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Sudafed and Fareston drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Sudafed (pseudoephedrine hydrochloride) and Fareston (toremifene citrate). Common drug interactions include carotid artery stenosis among females and chest pain among males.

The phase IV clinical study analyzes what interactions people have when they take Sudafed and Fareston. It is created by eHealthMe based on reports of 24 people who take the same drugs from the FDA, and is updated regularly.

What is Sudafed?

Sudafed has active ingredients of pseudoephedrine hydrochloride. It is often used in nasal congestion. eHealthMe is studying from 12,944 Sudafed users. Check the latest studies of Sudafed.

What is Fareston?

Fareston has active ingredients of toremifene citrate. eHealthMe is studying from 759 Fareston users. Check the latest studies of Fareston.

On Jul, 20, 2026

24 people who take Sudafed and Fareston together, and have interactions are studied.

Sudafed and Fareston drug interactions.

What are the common drug interactions of Sudafed and Fareston, by gender? *:

female:

  1. Carotid artery stenosis (narrowing of carotid artery)
  2. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  3. Dilatation ventricular
  4. Dysgeusia (disorder of the sense of taste)
  5. Dysphagia (a condition in which swallowing is difficult or painful)
  6. Fistula (an abnormal connection or passageway between two)
  7. Gingival bleeding (bleeding gums)
  8. Hepatic cyst
  9. Impaired healing
  10. Inflammation

male:

  1. Chest pain
  2. Abdominal discomfort
  3. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  4. Arthropathy
  5. Back pain
  6. Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
  7. Blood pressure systolic increased
  8. Bone disorder
  9. Breast cancer metastatic
  10. Breast cancer recurrent

What are the common drug interactions of Sudafed and Fareston, 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. Upper limb fracture
  2. Oral pain
  3. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  4. Cough
  5. Hydronephrosis (water inside the kidney)
  6. Mastitis (inflammation of breast)
  7. Vision blurred
  8. Vitreous floaters (spots before the eyes)
  9. Gingival ulceration (ulcer on gums)
  10. Hypercholesterolaemia (high levels of cholesterol in the blood)

50-59:

  1. Abdominal pain
  2. Abdominal pain upper
  3. Dysphagia (a condition in which swallowing is difficult or painful)
  4. Fistula (an abnormal connection or passageway between two)
  5. Gingival bleeding (bleeding gums)
  6. Gingival disorder (gum disease)
  7. Hepatic cyst
  8. Impaired healing
  9. Inflammation
  10. Mastitis (inflammation of breast)

60+:

n/a

* Approximation only. Some reports may have incomplete information.

Do you take Sudafed and Fareston?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

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

Browse all drug interactions of Sudafed and Fareston:

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 Sudafed:

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 Fareston:

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 Sudafed 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 Fareston 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 pseudoephedrine hydrochloride and toremifene citrate (the active ingredients of Sudafed and Fareston, respectively), and Sudafed and Fareston (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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