Hydramine and Pentoxifylline drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Hydramine (diphenhydramine hydrochloride) and Pentoxifylline (pentoxifylline). Common drug interactions include infusion site haemorrhage among females and gastrooesophageal reflux disease among males.

The phase IV clinical study analyzes what interactions people have when they take Hydramine and Pentoxifylline. It is created by eHealthMe based on reports of 83 people who take the same drugs from the FDA, and is updated regularly.

What is Hydramine?

Hydramine has active ingredients of diphenhydramine hydrochloride. It is often used in insomnia. eHealthMe is studying from 114,900 Hydramine users. Check the latest studies of Hydramine.

What is Pentoxifylline?

Pentoxifylline has active ingredients of pentoxifylline. eHealthMe is studying from 5,997 Pentoxifylline users. Check the latest studies of Pentoxifylline.



On Jul, 11, 2026

83 people who take Hydramine and Pentoxifylline together, and have interactions are studied.

Hydramine and Pentoxifylline drug interactions.

What are the common drug interactions of Hydramine and Pentoxifylline, by gender? *:

female:

  1. Infusion site haemorrhage (bleeding from infusion site)
  2. Quality of life decreased
  3. Renal failure (kidney dysfunction)
  4. Renal transplant
  5. Infection
  6. Drug ineffective
  7. Infusion related reaction
  8. Infusion site erythema (reddening of the skin at infusion site)
  9. Infusion site swelling
  10. Injection site extravasation (flow of (blood or lymph) from injection site)

male:

  1. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  2. Skin ulcer
  3. Musculoskeletal chest pain (pain in chest muscle or nerve or bones)
  4. Oesophageal dilatation (enlarged oesophagus)
  5. Oral candidiasis (fungal infection of mouth)
  6. Osteoporosis (bones weak and more likely to break)
  7. Pneumonia
  8. Pneumonitis (inflammation of the walls of the alveoli in the lungs)
  9. Pulmonary function test decreased
  10. Rales (an abnormal respiratory sound characterized by fine crackles)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  2. Anxiety
  3. Decreased activity
  4. Emotional distress
  5. Fatigue (feeling of tiredness)
  6. Pain
  7. Quality of life decreased
  8. Renal failure (kidney dysfunction)
  9. Renal transplant

40-49:

  1. Renal failure (kidney dysfunction)
  2. Pain
  3. Chronic kidney disease
  4. Alanine aminotransferase increased
  5. Aspartate aminotransferase increased
  6. Herpes zoster
  7. Palpitations (feelings or sensations that your heart is pounding or racing)
  8. Rash
  9. Weight increased
  10. Anhedonia (inability to experience pleasure from activities usually found enjoyable)

50-59:

  1. Abdominal pain
  2. Chest pain
  3. Disease progression
  4. Fibrosis (formation of excess fibrous connective tissue in an organ or tissue)
  5. Flatulence (flatus expelled through the anus)
  6. Interstitial lung disease
  7. Pain
  8. Scleroderma (hard skin)
  9. Total lung capacity decreased
  10. Wheezing (a high-pitched whistling sound made while you breath)

60+:

  1. Breast cancer stage i
  2. Malaise (a feeling of general discomfort or uneasiness)
  3. Infusion site haemorrhage (bleeding from infusion site)
  4. Asthenia (weakness)
  5. Infusion related reaction
  6. Injection site extravasation (flow of (blood or lymph) from injection site)
  7. Injection site reaction
  8. Injection site thrombosis (injection site blood clotting)
  9. Upper respiratory tract infection
  10. Acute myocardial infarction (acute heart attack)

What are the existing conditions these people have? *

  1. Interstitial Lung Disease: 17 people, 20.48%
  2. Systemic Sclerosis (Scleroderma) (an autoimmune or connective tissue disease. it is characterized by thickening of the skin): 16 people, 19.28%
  3. Immunodeficiency Common Variable: 12 people, 14.46%
  4. Raynaud's Phenomenon (discoloration of the fingers, toes, and occasionally other areas): 11 people, 13.25%
  5. Pain: 7 people, 8.43%
  6. Type 2 Diabetes: 5 people, 6.02%
  7. Nausea (feeling of having an urge to vomit): 5 people, 6.02%
  8. Multiple Myeloma (cancer of the plasma cells): 5 people, 6.02%
  9. Infection: 5 people, 6.02%
  10. Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 5 people, 6.02%

* Approximation only. Some reports may have incomplete information.

Do you take Hydramine and Pentoxifylline?

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Related studies:

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

Browse all drug interactions of Hydramine and Pentoxifylline:

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 Hydramine:

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 Pentoxifylline:

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 Hydramine 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 Pentoxifylline 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 diphenhydramine hydrochloride and pentoxifylline (the active ingredients of Hydramine and Pentoxifylline, respectively), and Hydramine and Pentoxifylline (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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