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Loratadine Palpitations Side Effects

Loratadine Palpitations Side Effect Reports


The following Loratadine Palpitations side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Palpitations, can occur, and what you can do about them.

A side effect could appear soon after you start Loratadine or it might take time to develop.



Middle Insomnia, Palpitations

This Palpitations side effect was reported by a health professional from GB. A 59-year-old female patient (weight:NA) experienced the following symptoms/conditions: seasonal allergy. The patient was prescribed Loratadine (dosage: 10 Mg, Qd), which was started on May 25, 2013. Concurrently used drugs: NA. When starting to take Loratadine the consumer reported the following symptoms:
  • Middle Insomnia
  • Palpitations
These side effects may potentially be related to Loratadine.
Palpitations, Middle Insomnia

This Palpitations Loratadine side effect was reported by a pharmacist from GB on Jun 24, 2013. A Female , 59 years of age, weighting 154.3 lb, was diagnosed with and was treated with Loratadine. The patient presented the following health conditions:
  • Palpitations
  • Middle Insomnia
. Loratadine dosage: 10 Milligram Daily;. Additional drugs used at the same time:
  • Probiotic
Middle Insomnia, Palpitations

This is a Loratadine side effect report of a 59-year-old female patient (weight:NA) from GB, suffering from the following symptoms/conditions: seasonal allergy, who was treated with Loratadine (dosage:10 Mg, Qd, start time: May 01, 2013), combined with: NA., and developed a serious reaction and a Palpitations side effect. The patient presented with:
  • Middle Insomnia
  • Palpitations
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Loratadine treatment in female patients suffering from seasonal allergy, resulting in Palpitations.

Palpitations, Middle Insomnia

A 59-year-old female patient (weight: NA) from GB with the following symptoms: seasonal allergy started Loratadine 16028/0080 10 Mg treatment (dosage: 10 Mg, Qd) on May 01, 2013. Soon after starting Loratadine 16028/0080 10 Mg treatment, the consumer experienced several side effects, including:
  • Palpitations
  • Middle Insomnia
. Concurrently used drugs:
  • Probiotic (Unk)
This finding indicates that some patients can be more vulnerable to developing Loratadine 16028/0080 10 Mg side effects, such as Palpitations.
Palpitations, Chest Discomfort

A female patient from US was prescribed and started Loratadine on Mar 01, 2013. Patient felt the following Loratadine side effects: palpitations, chest discomfort Additional patient health information: Female , 52 years of age, weighting 160.0 lb, The consumer reported the following symptoms: was diagnosed with and. Loratadine dosage: 1tablet Daily Po. Concurrently used drugs: NA.
Torsade De Pointes, Palpitations, Syncope

This report suggests a potential Loratadine Palpitations side effect(s) that can have serious consequences. A 66-year-old patient from MEXICO (weight:NA) was diagnosed with the following health condition(s): NA and used Loratadine (dosage: NA) starting Jan 01, 2011. Soon after starting Loratadine the patient began experiencing various side effects, including:
  • Torsade De Pointes
  • Palpitations
  • Syncope
Drugs used concurrently:
  • Dronedarone Hcl
Although Loratadine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Palpitations, may still occur.
Bronchitis, Cough, Palpitations, Pleuritic Pain, Cerebrovascular Accident, Cholelithiasis, Abdominal Pain Upper, Dyspnoea, Myocardial Infarction

An adverse event was reported by a consumer or non-health professional on Dec 17, 2010 by a Female taking Loratadine (dosage: NA) was diagnosed with and. Location: UNITED STATES , 36 years of age, weighting 160.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Loratadine side effects: bronchitis, cough, palpitations, pleuritic pain, cerebrovascular accident, cholelithiasis, abdominal pain upper, dyspnoea, myocardial infarction. Additional medications/treatments:
Associated medications used:
  • Yaz
  • Nicotine
  • Erythromycin
  • Fluconazole
  • Amlodipine Besylate
  • Sulfamethoxazole Trimethoprim
  • Yasmin
  • Lotrel
The patient was hospitalized.
Tachycardia, Palpitations, Chest Pain

