Avonex and Tofranil drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Avonex (interferon beta 1a) and Tofranil (imipramine hydrochloride). Common drug interactions include memory impairment among females and carcinoid tumour of the stomach among males.
The phase IV clinical study analyzes what interactions people have when they take Avonex and Tofranil. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.
What is Avonex?
Avonex has active ingredients of interferon beta 1a. It is often used in multiple sclerosis. eHealthMe is studying from 198,544 Avonex users. Check the latest studies of Avonex.
What is Tofranil?
Tofranil has active ingredients of imipramine hydrochloride. It is often used in depression. eHealthMe is studying from 2,012 Tofranil users. Check the latest studies of Tofranil.
22 people who take Avonex and Tofranil together, and have interactions are studied.

What are the common drug interactions of Avonex and Tofranil, by gender? *:
female:
- Memory impairment
- Insomnia (sleeplessness)
- Alopecia (absence of hair from areas of the body)
- Ankle fracture
- Arthritis (form of joint disorder that involves inflammation of one or more joints)
- Balance disorder
- Blood glucose increased
- Confusional state
- Corneal ulcer
- Drug ineffective
male:
- Carcinoid tumour of the stomach
- Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
- Diarrhoea
- Extranodal marginal zone b-cell lymphoma (malt type) (cancer originating from b cells in the marginal zone of the malt)
- Gastrointestinal disorder (functional problems of gastrointestinal tract)
- Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
- Nephrolithiasis (calculi in the kidneys)
- Pneumonia
- Sinusitis (inflammation of sinus)
- Vomiting
What are the common drug interactions of Avonex and Tofranil, by age (0-1 to 60+)? *:
0-1:
n/a
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
- Hypersensitivity
- Pharyngitis (inflammation of the pharynx, causing a sore throat)
- Pulmonary embolism (blockage of the main artery of the lung)
40-49:
- Ankle fracture
- Balance disorder
- Fall
- Head injury
- Injection site pain
- Muscle spasms (muscle contraction)
- Pregnancy
- Tremor (trembling or shaking movements in one or more parts of your body)
- Drug exposure during pregnancy
50-59:
- Memory impairment
- Alopecia (absence of hair from areas of the body)
- Arthritis (form of joint disorder that involves inflammation of one or more joints)
- Corneal ulcer
- Dysstasia (difficulty in standing)
- Haemorrhage (bleeding)
- Muscular weakness (muscle weakness)
- Osteoporosis (bones weak and more likely to break)
- Uhthoff's phenomenon (heat intolerance)
- Urinary tract infection
60+:
- Carcinoid tumour of the stomach
- Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
- Diarrhoea
- Extranodal marginal zone b-cell lymphoma (malt type) (cancer originating from b cells in the marginal zone of the malt)
- Gastrointestinal disorder (functional problems of gastrointestinal tract)
- Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
- Nephrolithiasis (calculi in the kidneys)
- Pneumonia
- Sinusitis (inflammation of sinus)
- Vomiting
* Approximation only. Some reports may have incomplete information.
Do you take Avonex and Tofranil?
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Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
Browse all drug interactions of Avonex and Tofranil:
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 zSub-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 Avonex:
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 zBrowse all side effects of Tofranil:
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 zBrowse all interactions between Avonex 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 zBrowse all interactions between Tofranil 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 zHow the study uses the data?
The study uses data from the FDA. It is based on interferon beta 1a and imipramine hydrochloride (the active ingredients of Avonex and Tofranil, respectively), and Avonex and Tofranil (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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