Amitriptyline hydrochloride and Viibryd drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Amitriptyline hydrochloride (amitriptyline hydrochloride) and Viibryd (vilazodone hydrochloride). Common drug interactions include abdominal discomfort among females and asthenia among males.

The phase IV clinical study analyzes what interactions people have when they take Amitriptyline hydrochloride and Viibryd. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Amitriptyline hydrochloride?

Amitriptyline hydrochloride has active ingredients of amitriptyline hydrochloride. It is often used in migraine. eHealthMe is studying from 20,054 Amitriptyline hydrochloride users. Check the latest studies of Amitriptyline hydrochloride.

What is Viibryd?

Viibryd has active ingredients of vilazodone hydrochloride. It is often used in depression. eHealthMe is studying from 11,106 Viibryd users. Check the latest studies of Viibryd.



On Aug, 06, 2026

15 people who take Amitriptyline hydrochloride and Viibryd together, and have interactions are studied.

Amitriptyline hydrochloride and Viibryd drug interactions.

What are the common drug interactions of Amitriptyline Hydrochloride and Viibryd, by gender? *:

female:

  1. Abdominal discomfort
  2. Disability
  3. Intervertebral disc protrusion (spinal disc protrusion)
  4. Osteoarthritis (a joint disease caused by cartilage loss in a joint)
  5. Chronic kidney disease
  6. Renal injury (kidney injury)
  7. Accident
  8. Blood pressure increased
  9. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  10. Coeliac disease (simple food intolerance)

male:

  1. Asthenia (weakness)
  2. Burning sensation
  3. Umbilical hernia (an outward bulging (protrusion) of the abdominal lining or part of the abdominal organ(s) through the area around the belly button)
  4. Urinary tract infection
  5. Vertigo
  6. Weight decreased
  7. Erythema (redness of the skin)
  8. Fall
  9. Gait disturbance
  10. Hypertonic bladder (bladder-storage function that causes a sudden urge to urinate)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Asthenia (weakness)
  2. Burning sensation
  3. Erythema (redness of the skin)
  4. Fall
  5. Gait disturbance
  6. Hypertonic bladder (bladder-storage function that causes a sudden urge to urinate)
  7. Muscle spasms (muscle contraction)
  8. Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
  9. Pain
  10. Tremor (trembling or shaking movements in one or more parts of your body)

50-59:

  1. Chronic kidney disease
  2. Renal injury (kidney injury)
  3. Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
  4. Nephrogenic anaemia (anaemia due to kidney disease)
  5. Umbilical hernia (an outward bulging (protrusion) of the abdominal lining or part of the abdominal organ(s) through the area around the belly button)
  6. Weight decreased

60+:

  1. Abdominal discomfort
  2. Blood pressure increased
  3. Sinus disorder (disease of sinus)
  4. Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  5. Coeliac disease (simple food intolerance)
  6. Disability
  7. Drug ineffective
  8. Heart rate decreased
  9. Hospitalisation
  10. Intervertebral disc protrusion (spinal disc protrusion)

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 9 people, 60.00%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 8 people, 53.33%
  3. Drowsiness: 4 people, 26.67%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 20.00%
  5. Neuropathy Peripheral (surface nerve damage): 1 person, 6.67%
  6. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Amitriptyline hydrochloride and Viibryd?

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Related studies:

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

Browse all drug interactions of Amitriptyline hydrochloride and Viibryd:

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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 Amitriptyline 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 side effects of Viibryd:

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 Amitriptyline hydrochloride 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 Viibryd 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on amitriptyline hydrochloride and vilazodone hydrochloride (the active ingredients of Amitriptyline hydrochloride and Viibryd, respectively), and Amitriptyline hydrochloride and Viibryd (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.

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