A study for a 77 year old woman who takes Tizanidine Hydrochloride, Nitrofurantoin Macrocrystalline (an AI-powered real world drug study)

Summary:

4 females aged 77 (±5) who take the same drugs and have adverse effects are studied. This is a phase IV clinical study for a 77 year old female patient who has Muscle Spasm, Urinary Tract Infection. The study is created by eHealthMe based on reports from sources including the FDA.

On Aug, 20, 2026

4 females aged 77 (±5) who take Tizanidine Hydrochloride, Nitrofurantoin Macrocrystalline and have adverse effects are studied.

Number of reports submitted per year:

Tizanidine Hydrochloride, Nitrofurantoin Macrocrystalline for a 77-year old woman.

Information of the patient in this study:

Age: 77
Gender: female

What are the drugs?

Tizanidine hydrochloride has active ingredients of tizanidine hydrochloride. It is often used in muscle spasms. eHealthMe is studying from 7,453 Tizanidine hydrochloride users. Check the latest studies of Tizanidine hydrochloride.
Nitrofurantoin macrocrystalline has active ingredients of nitrofurantoin, macrocrystalline. It is often used in urinary tract infection. eHealthMe is studying from 173 Nitrofurantoin macrocrystalline users. Check the latest studies of Nitrofurantoin macrocrystalline.

What are the conditions?

Muscle spasm is found to be associated with 3,511 drugs and 3,133 conditions by eHealthMe. Check the latest studies of Muscle spasm.
Urinary tract infection is found to be associated with 3,014 drugs and 3,957 conditions by eHealthMe. Check the latest studies of Urinary tract infection.

Common drug interactions *:

Weakness : 4 people, 100.00%
Itching : 3 people, 75.00%
Diarrhea : 3 people, 75.00%
Dyspnea (difficult or laboured breathing): 3 people, 75.00%
Skin Blushing/flushing (a sudden reddening of the face, neck): 3 people, 75.00%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 75.00%
Renal Cell Carcinoma (a kidney cancer): 3 people, 75.00%
Extrasystoles : 3 people, 75.00%
Neck Pain : 3 people, 75.00%
Fall : 3 people, 75.00%
Memory Loss : 3 people, 75.00%
Malaise (a feeling of general discomfort or uneasiness): 3 people, 75.00%
Weight Increased : 2 people, 50.00%
Appetite - Increased (increased appetite is when you want to eat much more often or in larger quantities than your body requires): 2 people, 50.00%
Femur Fracture : 2 people, 50.00%
Hypocalcaemia (levels of calcium in blood serum are abnormally low): 1 person, 25.00%
Cardiac Murmur (an heart sound in valve abnormality): 1 person, 25.00%
Anaemia (lack of blood): 1 person, 25.00%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 1 person, 25.00%
Urinary Tract Infection Pseudomonal : 1 person, 25.00%

Common co-existing conditions *:

You may use this to check any potential undetected conditions.

Hair Loss : 3 people, 75.00%
Neuralgia (pain in one or more nerves): 2 people, 50.00%
Osteoporosis (bones weak and more likely to break): 1 person, 25.00%

Common co-used drugs *:

You may use this to check any potential interacting drugs.

Drug effectiveness *:

Tizanidine Hydrochloride:

n/a

Nitrofurantoin Macrocrystalline:

n/a

* Some reports may have incomplete information.

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.

Related studies

Drug side effects in long term, by gender and age:

Nitrofurantoin macrocrystalline: 173 reports
Tizanidine hydrochloride: 7,453 reports

Treatments, associated medications and conditions:

Muscle spasm: 238,419 reports
Urinary tract infection: 281,659 reports

Drug interactions:

Tizanidine hydrochloride and Nitrofurantoin macrocrystalline drug interaction

How the phase IV clinical study uses the data?

The study is based on gender, age, active ingredients of any drugs used. Other drugs that have the same active ingredients (e.g. generic drugs) are considered. Dosage of drugs is not considered in the study.

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.