Actiq and Swallowing difficulty - a phase IV clinical study of FDA data

Summary:

Swallowing difficulty is reported as a side effect among people who take Actiq (fentanyl citrate), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Albuterol, and have Stress and anxiety.

The phase IV clinical study analyzes which people have Swallowing difficulty when taking Actiq. It is created by eHealthMe based on reports of 27,560 people who have side effects when taking Actiq from the FDA, and is updated regularly.

What is Actiq?

Actiq has active ingredients of fentanyl citrate. It is often used in pain. eHealthMe is studying from 27,583 Actiq users. Check the latest studies of Actiq.

What is Swallowing difficulty?

Swallowing difficulty is found to be associated with 2,403 drugs and 3,350 conditions by eHealthMe. Check the latest studies of Swallowing difficulty.

On Jul, 05, 2026

27,560 people reported to have side effects when taking Actiq.
Among them, 16 people (0.06%) have Swallowing difficulty.

Could Actiq cause Swallowing difficulty?

Among these 16 people:

How long have people been on Actiq when they have Swallowing difficulty? *

What is the gender of people who have Swallowing difficulty when taking Actiq? *

female: 75 %
male: 25 %

What is the age of people who have Swallowing difficulty when taking Actiq? *

What are other drugs people take besides Actiq? *

What are other side effects people have besides Swallowing difficulty? *

Dyspnea (difficult or laboured breathing): 4 people, 25.00%
Chest Pain: 4 people, 25.00%
Nausea And Vomiting: 3 people, 18.75%
Fatigue (feeling of tiredness): 3 people, 18.75%
Speech Impairment (Adult) (inability to speak (adult)): 3 people, 18.75%
Drowsiness: 2 people, 12.50%
Dehydration (dryness resulting from the removal of water): 2 people, 12.50%
Metastases To Peritoneum (cancer spreads to peritoneum): 2 people, 12.50%
Metastases To Pancreas (cancer spreads to pancreas): 2 people, 12.50%
Metastases To Muscle (cancer spreads to muscle): 2 people, 12.50%

What are the existing conditions these people have? *

Stress And Anxiety: 3 people, 18.75%
Torticollis (a twisted neck in which the head is tipped to one side, while the chin is turned to the other): 2 people, 12.50%
Breakthrough Pain: 2 people, 12.50%
Sinus Disorder (disease of sinus): 2 people, 12.50%
Nerve Compression: 2 people, 12.50%
Nerve Block (the interruption of signals travelling along a nerve): 2 people, 12.50%
Musculoskeletal Stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves): 2 people, 12.50%
Muscle Spasms (muscle contraction): 2 people, 12.50%
Lung Cancer - Non-Small Cell (lung cancer): 2 people, 12.50%
Insomnia (sleeplessness): 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Actiq and have Swallowing difficulty?

- Check whether Swallowing difficulty is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Actiq:

Actiq (27,583 reports)

Browse all side effects of Actiq:

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 Swallowing difficulty:

Swallowing difficulty (2,403 drugs)

Browse all the conditions that are associated with Swallowing difficulty:

Swallowing difficulty (3,350 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on fentanyl citrate (the active ingredients of Actiq) and Actiq (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.

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