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Loratadine Side Effects

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Common Loratadine Side Effects


The most commonly reported Loratadine side effects (click to view or check a box to report):

Dizziness (40)
Convulsion (37)
Accidental Overdose (36)
Dyspnoea (34)
Somnolence (31)
Headache (28)
Vomiting (23)
Hypersensitivity (23)
Malaise (22)
Nausea (22)
Urticaria (21)
Pain (21)
Pruritus (20)
Loss Of Consciousness (20)
Death (19)
Insomnia (19)
Syncope (19)
Palpitations (19)
Swelling Face (17)
Anxiety (17)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Loratadine Side Effects Reported to FDA



Loratadine Side Effect Report#9617117
Constipation
This is a report of a 10-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA, start time:
Jul 03, 2013), combined with: NA. and developed a serious reaction and side effect(s): Constipation after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml treatment in male patients, resulting in Constipation side effect.
Loratadine Side Effect Report#9617115
Epistaxis
This report suggests a potential Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml Epistaxis side effect(s) that can have serious consequences. A 5-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA) starting 201306. After starting Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the patient began experiencing various side effects, including: EpistaxisAdditional drugs used concurrently: NA. Although Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Epistaxis, may still occur.
Loratadine Side Effect Report#9617114
Disturbance In Attention, Hypersomnia, Abnormal Behaviour, Overdose
This Disturbance In Attention problem was reported by a consumer or non-health professional from US. A male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Jun 04, 2013 this consumer started treatment with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA). The following drugs were being taken at the same time: NA. When using Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml, the patient experienced the following unwanted symptoms/side effects: Disturbance In Attention, Hypersomnia, Abnormal Behaviour, OverdoseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Disturbance In Attention, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9617112
Eyelid Oedema, Swelling Face
This Eyelid Oedema side effect was reported by a consumer or non-health professional from US. A 4-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (drug dosage: NA), which was initiated on
May 29, 2013. Concurrently used drugs: NA..After starting to take Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the consumer reported adverse symptoms, such as: Eyelid Oedema, Swelling FaceThese side effects may potentially be related to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml.
Loratadine Side Effect Report#9617105
Nasal Discomfort, Pain
This is a report of a 34-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA, start time:
May 21, 2013), combined with: NA. and developed a serious reaction and side effect(s): Nasal Discomfort, Pain after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml treatment in female patients, resulting in Nasal Discomfort side effect.
Loratadine Side Effect Report#9617102
Ocular Hyperaemia, Off Label Use
This report suggests a potential Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml Ocular Hyperaemia side effect(s) that can have serious consequences. A 4-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA) starting
Apr 26, 2013. After starting Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the patient began experiencing various side effects, including: Ocular Hyperaemia, Off Label UseAdditional drugs used concurrently: NA. Although Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Ocular Hyperaemia, may still occur.
Loratadine Side Effect Report#9617101
Nasal Discomfort, Epistaxis
This Nasal Discomfort problem was reported by a pharmacist from US. A 35-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Apr 28, 2013 this consumer started treatment with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA). The following drugs were being taken at the same time: NA. When using Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml, the patient experienced the following unwanted symptoms/side effects: Nasal Discomfort, EpistaxisAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Nasal Discomfort, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9617097
Eye Movement Disorder, Screaming, Hypersensitivity
This Eye Movement Disorder side effect was reported by a consumer or non-health professional from US. A 1-year-old female patient (weight:NA) experienced the following symptoms/conditions: sneezing.The patient was prescribed Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (drug dosage: NA), which was initiated on 201208. Concurrently used drugs: NA..After starting to take Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the consumer reported adverse symptoms, such as: Eye Movement Disorder, Screaming, HypersensitivityThese side effects may potentially be related to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml.
Loratadine Side Effect Report#9617094
Cough, Insomnia, Product Substitution Issue
This is a report of a 3-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Cough, Insomnia, Product Substitution Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml treatment in male patients, resulting in Cough side effect.
Loratadine Side Effect Report#9617093
Ocular Hyperaemia, Eye Irritation, Eye Pruritus
