Allegra side effects - from FDA reports


In this review, we analyze Allegra side effects by the time on the drug, gender and age of the people who have side effects while taking Allegra. The review is based on 51,416 people who have side effects while taking the drug from FDA, and is updated regularly.

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Allegra

Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. (latest outcomes from Allegra 53,163 users)


On Jan, 24, 2019

51,416 people who take Allegra are studied.


Number of reports submitted per year:

Allegra side effects.

Most common side effects over time *:

< 1 month:
  • Drug ineffective
  • Vomiting
  • Insomnia (sleeplessness)
  • Rash
  • Nausea (feeling of having an urge to vomit)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Therapeutic response decreased (less preventive response)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Malaise (a feeling of general discomfort or uneasiness)
  • Tremor (trembling or shaking movements in one or more parts of your body)
1 - 6 months:
  • Pruritus (severe itching of the skin)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Vomiting
  • White blood cell count decreased
  • Pancreatitis acute (sudden inflammation of pancreas)
  • Platelet count decreased
  • Therapeutic response decreased (less preventive response)
  • Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection)
  • Anaemia (lack of blood)
  • Rash
6 - 12 months:
  • Weight increased
  • Erythema multiforme (a type of hypersensitivity reaction)
  • Malaise (a feeling of general discomfort or uneasiness)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Weight decreased
  • Arthritis (form of joint disorder that involves inflammation of one or more joints)
  • Basophil percentage decreased
  • Cardiomyopathy (weakening of the heart muscle)
  • Death
  • Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
1 - 2 years:
  • Scleroderma (hard skin)
  • Vomiting
  • Loss of consciousness
  • Nausea (feeling of having an urge to vomit)
  • Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  • Anaemia (lack of blood)
  • Cardiac failure acute
  • Mesenteric occlusion (blockage in mesenteric artery)
  • Panic attack
  • Pulmonary embolism (blockage of the main artery of the lung)
2 - 5 years:
  • Weight increased
  • Depression
  • Vocal cord polyp
  • Abdominal pain upper
  • Breast cancer female
  • Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  • Duodenal ulcer haemorrhage (bleeding duodenal ulcer)
  • Dyspnoea (difficult or laboured respiration)
  • Pain
  • Sleep disorder
5 - 10 years:
  • Anxiety
  • Cholecystitis chronic (long lasting infection of gallbladder)
  • Chronic kidney disease
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Depression
  • Nephrolithiasis (calculi in the kidneys)
  • Pain
  • Pneumonia viral
  • Visual impairment
  • Vitamin d decreased
10+ years:
  • Therapeutic response unexpected
  • Breast cancer female
  • Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
  • Drug effect decreased
  • Fall
  • Hypersomnia (excessive daytime sleepiness (eds))
  • Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
  • Influenza
  • Insomnia (sleeplessness)
  • Hypertension (high blood pressure)
not specified:
  • Drug ineffective
  • Vomiting
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Weight increased
  • Therapeutic response decreased (less preventive response)
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Insomnia (sleeplessness)
  • Headache (pain in head)

Most common side effects by gender *:

female:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Nausea (feeling of having an urge to vomit)
  • Weight decreased
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Headache (pain in head)
  • Insomnia (sleeplessness)
  • Rash
male:
  • Drug ineffective
  • Vomiting
  • Nausea (feeling of having an urge to vomit)
  • Pneumonia
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  • Headache (pain in head)
  • Pruritus (severe itching of the skin)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Death

Most common side effects by age *:

0-1:
  • Vomiting
  • Rash
  • Cardiac failure
  • Drug ineffective
  • Pyrexia (fever)
  • Umbilical cord abnormality
  • Wheezing (a high-pitched whistling sound made while you breath)
  • Accidental overdose
  • Brain stem haemorrhage (bleeding into structures of brain stem)
  • Chest discomfort
2-9:
  • Vomiting
  • Drug ineffective
  • Product taste abnormal
  • Accidental overdose
  • Dysgeusia (disorder of the sense of taste)
  • Hypersensitivity
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Overdose
  • Retching (strong involuntary effort to vomit)
  • Suicidal ideation
10-19:
  • Drug ineffective
  • Vomiting
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Suicide attempt
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Nausea (feeling of having an urge to vomit)
  • Suicidal ideation
  • Headache (pain in head)
  • Pulmonary embolism (blockage of the main artery of the lung)
20-29:
  • Rash
  • Weight decreased
  • Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  • Injection site pain
  • Sinusitis (inflammation of sinus)
  • Vision blurred
  • Abdominal pain upper
  • Gallbladder disorder
  • Drug ineffective
  • Vomiting
30-39:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Nausea (feeling of having an urge to vomit)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Rash
  • Pain
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
40-49:
  • Drug ineffective
  • Weight increased
  • Vomiting
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Nausea (feeling of having an urge to vomit)
  • Weight decreased
  • Pain
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Vision blurred
  • Rash
50-59:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Rash
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • White blood cell count decreased
  • Headache (pain in head)
60+:
  • Drug ineffective
  • Weight decreased
  • Vomiting
  • Weight increased
  • Therapeutic response decreased (less preventive response)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Nausea (feeling of having an urge to vomit)
  • Insomnia (sleeplessness)
  • Rash
  • Pruritus (severe itching of the skin)

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

You are not alone:

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a b c d e f g h i j k l m n o p q r s t u v w x y z

On eHealthMe, Allegra (fexofenadine hydrochloride) is often used to treat hypersensitivity. Find out below the conditions the drugs are used for and how effective they are.

What is the drug used for and how effecitve is it:


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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 eHealthMe.com 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 http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

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