Premarin and Carpine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Premarin (estrogens, conjugated) and Carpine (pilocarpine hydrochloride). Common drug interactions include nausea among females.

The phase IV clinical study analyzes what interactions people have when they take Premarin and Carpine. It is created by eHealthMe based on reports of 77 people who take the same drugs from the FDA, and is updated regularly.

What is Premarin?

Premarin has active ingredients of estrogens, conjugated. It is often used in hormone replacement therapy. eHealthMe is studying from 99,630 Premarin users. Check the latest studies of Premarin.

What is Carpine?

Carpine has active ingredients of pilocarpine hydrochloride. eHealthMe is studying from 5,561 Carpine users. Check the latest studies of Carpine.



On Aug, 11, 2026

77 people who take Premarin and Carpine together, and have interactions are studied.

Premarin and Carpine drug interactions.

What are the common drug interactions of Premarin and Carpine, by gender? *:

female:

  1. Nausea (feeling of having an urge to vomit)
  2. Urinary tract infection
  3. Diarrhoea
  4. Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
  5. Tremor (trembling or shaking movements in one or more parts of your body)
  6. Blood pressure increased
  7. Fatigue (feeling of tiredness)
  8. Gastric bypass
  9. Haemorrhoids (a swollen vein or group of veins in the region of the anus)
  10. Headache (pain in head)

male:

n/a

What are the common drug interactions of Premarin and Carpine, 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. Asthenia (weakness)
  2. Fatigue (feeling of tiredness)
  3. Listless (lack of interest, energy, or spirit)
  4. Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
  5. Pain
  6. Systemic lupus erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue)

40-49:

  1. Gastric bypass
  2. Haemorrhoids (a swollen vein or group of veins in the region of the anus)
  3. Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
  4. Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)
  5. Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
  6. Abnormal behaviour
  7. Aphagia (inability or refusal to swallow)
  8. Balance disorder
  9. Cystitis (inflammation of the wall of the bladder)
  10. Disorientation (disability in which the senses of time, direction, and recognition of people and places)

50-59:

  1. Bone pain
  2. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  3. Malaise (a feeling of general discomfort or uneasiness)
  4. Abscess (pus)
  5. Alopecia (absence of hair from areas of the body)
  6. Aphthous ulcer (mouth ulcer)
  7. C-reactive protein increased
  8. Dyspnoea (difficult or laboured respiration)
  9. Fall
  10. Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)

60+:

  1. Nausea (feeling of having an urge to vomit)
  2. Vomiting
  3. Rectocele (a bulging of the front wall of the rectum into the back wall of the vagina)
  4. Retching (strong involuntary effort to vomit)
  5. Abdominal discomfort
  6. Gait disturbance
  7. Abdominal pain
  8. Back pain
  9. Blood oestrogen decreased
  10. Blood pressure increased

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 22 people, 28.57%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 20 people, 25.97%
  3. Dry Mouth: 9 people, 11.69%
  4. Pain: 9 people, 11.69%
  5. Neuropathy Peripheral (surface nerve damage): 8 people, 10.39%
  6. Neuralgia (pain in one or more nerves): 7 people, 9.09%
  7. High Blood Cholesterol: 7 people, 9.09%
  8. Depression: 6 people, 7.79%
  9. Itching: 6 people, 7.79%
  10. Dizziness: 6 people, 7.79%

* Approximation only. Some reports may have incomplete information.

Do you take Premarin and Carpine?

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Related studies:

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

Browse all drug interactions of Premarin and Carpine:

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 Premarin:

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 Carpine:

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 Premarin 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 Carpine 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 estrogens, conjugated and pilocarpine hydrochloride (the active ingredients of Premarin and Carpine, respectively), and Premarin and Carpine (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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