Allegra and Systemic inflammatory response syndrome - a phase IV clinical study of FDA data
Summary:
Systemic inflammatory response syndrome is found among people who take Allegra, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months.
The phase IV clinical study analyzes which people take Allegra and have Systemic inflammatory response syndrome. It is created by eHealthMe based on reports of 66,294 people who have side effects when taking Allegra from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
66,294 people reported to have side effects when taking Allegra.
Among them, 16 people (0.02%) have Systemic inflammatory response syndrome.
What is Allegra?
Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. eHealthMe is studying from 68,571 Allegra users for its effectiveness, alternative drugs and more.
What is Systemic inflammatory response syndrome?
Systemic inflammatory response syndrome (an inflammatory state affecting the whole body, frequently a response of the immune system to infection) is found to be associated with 1,331 drugs and 834 conditions by eHealthMe.
Number of Allegra and Systemic inflammatory response syndrome reports submitted per year:

Time on Allegra when people have Systemic inflammatory response syndrome *:
- < 1 month: 0.0 %
- 1 - 6 months: 100 %
- 6 - 12 months: 0.0 %
- 1 - 2 years: 0.0 %
- 2 - 5 years: 0.0 %
- 5 - 10 years: 0.0 %
- 10+ years: 0.0 %
Gender of people who have Systemic inflammatory response syndrome when taking Allegra *:
- female: 66.67 %
- male: 33.33 %
Age of people who have Systemic inflammatory response syndrome when taking Allegra *:
- 0-1: 0.0 %
- 2-9: 0.0 %
- 10-19: 7.14 %
- 20-29: 0.0 %
- 30-39: 14.29 %
- 40-49: 0.0 %
- 50-59: 14.29 %
- 60+: 64.29 %
Common drugs people take besides Allegra *:
- Fish Oil: 8 people, 50.00%
- Norco: 7 people, 43.75%
- Zanaflex: 7 people, 43.75%
- Flomax: 7 people, 43.75%
- Vitamin D3: 7 people, 43.75%
- Valtrex: 7 people, 43.75%
- Mucinex: 7 people, 43.75%
- Colace: 6 people, 37.50%
- Nitrostat: 6 people, 37.50%
- Neurontin: 6 people, 37.50%
Common side effects people have besides Systemic inflammatory response syndrome *:
- Fever: 11 people, 68.75%
- Sepsis (a severe blood infection that can lead to organ failure and death): 10 people, 62.50%
- Chills (felling of cold): 9 people, 56.25%
- Oedema Peripheral (superficial swelling): 9 people, 56.25%
- White Blood Cell Count Increased: 8 people, 50.00%
- Weakness: 8 people, 50.00%
- Pneumonia: 8 people, 50.00%
- Diarrhea: 8 people, 50.00%
- Dyspnea Exertional: 8 people, 50.00%
- Fatigue (feeling of tiredness): 7 people, 43.75%
Common conditions people have *:
- Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 6 people, 37.50%
- Rickets (softening of bones): 5 people, 31.25%
- Insomnia (sleeplessness): 5 people, 31.25%
- Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 5 people, 31.25%
- Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 3 people, 18.75%
- Sleep Disorder: 2 people, 12.50%
- H1n1 Influenza (flu (influenza), which is caused by virus influenza a (h1n1)): 2 people, 12.50%
- Hypersensitivity: 2 people, 12.50%
- Indigestion: 2 people, 12.50%
- Juvenile Arthritis (arthritis-related condition that develops in children or teenagers): 2 people, 12.50%
* Approximation only. Some reports may have incomplete information.
Do you take Allegra and have Systemic inflammatory response syndrome?
Check whether Systemic inflammatory response syndrome is associated with a drug or a conditionHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
How severe was Systemic inflammatory response syndrome and when was it recovered:
Expand to all the drugs that have ingredients of fexofenadine hydrochloride:
Alternative drugs to, pros and cons of Allegra:
- Allegra (68,571 reports)
Common Allegra side effects:
- Drug ineffective: 9,288 reports
- Fatigue (feeling of tiredness): 3,823 reports
- Headache (pain in head): 3,484 reports
- Breathing difficulty: 3,388 reports
- Dizziness: 3,097 reports
- Rashes (redness): 2,992 reports
- Pain: 2,960 reports
Browse all side effects of Allegra:
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 zSystemic inflammatory response syndrome treatments and more:
- Systemic inflammatory response syndrome (4,621 reports)
COVID vaccines that are related to Systemic inflammatory response syndrome:
- Systemic inflammatory response syndrome in Moderna COVID Vaccine
- Systemic inflammatory response syndrome in Pfizer BioNTech Covid Vaccine
- Systemic inflammatory response syndrome in Johnson and Johnson Covid Vaccine
Common drugs associated with Systemic inflammatory response syndrome:
- Prednisone: 311 reports
- Aspirin: 298 reports
- Methotrexate: 243 reports
- Prednisolone: 225 reports
- Lopurin: 204 reports
- Allopurinol: 204 reports
- Metformin: 192 reports
- Lasix: 187 reports
- Omeprazole: 181 reports
- Cytarabine: 178 reports
All the drugs that are associated with Systemic inflammatory response syndrome:
- Systemic inflammatory response syndrome (1,331 drugs)
Common conditions associated with Systemic inflammatory response syndrome:
- High blood pressure: 210 reports
- Rheumatoid arthritis: 190 reports
- Pain: 166 reports
- Multiple myeloma: 152 reports
- Type 2 diabetes: 135 reports
All the conditions that are associated with Systemic inflammatory response syndrome:
- Systemic inflammatory response syndrome (834 conditions)
How the study uses the data?
The study uses data from the FDA. It is based on fexofenadine hydrochloride (the active ingredients of Allegra) and Allegra (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
Who is eHealthMe?
With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
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. Our phase IV clinical studies alone cannot establish cause-effect relationship. 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.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
Recent studies on eHealthMe:
- Finasteride and Idiopathic Pulmonary Fibrosis - now
- Aquamephyton and Anastomotic Leak - 3 seconds ago
- Aplastic Anemia and Candida Sepsis - 4 seconds ago
- Zoladex and Accutane drug interaction - 5 seconds ago
- Aplastic Anemia and Hair Loss - 8 seconds ago
- Allergic Rhinitis and Ultrasound Scan Abnormal - 8 seconds ago
- Betaxolol and Antiphospholipid Syndrome - 10 seconds ago
- Trelstar and Retinal Detachment - 11 seconds ago
- Metronidazole and Peripheral Motor Neuropathy - 12 seconds ago
- How effective is Benadryl for Allergic Sinusitis? - 13 seconds ago