A to Z:

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Are you taking Loratadine?

Comments from related studies:

  • From this study (1 week ago):

  • Not sure what to use & not use. Conflicting resources.congestion seems to all come from running nose.


  • From this study (3 weeks ago):

  • I just had surgery on my left calf 11/03/14 and the infection disease center called today and said I had NOCARDIA growth.


  • From this study (1 month ago):

  • also take Phentermine 37.5 mg


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More reviews for: Loratadine

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

What is Loratadine used for and how effective is it:

Other drugs that are used to treat the same conditions:

Studies of common Loratadine drug interactions:

Browse Loratadine 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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