Zemplar and Cephalexin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zemplar (paricalcitol) and Cephalexin (cephalexin). Common drug interactions include colonic polyp among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Zemplar and Cephalexin. It is created by eHealthMe based on reports of 54 people who take the same drugs from the FDA, and is updated regularly.

What is Zemplar?

Zemplar has active ingredients of paricalcitol. It is often used in kidney disease. eHealthMe is studying from 15,494 Zemplar users. Check the latest studies of Zemplar.

What is Cephalexin?

Cephalexin has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 30,580 Cephalexin users. Check the latest studies of Cephalexin.



On Jul, 15, 2026

54 people who take Zemplar and Cephalexin together, and have interactions are studied.

Zemplar and Cephalexin drug interactions.

What are the common drug interactions of Zemplar and Cephalexin, by gender? *:

female:

  1. Colonic polyp (extra part of colon tissue grow in intestine)
  2. Conjunctivitis (pink eye)
  3. Constipation
  4. Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
  5. Coronary artery thrombosis (clot formation in coronary artery)
  6. Cough
  7. Cystitis glandularis (forming a timorous lesion with blueberry spots in the urinary bladder)
  8. Deafness
  9. Death
  10. Decreased appetite

male:

  1. Chronic kidney disease
  2. Asthenia (weakness)
  3. Joint range of motion decreased (disease of joint movement)
  4. Joint stiffness
  5. Muscle contracture (a permanent shortening of a muscle)
  6. Nephrogenic systemic fibrosis (involves fibrosis of skin, joints, eyes due to kidney disease)
  7. Oedema (fluid collection in tissue)
  8. Oedema peripheral (superficial swelling)
  9. Pain in extremity
  10. Pain of skin

What are the common drug interactions of Zemplar and Cephalexin, 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. Chronic kidney disease
  2. Hypertension (high blood pressure)
  3. Nausea (feeling of having an urge to vomit)
  4. Nephrogenic anaemia (anaemia due to kidney disease)
  5. Pruritus (severe itching of the skin)
  6. Renal failure (kidney dysfunction)
  7. Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
  8. Urticaria (rash of round, red welts on the skin that itch intensely)
  9. Vomiting

40-49:

  1. Chest discomfort
  2. Chorea (abnormal involuntary movement disorder)
  3. Chronic sinusitis (long lasting inflammation of the paranasal sinuses)
  4. Colonic polyp (extra part of colon tissue grow in intestine)
  5. Confusional state
  6. Conjunctivitis (pink eye)
  7. Constipation
  8. Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
  9. Coronary artery thrombosis (clot formation in coronary artery)
  10. Cough

50-59:

  1. Areflexia (absence of a reflex)
  2. Asthenia (weakness)
  3. Contusion (a type of hematoma of tissue in which capillaries)
  4. Dry skin
  5. Erythema (redness of the skin)
  6. Gait disturbance
  7. Joint contracture (a permanent shortening of a muscle or joint)
  8. Joint range of motion decreased (disease of joint movement)
  9. Joint stiffness
  10. Muscle contracture (a permanent shortening of a muscle)

60+:

  1. Chronic kidney disease
  2. Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
  3. Coagulopathy (blood's ability to clot is impaired)
  4. Erosive oesophagitis (acid reflux disease can cause tissue damage in the oesophagus over time)
  5. Shock haemorrhagic (a life-threatening condition with symptoms like low blood pressure, weakness, shallow breathing, cold, clammy skin due to excess bleeding)
  6. Onychomycosis (fungal infection of the nail)
  7. Upper respiratory tract infection
  8. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  9. Death
  10. Renal haemangioma (kidney tumour filled with blood)

What are the existing conditions these people have? *

  1. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 24 people, 44.44%
  2. High Blood Pressure: 21 people, 38.89%
  3. High Blood Cholesterol: 19 people, 35.19%
  4. Pain: 17 people, 31.48%
  5. Diabetes: 11 people, 20.37%
  6. Fluid Retention (an abnormal accumulation of fluid in the blood): 8 people, 14.81%
  7. Insomnia (sleeplessness): 8 people, 14.81%
  8. Nuclear Magnetic Resonance Imaging Abdominal: 7 people, 12.96%
  9. Gout (uric acid crystals building up in the body): 7 people, 12.96%
  10. Neuralgia (pain in one or more nerves): 6 people, 11.11%

* 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 Zemplar and Cephalexin:

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 Zemplar:

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 Cephalexin:

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 Zemplar 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 Cephalexin 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 paricalcitol and cephalexin (the active ingredients of Zemplar and Cephalexin, respectively), and Zemplar and Cephalexin (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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