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 42,725 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 44,472 users)


On Aug, 14, 2018

42,725 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
  • White blood cell count decreased
  • Malaise (a feeling of general discomfort or uneasiness)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Therapeutic response decreased (less preventive response)
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Nausea (feeling of having an urge to vomit)
1 - 6 months:
  • Retinopathy (acute damage to the retina of the eye)
  • Drug ineffective
  • Liver disorder (liver diseases)
  • Interstitial lung disease
  • Renal impairment (severely reduced kidney function)
  • Alanine aminotransferase increased
  • Malaise (a feeling of general discomfort or uneasiness)
  • White blood cell count decreased
  • Platelet count decreased
  • Pruritus (severe itching of the skin)
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
  • Basophil percentage decreased
  • Death
  • Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  • Pneumonia
  • Spinal compression fracture (fracture due to spinal compression on bone)
1 - 2 years:
  • Scleroderma (hard skin)
  • Loss of consciousness
  • Vomiting
  • Anaemia (lack of blood)
  • Cardiac failure acute
  • Mesenteric occlusion (blockage in mesenteric artery)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Tachycardia (a heart rate that exceeds the range of 100 beats/min)
  • Vertigo
  • Wrist fracture
2 - 5 years:
  • Weight increased
  • Depression
  • Abdominal pain upper
  • Breast cancer female
  • Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  • Pain
  • Sleep disorder
  • Vocal cord polyp
  • Vomiting
  • Abdominal pain
5 - 10 years:
  • Anxiety
  • Cholecystitis chronic (long lasting infection of gallbladder)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Depression
  • Pain
  • Pneumonia viral
  • Vitamin d decreased
  • Abscess (pus)
  • Abscess jaw (tooth abscess or root abscess)
  • Aneurysm (enlargement of an artery caused by a weakening of the artery wall)
10+ years:
  • Breast cancer female
  • Therapeutic response unexpected
  • Hypertension (high blood pressure)
  • Type 2 diabetes mellitus
  • Anxiety
  • Breast cancer
  • Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
  • Drug effect decreased
  • Fall
  • Hypersomnia (excessive daytime sleepiness (eds))
not specified:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Weight decreased
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Nausea (feeling of having an urge to vomit)
  • Therapeutic response decreased (less preventive response)
  • Insomnia (sleeplessness)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • 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
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Headache (pain in head)
  • Insomnia (sleeplessness)
  • Sinusitis (inflammation of sinus)
male:
  • Drug ineffective
  • Vomiting
  • Weight decreased
  • Weight increased
  • Therapeutic response decreased (less preventive response)
  • Rash
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • White blood cell count decreased
  • Pyrexia (fever)
  • Insomnia (sleeplessness)

Most common side effects by age *:

0-1:
  • Rash
  • Cardiac failure
  • Pyrexia (fever)
  • Umbilical cord abnormality
  • Vomiting
  • Accidental overdose
  • Brain stem haemorrhage (bleeding into structures of brain stem)
  • Chest discomfort
  • Confusion
  • Dermatitis diaper (diaper rash is a common form of inflamed skin)
2-9:
  • Vomiting
  • Drug ineffective
  • Product taste abnormal
  • Dysgeusia (disorder of the sense of taste)
  • Hypersensitivity
  • Overdose
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Suicidal ideation
  • Therapeutic response decreased (less preventive response)
  • Weight decreased
10-19:
  • Drug ineffective
  • Vomiting
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Suicide attempt
  • Tremor (trembling or shaking movements in one or more parts of your body)
  • Suicidal ideation
  • Nausea (feeling of having an urge to vomit)
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Pyrexia (fever)
  • Headache (pain in head)
20-29:
  • Drug ineffective
  • Vomiting
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Nausea (feeling of having an urge to vomit)
  • Metrorrhagia (uterine bleeding at irregular intervals)
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Weight increased
  • Pain
  • Headache (pain in head)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
30-39:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Nausea (feeling of having an urge to vomit)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • Pain
  • Rash
  • Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  • Palpitations (feelings or sensations that your heart is pounding or racing)
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
  • Pulmonary embolism (blockage of the main artery of the lung)
  • Pain
  • Vision blurred
  • Rash
50-59:
  • Drug ineffective
  • Vomiting
  • Weight increased
  • Weight decreased
  • Nausea (feeling of having an urge to vomit)
  • Rash
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Urticaria (rash of round, red welts on the skin that itch intensely)
  • White blood cell count decreased
  • Sinusitis (inflammation of sinus)
60+:
  • Drug ineffective
  • Weight decreased
  • Vomiting
  • Weight increased
  • Nausea (feeling of having an urge to vomit)
  • Insomnia (sleeplessness)
  • Pruritus (severe itching of the skin)
  • Pneumonia
  • Somnolence (a state of near-sleep, a strong desire for sleep)
  • Rash

* Approximation only. Some reports may have incomplete information.

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Want to find out more about the FDA reports used in the study? You can request them from FDA.

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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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