This Palpitations problem was reported by a health professional from RUSSIAN FEDERATION. A 6-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Loratadine (dosage: Po). The following drugs/medications were being taken at the same time: NA. When commencing Loratadine, the patient experienced the following unwanted symptoms /side effects:
  • Tachycardia
  • Palpitations
  • Chest Pain
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Palpitations, may become evident only after a product is in use by the general population.
Blood Glucose Increased, Blood Pressure Increased, Dizziness, Dry Mouth, Palpitations, Pyrexia, White Blood Cell Count Increased

This is a Loratadine side effect report of a 67-year-old patient (weight: NA) from CHINA. The patient developed the following symptoms/conditions: urticaria and was treated with Loratadine (dosage: 10 Mg; Qd; Po) starting Aug 10, 2008. Concurrently used drugs:
  • Dexamethasone
  • Herbal Preparation
Soon after that, the consumer experienced the following of symptoms:
  • Blood Glucose Increased
  • Blood Pressure Increased
  • Dizziness
  • Dry Mouth
  • Palpitations
  • Pyrexia
  • White Blood Cell Count Increased
The patient was hospitalized. This opens a possibility that Loratadine could cause Palpitations and that some patients may be more susceptible.
Asthenia, Blood Glucose Increased, Blood Pressure Increased, Dizziness, Dry Mouth, Palpitations, Pyrexia, White Blood Cell Count Increased

This Palpitations side effect was reported by a health professional from CHINA on Aug 14, 2008. A patient from CHINA , 67 years of age, was diagnosed with and was treated with Loratadine. Directly after treatment started, patient experienced the unwanted or unexpected Loratadine side effects: asthenia, blood glucose increased, blood pressure increased, dizziness, dry mouth, palpitations, pyrexia, white blood cell count increased. Loratadine dosage: 10 Mg; Qd; Po. These side effects may potentially be related to Loratadine.
Arrhythmia, Dyspnoea, Overdose, Palpitations, Sinus Arrhythmia, Sinus Bradycardia

This Palpitations side effect was reported by a physician from CHINA. A 7-year-old patient (weight:NA) experienced the following symptoms/conditions: rhinitis allergic. The patient was prescribed Loratadine (dosage: 20 Mg;tid;po), which was started on Dec 13, 2007. Concurrently used drugs: NA. When starting to take Loratadine the consumer reported the following symptoms:
  • Arrhythmia
  • Dyspnoea
  • Overdose
  • Palpitations
  • Sinus Arrhythmia
  • Sinus Bradycardia
The patient was hospitalized. These side effects may potentially be related to Loratadine.
Dyspnoea, Overdose, Palpitations, Sinus Arrhythmia, Sinus Bradycardia

This Palpitations Loratadine side effect was reported by a physician from CHINA on Dec 25, 2007. A male , child 7 years of age, was diagnosed with and was treated with Loratadine. The patient presented the following health conditions:
  • Dyspnoea
  • Overdose
  • Palpitations
  • Sinus Arrhythmia
  • Sinus Bradycardia
. Loratadine dosage: 20 Mg;tid;po. Additional drugs used at the same time: NA. The patient was hospitalized.
Arthralgia, Extrasystoles, Palpitations

This is a Loratadine side effect report of a 22-year-old patient (weight:NA) from UNITED KINGDOM, suffering from the following symptoms/conditions: hypersensitivity,pain, who was treated with Loratadine (dosage:10 Mg; Qd; Po, start time: Sep 11, 2007), combined with:
  • Vitamedin (vitamedin) (; Po)
, and developed a serious reaction and a Palpitations side effect. The patient presented with:
  • Arthralgia
  • Extrasystoles
  • Palpitations
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Loratadine treatment in patients suffering from hypersensitivity,pain, resulting in Palpitations.
Extrasystoles, Palpitations

A 22-year-old patient (weight: NA) from UNITED KINGDOM with the following symptoms: hypersensitivity,pain started Loratadine treatment (dosage: 10 Mg, Qd, Oral) on Sep 11, 2007. Soon after starting Loratadine treatment, the consumer experienced several side effects, including:
  • Extrasystoles
  • Palpitations
. Concurrently used drugs:
  • Vitamin B Complex Cap (Oral)
  • Celecoxib
This finding indicates that some patients can be more vulnerable to developing Loratadine side effects, such as Palpitations.
Asthenia, Balance Disorder, Confusional State, Dizziness, Muscular Weakness, Palpitations