This report suggests a potential Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml Ocular Hyperaemia side effect(s) that can have serious consequences. A 7-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA) starting
Dec 18, 2012. After starting Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the patient began experiencing various side effects, including: Ocular Hyperaemia, Eye Irritation, Eye PruritusAdditional drugs used concurrently:
  • Albuterol-proair
Although Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Ocular Hyperaemia, may still occur.
Loratadine Side Effect Report#9617092
Accidental Overdose
This Accidental Overdose problem was reported by a consumer or non-health professional from US. A 3.-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: rhinorrhoea,sneezing. On NS this consumer started treatment with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA). The following drugs were being taken at the same time: NA. When using Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml, the patient experienced the following unwanted symptoms/side effects: Accidental OverdoseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Accidental Overdose, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9617089
Vomiting
This Vomiting side effect was reported by a consumer or non-health professional from US. A 4-year-old female patient (weight:NA) experienced the following symptoms/conditions: rhinorrhoea,eye pruritus.The patient was prescribed Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (drug dosage: NA), which was initiated on
Sep 22, 2012. Concurrently used drugs: NA..After starting to take Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the consumer reported adverse symptoms, such as: VomitingThese side effects may potentially be related to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml.
Loratadine Side Effect Report#9617087
Vomiting
This is a report of a 5-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: rhinorrhoea,eye pruritus, who was treated with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA, start time:
Sep 22, 2012), combined with: NA. and developed a serious reaction and side effect(s): Vomiting after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml treatment in male patients, resulting in Vomiting side effect.
Loratadine Side Effect Report#9617085
Accidental Exposure To Product, Eye Pain
This report suggests a potential Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml Accidental Exposure To Product side effect(s) that can have serious consequences. A 3-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA) starting
Sep 20, 2012. After starting Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the patient began experiencing various side effects, including: Accidental Exposure To Product, Eye PainAdditional drugs used concurrently: NA. Although Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Accidental Exposure To Product, may still occur.
Loratadine Side Effect Report#9617084
Excoriation
This Excoriation problem was reported by a consumer or non-health professional from US. A 6-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Sep 18, 2012 this consumer started treatment with Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (dosage: NA). The following drugs were being taken at the same time: NA. When using Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml, the patient experienced the following unwanted symptoms/side effects: ExcoriationAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Excoriation, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9617083
Urticaria
This Urticaria side effect was reported by a consumer or non-health professional from US. A male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml (drug dosage: NA), which was initiated on
Aug 22, 2012. Concurrently used drugs: NA..After starting to take Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml the consumer reported adverse symptoms, such as: UrticariaThese side effects may potentially be related to Loratadine Syrup (loratadine Oral Solution Usp) 5mg/5ml.
Loratadine Side Effect Report#9537929
Glaucoma
This is a report of a 82-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Loratadine Tablets Usp (dosage: Unk Mg, Unk, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Glaucoma after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine Tablets Usp treatment in female patients, resulting in Glaucoma side effect.
Loratadine Side Effect Report#9536520
Restless Legs Syndrome
This report suggests a potential Loratadine Restless Legs Syndrome side effect(s) that can have serious consequences. A 56-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: seasonal allergy and used Loratadine (dosage: NA) starting NS. After starting Loratadine the patient began experiencing various side effects, including: Restless Legs SyndromeAdditional drugs used concurrently: NA. Although Loratadine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Restless Legs Syndrome, may still occur.
Loratadine Side Effect Report#9478079
Convulsion, Condition Aggravated
This Convulsion problem was reported by a health professional from GB. A 34-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: seasonal allergy. On
Jul 22, 2013 this consumer started treatment with Loratadine (dosage: Unk). The following drugs were being taken at the same time:
  • Carbamazepine (800 Mg, Bid)
  • Clobazam
  • Fusidic Acid
  • Levetiracetam (1 G, Bid)
  • Paracetamol
  • Risperidone (1.5 Mg, Qd)
  • Topiramate (150 Mg, Bid)
