Benadryl and Kanuma drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Benadryl (diphenhydramine hydrochloride) and Kanuma (sebelipase alfa). Common drug interactions include infectious mononucleosis among females and urticaria among males.

The phase IV clinical study analyzes what interactions people have when they take Benadryl and Kanuma. It is created by eHealthMe based on reports of 14 people who take the same drugs from the FDA, and is updated regularly.

What is Benadryl?

Benadryl has active ingredients of diphenhydramine hydrochloride. It is often used in allergies. eHealthMe is studying from 104,955 Benadryl users. Check the latest studies of Benadryl.

What is Kanuma?

Kanuma has active ingredients of sebelipase alfa. eHealthMe is studying from 605 Kanuma users. Check the latest studies of Kanuma.

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, 23, 2026

14 people who take Benadryl and Kanuma together, and have interactions are studied.

Benadryl and Kanuma drug interactions.

What are the common drug interactions of Benadryl and Kanuma, by gender? *:

female:

  1. Infectious mononucleosis (infection usually caused by the epstein-barr virus)
  2. Acinetobacter infection (infection by group of bacteria commonly found in soil and water)
  3. Diarrhoea
  4. Diarrhoea haemorrhagic (bloody diarrhoea)
  5. Graft versus host disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body)
  6. Haematoma (collection of blood outside the blood vessels)
  7. Infusion related reaction
  8. Pleural effusion (water on the lungs)
  9. Pyrexia (fever)
  10. Septic shock (shock due to blood infection)

male:

  1. Urticaria (rash of round, red welts on the skin that itch intensely)
  2. Diarrhoea
  3. Muscle spasms (muscle contraction)
  4. Nausea (feeling of having an urge to vomit)
  5. Total cholesterol/hdl ratio increased
  6. Abdominal discomfort
  7. Abdominal pain
  8. Abdominal pain upper
  9. Anxiety
  10. Blood cholesterol increased

What are the common drug interactions of Benadryl and Kanuma, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

  1. Diarrhoea
  2. Acinetobacter infection (infection by group of bacteria commonly found in soil and water)
  3. Diarrhoea haemorrhagic (bloody diarrhoea)
  4. Graft versus host disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body)
  5. Haematoma (collection of blood outside the blood vessels)
  6. Pleural effusion (water on the lungs)
  7. Pyrexia (fever)
  8. Septic shock (shock due to blood infection)
  9. Tooth abscess (pus formation in tooth)
  10. Abdominal pain upper

10-19:

  1. Infectious mononucleosis (infection usually caused by the epstein-barr virus)

20-29:

  1. Infusion related reaction
  2. Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal)
  3. Adverse reaction
  4. Fatigue (feeling of tiredness)
  5. Sinusitis (inflammation of sinus)
  6. Urticaria (rash of round, red welts on the skin that itch intensely)
  7. Anaphylactic reaction (serious allergic reaction)
  8. Chest discomfort
  9. Drug hypersensitivity

30-39:

  1. Abdominal discomfort
  2. Abdominal pain
  3. Diarrhoea
  4. Lethargy (tiredness)
  5. Muscle spasms (muscle contraction)
  6. Nausea (feeling of having an urge to vomit)

40-49:

n/a

50-59:

n/a

60+:

n/a

What are the existing conditions these people have? *

  1. Hypersensitivity: 3 people, 21.43%
  2. Pain: 3 people, 21.43%
  3. Infection: 3 people, 21.43%
  4. Sedation: 3 people, 21.43%
  5. Nausea (feeling of having an urge to vomit): 3 people, 21.43%
  6. Nausea And Vomiting: 3 people, 21.43%
  7. Laxative Supportive Care: 2 people, 14.29%
  8. Fever: 2 people, 14.29%
  9. Muscle Spasms (muscle contraction): 2 people, 14.29%
  10. Indigestion: 2 people, 14.29%

* Approximation only. Some reports may have incomplete information.

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Benadryl and Kanuma:

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

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Benadryl:

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 side effects of Kanuma:

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 interactions between Benadryl and drugs from A to Z:

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 interactions between Kanuma and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on diphenhydramine hydrochloride and sebelipase alfa (the active ingredients of Benadryl and Kanuma, respectively), and Benadryl and Kanuma (the brand names). 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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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