A female patient from UNITED KINGDOM was prescribed and started Loratadine on Aug 17, 2007. After Loratadine was administered, patient encountered several Loratadine side effects: asthenia, balance disorder, confusional state, dizziness, muscular weakness, palpitations Additional patient health information: Female , 44 years of age, The consumer reported the following symptoms: was diagnosed with and. Loratadine dosage: 10 Mg (10 Mg, 1 In 1 D) Oral. Concurrently used drugs:
  • Chlorpheniramine Maleate
Asthenia, Balance Disorder, Confusional State, Dizziness, Muscular Weakness, Palpitations

This report suggests a potential Loratadine Palpitations side effect(s) that can have serious consequences. A 44-year-old female patient from UNITED KINGDOM (weight:NA) was diagnosed with the following health condition(s): seasonal allergy and used Loratadine (dosage: 10 Mg, Qd, Oral) starting NS. Soon after starting Loratadine the patient began experiencing various side effects, including:
  • Asthenia
  • Balance Disorder
  • Confusional State
  • Dizziness
  • Muscular Weakness
  • Palpitations
Drugs used concurrently:
  • Chlorpheniramine Maleate
Although Loratadine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Palpitations, may still occur.
Asthenia, Balance Disorder, Confusional State, Dizziness, Muscular Weakness, Palpitations

An adverse event was reported by a health professional on Aug 20, 2007 by a Female taking Loratadine (dosage: 10 Mg, Qd, Oral) was diagnosed with and. Location: UNITED KINGDOM , 44 years of age, weighting 161.6 lb, patient began experiencing various side effects, including: Patient felt the following Loratadine side effects: asthenia, balance disorder, confusional state, dizziness, muscular weakness, palpitations. Additional medications/treatments:
Multiple prescriptions taken:
  • Piriton (chlorpheniramine Maleate)
Asthenia, Balance Disorder, Confusional State, Dizziness, Muscular Weakness, Palpitations

This Palpitations problem was reported by a health professional from UNITED KINGDOM. A 44-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): seasonal allergy.On NS a consumer started treatment with Loratadine (dosage: 10 Mg;qd; Po). The following drugs/medications were being taken at the same time:
  • Piriton (con.)
When commencing Loratadine, the patient experienced the following unwanted symptoms /side effects:
  • Asthenia
  • Balance Disorder
  • Confusional State
  • Dizziness
  • Muscular Weakness
  • Palpitations
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Palpitations, may become evident only after a product is in use by the general population.
Feeling Jittery, Palpitations, Dyspnoea, Blood Pressure Increased

This is a Loratadine/pseudoephedrine Sulfate side effect report of a 46-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: hypersensitivity and was treated with Loratadine/pseudoephedrine Sulfate (dosage: Single Dose) starting Mar 06, 2014. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Feeling Jittery
  • Palpitations
  • Dyspnoea
  • Blood Pressure Increased
This opens a possibility that Loratadine/pseudoephedrine Sulfate could cause Palpitations and that some female patients may be more susceptible.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Loratadine Palpitations Causes and Reviews


An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat.

Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias.

Symptoms of arrhythmias include

  • Fast or slow heart beat
  • Skipping beats
  • Lightheadedness or dizziness
  • Chest pain
  • Shortness of breath
  • Sweating

Your doctor can run tests to find out if you have an arrhythmia. Treatment to restore a normal heart rhythm may include medicines, an implantable cardioverter-defibrillator (ICD) or pacemaker, or sometimes surgery.

NIH: National Heart, Lung, and Blood Institute


Loratadine Palpitations Reviews

Sat, 25 Sep 2010

my son experienced nightmares, several night wakenings, disorientation, restlessness, night sweats and a few days after stopping the medication had shortness of breath after exercising (with no previous asthmatic experiences)

Tue, 09 Aug 2011

I was taking the Loratadine 24 hr for about 4 months and past 3 months kept losing a lot of hair. Found bald spot few days ago and doc says alopecia areata. I saw a few postings on the internet of a correlation and wanted to know it anyone else has had that experience?

Tue, 13 Sep 2011

can this medicine cause you to have a very fast heart rate?

Sun, 15 Nov 2009
is 30mg too much in 24 hours?? is medical advice needed
Sat, 13 Feb 2010
can my one year old take Loratadine
Fri, 19 Mar 2010
can you take tylenol right after taking a Loratadine?
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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