Nortriptyline hydrochloride and Multiple allergies - a phase IV clinical study of FDA data

Summary:

Multiple allergies is reported as a side effect among people who take Nortriptyline hydrochloride (nortriptyline hydrochloride), especially for people who are female, 60+ old, also take Epinephrine, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Multiple allergies when taking Nortriptyline hydrochloride. It is created by eHealthMe based on reports of 3,475 people who have side effects when taking Nortriptyline hydrochloride from the FDA, and is updated regularly.

What is Nortriptyline hydrochloride?

Nortriptyline hydrochloride has active ingredients of nortriptyline hydrochloride. It is often used in migraine. eHealthMe is studying from 4,817 Nortriptyline hydrochloride users. Check the latest studies of Nortriptyline hydrochloride.

What is Multiple allergies?

Multiple allergies (allergy to multiple agents) is found to be associated with 716 drugs and 608 conditions by eHealthMe. Check the latest studies of Multiple allergies.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

3,475 people reported to have side effects when taking Nortriptyline hydrochloride.
Among them, 12 people (0.35%) have Multiple allergies.

Could Nortriptyline hydrochloride cause Multiple allergies?

Among these 12 people:

What is the gender of people who have Multiple allergies when taking Nortriptyline hydrochloride? *

female: 83.33 %
male: 16.67 %

What is the age of people who have Multiple allergies when taking Nortriptyline hydrochloride? *

What are other drugs people take besides Nortriptyline hydrochloride? *

Acetaminophen: 9 people, 75.00%
Epinephrine: 9 people, 75.00%
Azelastine Hydrochloride: 6 people, 50.00%
Diphenhydramine Hydrochloride: 6 people, 50.00%
Restasis: 5 people, 41.67%
Atorvastatin Calcium: 5 people, 41.67%
Clonidine Hydrochloride: 4 people, 33.33%
Cyclobenzaprine Hydrochloride: 4 people, 33.33%
Advair Hfa: 4 people, 33.33%
Furosemide: 4 people, 33.33%

What are other side effects people have besides Multiple allergies? *

Pneumonia: 6 people, 50.00%
Nasopharyngitis (inflammation of the nasopharynx): 5 people, 41.67%
Toothaches (tooth pain): 4 people, 33.33%
Scar: 3 people, 25.00%
Headache (pain in head): 3 people, 25.00%
Sinusitis (inflammation of sinus): 3 people, 25.00%
Infusion Site Pruritus (severe itching at infusion site): 2 people, 16.67%
Hypersensitivity: 2 people, 16.67%
Nausea (feeling of having an urge to vomit): 2 people, 16.67%
Fatigue (feeling of tiredness): 2 people, 16.67%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 6 people, 50.00%
Immune System Disorder: 2 people, 16.67%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 2 people, 16.67%
Urticaria Pigmentosa (skin disease that produces patches of darker skin (lesions) and very bad itching): 1 person, 8.33%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 8.33%
Hypergammaglobulinaemia (elevated levels of gamma globulin): 1 person, 8.33%
Conjunctivitis Allergic (inflammation of the conjunctiva due to allergy): 1 person, 8.33%
Asthma: 1 person, 8.33%
Angioedema (rapid swelling of the dermis): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Nortriptyline hydrochloride and have Multiple allergies?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Nortriptyline hydrochloride:

Nortriptyline hydrochloride (4,817 reports)

Browse all side effects of Nortriptyline hydrochloride:

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

Browse all the drugs that are associated with Multiple allergies:

Multiple allergies (716 drugs)

Browse all the conditions that are associated with Multiple allergies:

Multiple allergies (608 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on nortriptyline hydrochloride (the active ingredients of Nortriptyline hydrochloride) and Nortriptyline hydrochloride (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.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML 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 800+ peer-reviewed 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.

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