Zyrtec and Transderm scop drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zyrtec (cetirizine hydrochloride) and Transderm scop (scopolamine). Common drug interactions include myalgia among females and therapeutic response unexpected among males.

The phase IV clinical study analyzes what interactions people have when they take Zyrtec and Transderm scop. It is created by eHealthMe based on reports of 72 people who take the same drugs from the FDA, and is updated regularly.

What is Zyrtec?

Zyrtec has active ingredients of cetirizine hydrochloride. It is often used in allergies. eHealthMe is studying from 114,619 Zyrtec users. Check the latest studies of Zyrtec.

What is Transderm scop?

Transderm scop has active ingredients of scopolamine. It is often used in motion sickness. eHealthMe is studying from 3,011 Transderm scop users. Check the latest studies of Transderm scop.

On Jul, 07, 2026

72 people who take Zyrtec and Transderm scop together, and have interactions are studied.

Zyrtec and Transderm scop drug interactions.

What are the common drug interactions of Zyrtec and Transderm Scop, by gender? *:

female:

Myalgia (muscle pain)
Pruritus (severe itching of the skin)
Therapeutic response unexpected
Abdominal discomfort
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Cerebrospinal fluid leakage
Confusional state
Death
Drug hypersensitivity
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)

male:

Therapeutic response unexpected
Ascites (accumulation of fluid in the abdominal cavity)
Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
Hepatic failure (liver failure)
Hypotension (abnormally low blood pressure)
Ileus (a painful obstruction of the ileum or other part of the intestine)
Klebsiella infection
Livedo reticularis (a lace-like purplish discoloration of the skin)
Pancreatitis (inflammation of pancreas)
Pleural effusion (water on the lungs)

What are the common drug interactions of Zyrtec and Transderm Scop, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Cough
Dry eye (lack of adequate tears)
Head discomfort
Sinusitis (inflammation of sinus)
Drug hypersensitivity
Abdominal discomfort
Application site burn
Application site discolouration
Application site erythema (redness of the skin at application site)
Application site exfoliation (application site removal of the oldest dead skin cells on the skin's outermost surface)

30-39:

Anxiety
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Arrhythmia (irregular heartbeat)
Arthralgia (joint pain)
Asthenia (weakness)
Emotional distress
Headache (pain in head)
Hypoaesthesia (reduced sense of touch or sensation)
Hypophosphataemia (electrolyte disturbance in which there is an abnormally low level of phosphate in the blood)
Muscle spasms (muscle contraction)

40-49:

Anxiety
Arrhythmia (irregular heartbeat)
Cardiac flutter (abnormal heart rhythm)
Crying
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Dry mouth
Feeling drunk
Irritability
Lethargy (tiredness)

50-59:

Malaise (a feeling of general discomfort or uneasiness)
Malignant melanoma (skin cancer rises from melancytes)
Memory impairment
Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition)
Mobility decreased (ability to move is reduced)
Mood swings (an extreme or rapid change in mood)
Muscle spasms (muscle contraction)
Muscular weakness (muscle weakness)
Myalgia (muscle pain)
Myositis (inflammation of the muscles)

60+:

Erythema (redness of the skin)
Haemorrhage intracranial (bleeding within the skull)
Faeces discoloured
Hallucination (an experience involving the perception of something not present)
Headache (pain in head)
Impaired reasoning
Initial insomnia (feeling of inadequate or poor-quality sleep)
Malaise (a feeling of general discomfort or uneasiness)
Memory impairment
Nausea (feeling of having an urge to vomit)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 31 people, 43.06%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 18 people, 25.00%
Pain: 14 people, 19.44%
Nausea (feeling of having an urge to vomit): 8 people, 11.11%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 7 people, 9.72%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 7 people, 9.72%
Hypersensitivity: 6 people, 8.33%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 8.33%
Depression: 5 people, 6.94%
Fibromyalgia (a long-term condition which causes pain all over the body): 5 people, 6.94%

* Approximation only. Some reports may have incomplete information.

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