Jencycla side effects by duration, gender and age - a phase IV clinical study of FDA data
Summary:
Side effects are reported by people who take Jencycla. Common side effects include animal bite among females, and choking among males.
The phase IV clinical study is created by eHealthMe based on 80 reports 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 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
80 people who take Jencycla and have side effects are studied.
What is Jencycla?
Jencycla has active ingredients of norethindrone. Currently, eHealthMe is studying from 86 Jencycla users.
Number of Jencycla reports submitted per year:

Jencycla side effects by time on the drug*:
< 1 month:
- Abdominal pain
- Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
1 - 6 months:
- Asthenia (weakness)
- Bronchitis chronic (inflammation of the mucous membrane in the bronchial tubes- chronic)
- Cystitis (inflammation of the wall of the bladder)
6 - 12 months:
- Essential thrombocythaemia (chronic blood cancer)
- Rash
1 - 2 years:
n/a
2 - 5 years:
n/a
5 - 10 years:
n/a
10+ years:
n/a
not specified:
- Arthralgia (joint pain)
- Back pain
- Breast pain
- Choking (mechanical obstruction of the flow of air from the environment into the lungs)
- Coeliac disease (simple food intolerance)
- Depression
- Diarrhoea
- Drug ineffective
- Dysphagia (condition in which swallowing is difficult or painful)
- Feeling abnormal
Jencycla side effects by gender *:
female:
- Animal bite
- Dysphagia (condition in which swallowing is difficult or painful)
- Feeling abnormal
- Migraine (headache)
- Rash
- Abdominal discomfort
- Abdominal pain
- Acoustic neuroma (primary intracranial tumour)
- Agitation (state of anxiety or nervous excitement)
- Blood immunoglobulin e increased
male:
- Choking (mechanical obstruction of the flow of air from the environment into the lungs)
Jencycla side effects by age (0-1 to 60+) *:
0-1:
n/a
2-9:
n/a
10-19:
- Dysphagia (condition in which swallowing is difficult or painful)
20-29:
- Abdominal pain upper
- Migraine (headache)
- Agitation (state of anxiety or nervous excitement)
- Breast pain
- Disturbance in attention
- Feeling abnormal
- Sinusitis (inflammation of sinus)
30-39:
- Animal bite
- Abdominal pain
- Abdominal pain upper
- Asthenia (weakness)
- Bruxism (habitual grinding of the teeth, typically during sleep)
- Essential thrombocythaemia (chronic blood cancer)
- Food poisoning (poison in food)
- Kidney infection
- Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
40-49:
- Back pain
- Choking (mechanical obstruction of the flow of air from the environment into the lungs)
- Rash
- Abdominal discomfort
- Asthenia (weakness)
- Bronchitis chronic (inflammation of the mucous membrane in the bronchial tubes- chronic)
- Hypokalaemia (low potassium)
- Pain
- Poor quality sleep
50-59:
n/a
60+:
n/a
* Approximation only. Some reports may have incomplete information.
Do you take Jencycla?
Personalize this study to your gender and ageHow 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.
How the study uses the data?
The study is based on norethindrone (the active ingredients of Jencycla) and Jencycla (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered.
Related studies
Alternative drugs to, pros and cons of Jencycla:
- Jencycla (86 reports)
All Jencycla side effects from A to Z:
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