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

Summary:

Drug interactions are reported among people who take Sudafed (pseudoephedrine hydrochloride) and Vesicare (solifenacin succinate). Common drug interactions include depression among females and fatigue among males.

The phase IV clinical study analyzes what interactions people have when they take Sudafed and Vesicare. It is created by eHealthMe based on reports of 47 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 Vesicare?

Vesicare has active ingredients of solifenacin succinate. It is often used in urge incontinence. eHealthMe is studying from 30,656 Vesicare users. Check the latest studies of Vesicare.



On Jul, 10, 2026

47 people who take Sudafed and Vesicare together, and have interactions are studied.

Sudafed and Vesicare drug interactions.

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

female:

  1. Depression
  2. Diplopia (double vision)
  3. Dyspepsia (indigestion)
  4. Emotional distress
  5. Erythema (redness of the skin)
  6. Flushing (the warm, red condition of human skin)
  7. Fungal skin infection
  8. Haematoma (collection of blood outside the blood vessels)
  9. Hypoacusis (loss of hearing)
  10. Impaired driving ability

male:

  1. Fatigue (feeling of tiredness)
  2. Nausea (feeling of having an urge to vomit)
  3. Headache (pain in head)
  4. Liver abscess (pus in liver)
  5. Pneumonia
  6. Psychotic disorder
  7. Vomiting
  8. Weight decreased
  9. White blood cell count increased
  10. Decreased activity

What are the common drug interactions of Sudafed and Vesicare, 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. Attention deficit/hyperactivity disorder
  2. Dizziness
  3. Haemorrhoids (a swollen vein or group of veins in the region of the anus)
  4. Incision site pain
  5. Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
  6. Paresis anal sphincter (a condition of muscular weakness of anal sphincter)
  7. Postoperative wound infection
  8. Rectal polyp (fleshy growth occurring on the lining of the colon)
  9. Rectal prolapse (falling of rectum from normal place)
  10. Tremor (trembling or shaking movements in one or more parts of your body)

40-49:

  1. Diarrhoea
  2. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  3. Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
  4. Diplopia (double vision)
  5. Ear infection
  6. Headache (pain in head)
  7. Hyperhidrosis (abnormally increased sweating)
  8. Impaired driving ability
  9. Impaired work ability
  10. Photophobia (extreme sensitivity to light)

50-59:

  1. Pruritus generalised (generalized itching)
  2. Urticaria (rash of round, red welts on the skin that itch intensely)
  3. Vomiting
  4. Headache (pain in head)
  5. Injection site erythema (redness at injection site)
  6. Nausea (feeling of having an urge to vomit)
  7. Pruritus (severe itching of the skin)
  8. Cough
  9. Diarrhoea
  10. Drug hypersensitivity

60+:

  1. Fatigue (feeling of tiredness)
  2. Dysgeusia (disorder of the sense of taste)
  3. Drug ineffective
  4. Dry mouth
  5. Facial bones fracture (bone fracture of face)
  6. Liver abscess (pus in liver)
  7. Pneumonia
  8. Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
  9. Psychotic disorder
  10. Tobacco user

What are the existing conditions these people have? *

  1. Urinary Incontinence (inability to control the flow of urine and involuntary urination): 8 people, 17.02%
  2. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 6 people, 12.77%
  3. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 12.77%
  4. Parkinson's Disease: 5 people, 10.64%
  5. Muscle Spasms (muscle contraction): 5 people, 10.64%
  6. Immunodeficiency Common Variable: 5 people, 10.64%
  7. Seasonal Allergy (allergic condition due to certain season): 4 people, 8.51%
  8. Pain: 4 people, 8.51%
  9. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 8.51%
  10. Automatic Bladder (nerve impulses between the bladder and the spinal cord remain intact and the bladder can be trained to empty by reflex (spastic) action): 4 people, 8.51%

* Approximation only. Some reports may have incomplete information.

Do you take Sudafed and Vesicare?

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Related studies:

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

Browse all drug interactions of Sudafed and Vesicare:

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 Vesicare:

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 Vesicare 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 solifenacin succinate (the active ingredients of Sudafed and Vesicare, respectively), and Sudafed and Vesicare (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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