Doxycycline and Ranolazine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Doxycycline (doxycycline hyclate) and Ranolazine (ranolazine). Common drug interactions include speech disorder among females and agitation among males.

The phase IV clinical study analyzes what interactions people have when they take Doxycycline and Ranolazine. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Doxycycline?

Doxycycline has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 60,866 Doxycycline users. Check the latest studies of Doxycycline.

What is Ranolazine?

Ranolazine has active ingredients of ranolazine. eHealthMe is studying from 9,939 Ranolazine users. Check the latest studies of Ranolazine.



On Apr, 23, 2026

34 people who take Doxycycline and Ranolazine together, and have interactions are studied.

Doxycycline and Ranolazine drug interactions.

What are the common drug interactions of Doxycycline and Ranolazine, by gender? *:

female:

  1. Speech disorder
  2. Subarachnoid haemorrhage (blood leaks into the space between two membranes that surround the brain)
  3. Subdural haematoma (blood collects between the skull and the surface of the brain)
  4. Syncope (loss of consciousness with an inability to maintain postural tone)
  5. Tachycardia (a heart rate that exceeds the range of 100 beats/min)
  6. Tardive dyskinesia (a disorder that involves involuntary movements)
  7. Tibia fracture (fracture of lower leg bone)
  8. Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
  9. Tremor (trembling or shaking movements in one or more parts of your body)
  10. Urinary tract infection

male:

  1. Agitation (state of anxiety or nervous excitement)
  2. Chest pain
  3. Asthenia (weakness)
  4. Chronic kidney disease
  5. Death
  6. Pain
  7. Renal failure (kidney dysfunction)
  8. Renal impairment (severely reduced kidney function)
  9. Arthralgia (joint pain)
  10. Balance disorder

What are the common drug interactions of Doxycycline and Ranolazine, 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. Dysarthria (speech disorder)
  2. Facial paralysis (loss of function of face muscle)
  3. Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)
  4. Muscular weakness (muscle weakness)
  5. Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
  6. Pyelonephritis (inflammation of kidney caused by bacteria)
  7. Pyrexia (fever)
  8. Urinary tract infection
  9. Confusional state

50-59:

  1. Asthma
  2. Chest pain
  3. Dyspnoea (difficult or laboured respiration)
  4. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  5. Chronic kidney disease
  6. Renal failure (kidney dysfunction)
  7. Renal impairment (severely reduced kidney function)
  8. Renal injury (kidney injury)
  9. Hypersensitivity

60+:

  1. Pain in extremity
  2. Vasculitis (inflammation of a blood vessel or blood vessels)
  3. Dehydration (dryness resulting from the removal of water)
  4. Dizziness
  5. Fall
  6. Neuropathy peripheral (surface nerve damage)
  7. Asthenia (weakness)
  8. Pain
  9. Abdominal discomfort
  10. Abdominal pain upper

What are the existing conditions these people have? *

  1. Stable Angina (a constant chest pain): 4 people, 11.76%
  2. Pain: 3 people, 8.82%
  3. Asthma: 3 people, 8.82%
  4. The Flu (the flu is caused by an influenza virus): 2 people, 5.88%
  5. Pancreatic Neuroendocrine Tumor: 2 people, 5.88%
  6. Nasopharyngitis (inflammation of the nasopharynx): 2 people, 5.88%
  7. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 5.88%
  8. High Blood Pressure: 2 people, 5.88%
  9. Heart Rate Irregular: 2 people, 5.88%
  10. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 5.88%

* 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 Doxycycline and Ranolazine:

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 Doxycycline:

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 Ranolazine:

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 Doxycycline 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 Ranolazine 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 doxycycline hyclate and ranolazine (the active ingredients of Doxycycline and Ranolazine, respectively), and Doxycycline and Ranolazine (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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