When using Loratadine, the patient experienced the following unwanted symptoms/side effects: Convulsion, Condition AggravatedThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Convulsion, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9471303
Convulsion, Condition Aggravated
This Convulsion side effect was reported by a pharmacist from GB. A 34-year-old female patient (weight:NA) experienced the following symptoms/conditions: seasonal allergy.The patient was prescribed Loratadine (drug dosage: NA), which was initiated on
Jul 22, 2013. Concurrently used drugs:
  • Levetiracetam (2 Gram Daily;)
  • Risperidone (1mg In The Morning And 500micrograms At Night.)
  • Carbamazepine (1600 Milligram Daily;)
  • Topiramate (300 Milligram Daily;)
  • Paracetamol (1g Four Times Daily As Required.)
  • Clobazam (10mg Three Times Daily As Required.)
  • Fusidic Acid
.After starting to take Loratadine the consumer reported adverse symptoms, such as: Convulsion, Condition AggravatedThese side effects may potentially be related to Loratadine. The patient was hospitalized.
Loratadine Side Effect Report#9469992
Dyspnoea, Chest Discomfort, Abdominal Pain, Swollen Tongue, Lip Swelling, Rash
This is a report of a 47-year-old female patient (weight: NA) from AU, suffering from the following health symptoms/conditions: NA, who was treated with Loratadine (dosage: 10 Mg, Once, start time:
Jun 21, 2013), combined with:
  • Dexamethasone (8 Mg, Once)
  • Ranitidine (50 Mg, Once)
  • Paclitaxel (108 Mg, Once)
  • Aloxi (250 Microgram, Once)
and developed a serious reaction and side effect(s): Dyspnoea, Chest Discomfort, Abdominal Pain, Swollen Tongue, Lip Swelling, Rash after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine treatment in female patients, resulting in Dyspnoea side effect.
Loratadine Side Effect Report#9469622
Abortion Spontaneous
This report suggests a potential Loratadine Abortion Spontaneous side effect(s) that can have serious consequences. A 32-year-old female patient (weight: NA) from DE was diagnosed with the following symptoms/conditions: urticaria and used Loratadine (dosage: 10 Mg, Qd, During Gestational Week 10-15) starting NS. After starting Loratadine the patient began experiencing various side effects, including: Abortion SpontaneousAdditional drugs used concurrently:
  • Telfast 180 (180 Mg, Qd, During Gestational Week 0-6)
  • Folsaure (400 ?g, Qd, During Gestational Week 10-15)
  • Allergospasmin (During Gestational Week 10-15)
Although Loratadine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abortion Spontaneous, may still occur.
Loratadine Side Effect Report#9468523
Abortion Spontaneous
This Abortion Spontaneous problem was reported by a physician from DE. A 32-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: urticaria. On NS this consumer started treatment with Loratadine (dosage: 10 Milligram Daily;). The following drugs were being taken at the same time:
  • Telfast 180 (168 Milligram Daily;)
  • Folsaeure (400 Microgram Daily;)
  • Allergospasmin
When using Loratadine, the patient experienced the following unwanted symptoms/side effects: Abortion SpontaneousAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Abortion Spontaneous, may become evident only after a product is in use by the general population.
Loratadine Side Effect Report#9467802
Seizure Cluster, Condition Aggravated
This Seizure Cluster side effect was reported by a pharmacist from GB. A 34-year-old female patient (weight:NA) experienced the following symptoms/conditions: seasonal allergy.The patient was prescribed Loratadine 16028/0080 10 Mg (drug dosage: NA), which was initiated on
Jul 22, 2013. Concurrently used drugs:
  • Carbamazepine (800 Mg, Bid)
  • Clobazam (Unk)
  • Fusidic Acid
  • Levetiracetam (1 G, Bid)
  • Paracetamol (Unk)
  • Risperidone (1.5 Mg, Qd)
  • Topiramate (150 Mg, Bid)
.After starting to take Loratadine 16028/0080 10 Mg the consumer reported adverse symptoms, such as: Seizure Cluster, Condition AggravatedThese side effects may potentially be related to Loratadine 16028/0080 10 Mg. The patient was hospitalized.
Loratadine Side Effect Report#9467193
Convulsion, Condition Aggravated
This is a report of a 34-year-old female patient (weight: NA) from GB, suffering from the following health symptoms/conditions: seasonal allergy, who was treated with Loratadine (dosage: NA, start time:
Jul 22, 2013), combined with:
  • Levetiracetam (1 G, Unk)
  • Risperidone (1mg In The Morning And 500micrograms At Night.)
  • Carbamazepine (800 Mg, Bid)
  • Topiramate (150 Mg, Bid)
  • Paracetamol (Unk (1g Four Times Daily As Required))
  • Clobazam (Unk (10mg Three Times Daily As Required))
  • Fusidic Acid (Unk)
and developed a serious reaction and side effect(s): Convulsion, Condition Aggravated after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Loratadine treatment in female patients, resulting in Convulsion side effect. The patient was hospitalized.


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The appearance of Loratadine on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

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What are common Loratadine Side Effects for Women?

Women Side EffectsReports
Dizziness 28
Dyspnoea 22
Hypersensitivity 21
Accidental Overdose 18
Headache 17
Malaise 17
Nausea 17
Pruritus 17
Syncope 16
Urticaria 15

What are common Loratadine Side Effects for Men?

Men Side EffectsReports
Convulsion 20
Somnolence 16
Vomiting 15
Accidental Overdose 12
Dyspnoea 12
Dizziness 11
Headache 11
Overdose 10
Abdominal Pain Upper 9
Autoimmune Hepatitis 9

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Loratadine reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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