Diphen and Linagliptin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Diphen (diphenhydramine hydrochloride) and Linagliptin (linagliptin). Common drug interactions include eosinophil count increased among females and blood pressure increased among males.

The phase IV clinical study analyzes what interactions people have when they take Diphen and Linagliptin. It is created by eHealthMe based on reports of 81 people who take the same drugs from the FDA, and is updated regularly.

What is Diphen?

Diphen has active ingredients of diphenhydramine hydrochloride. It is often used in insomnia. eHealthMe is studying from 115,432 Diphen users. Check the latest studies of Diphen.

What is Linagliptin?

Linagliptin has active ingredients of linagliptin. eHealthMe is studying from 8,112 Linagliptin users. Check the latest studies of Linagliptin.



On Aug, 05, 2026

81 people who take Diphen and Linagliptin together, and have interactions are studied.

Diphen and Linagliptin drug interactions.

What are the common drug interactions of Diphen and Linagliptin, by gender? *:

female:

  1. Eosinophil count increased
  2. Episcleritis (acute inflammatory disorder of the episclera of eye)
  3. Hyperglycaemia (high blood sugar)
  4. Hyperthyroidism (over activity of the thyroid gland)
  5. Hypoglycaemia (deficiency of glucose in the bloodstream)
  6. Mean cell haemoglobin concentration decreased (less concentration of haemoglobin in a given volume of packed red blood cells)
  7. Mean cell volume decreased (less of the average red blood cell volume)
  8. Monocyte count increased
  9. Neutrophil count increased (excess than normal number of neutrophil a type of blood cell)
  10. Oedema (fluid collection in tissue)

male:

  1. Blood pressure increased
  2. Weight decreased
  3. Chronic kidney disease
  4. Clostridium test positive
  5. Constipation
  6. Decreased appetite
  7. Discomfort
  8. Gallbladder disorder
  9. Haemoglobin increased
  10. Hernia (hernia happens when part of an internal organ or tissue bulges through a weak area of muscle)

What are the common drug interactions of Diphen and Linagliptin, 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. Abdominal pain upper
  2. Abnormal behaviour
  3. Aggression
  4. Agitation (state of anxiety or nervous excitement)
  5. Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
  6. Anxiety
  7. Asthenia (weakness)
  8. Back pain
  9. Blood glucose decreased
  10. Blood pressure fluctuation

50-59:

  1. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  2. Haematuria (presence of blood in urine)
  3. Radiculopathy (a set of conditions in which one or more nerves is affected and does not work properly)
  4. Spinal compression fracture (fracture due to spinal compression on bone)
  5. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  6. Anxiety
  7. Chronic kidney disease
  8. Emotional distress
  9. Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
  10. Pain

60+:

  1. Dyspnoea (difficult or laboured respiration)
  2. Arthralgia (joint pain)
  3. Blood pressure systolic increased
  4. Contusion (a type of hematoma of tissue in which capillaries)
  5. Cushingoid (obesity and weakening of the muscles)
  6. Dehydration (dryness resulting from the removal of water)
  7. Diabetic ketoacidosis (diabetic ketoacidosis (dka) is high concentrations of ketone bodies)
  8. Eosinophil count increased
  9. Episcleritis (acute inflammatory disorder of the episclera of eye)
  10. Hyperglycaemia (high blood sugar)

What are the existing conditions these people have? *

  1. High Blood Pressure: 16 people, 19.75%
  2. Diabetes: 12 people, 14.81%
  3. Vasculitis (inflammation of a blood vessel or blood vessels): 11 people, 13.58%
  4. Constipation: 8 people, 9.88%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 8.64%
  6. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 7.41%
  7. Pain: 6 people, 7.41%
  8. Gout (uric acid crystals building up in the body): 6 people, 7.41%
  9. Back Pain: 6 people, 7.41%
  10. Ankylosing Spondylitis (type of arthritis affecting the spine): 6 people, 7.41%

* 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 Diphen and Linagliptin:

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 Diphen:

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 Linagliptin:

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 Diphen 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 Linagliptin 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 linagliptin (the active ingredients of Diphen and Linagliptin, respectively), and Diphen and Linagliptin (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.

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



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