Spiriva respimat and Cosopt drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Spiriva respimat (tiotropium bromide) and Cosopt (dorzolamide hydrochloride; timolol maleate). Common drug interactions include alopecia among females and myocarditis among males.

The phase IV clinical study analyzes what interactions people have when they take Spiriva respimat and Cosopt. It is created by eHealthMe based on reports of 11 people who take the same drugs from the FDA, and is updated regularly.

What is Spiriva respimat?

Spiriva respimat has active ingredients of tiotropium bromide. It is often used in chronic obstructive pulmonary disease. eHealthMe is studying from 9,788 Spiriva respimat users. Check the latest studies of Spiriva respimat.

What is Cosopt?

Cosopt has active ingredients of dorzolamide hydrochloride; timolol maleate. It is often used in glaucoma. eHealthMe is studying from 9,029 Cosopt users. Check the latest studies of Cosopt.

On Jul, 17, 2026

11 people who take Spiriva respimat and Cosopt together, and have interactions are studied.

Spiriva respimat and Cosopt drug interactions.

What are the common drug interactions of Spiriva Respimat and Cosopt, by gender? *:

female:

Alopecia (absence of hair from areas of the body)
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Arthralgia (joint pain)
Asthenia (weakness)
Chest discomfort
Contusion (a type of hematoma of tissue in which capillaries)
Depression
Diarrhoea
Diplopia (double vision)
Disturbance in attention

male:

Myocarditis (inflammation of heart muscle myocardium)
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Eye disorder
Eye pain
Eye swelling
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Hidradenitis (chronic disease of a type of sweat gland)
Ocular hyperaemia (an abnormally large amount of blood in eye)
Rash
Wound infection

What are the common drug interactions of Spiriva Respimat and Cosopt, 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:

n/a

50-59:

n/a

60+:

Myocarditis (inflammation of heart muscle myocardium)
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Contusion (a type of hematoma of tissue in which capillaries)
Depression
Diarrhoea
Diplopia (double vision)
Disturbance in attention
Dizziness
Dry mouth
Dysgeusia (disorder of the sense of taste)

What are the existing conditions these people have? *

Lung Cancer - Non-Small Cell (lung cancer): 5 people, 45.45%
Nausea (feeling of having an urge to vomit): 4 people, 36.36%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 27.27%
High Blood Cholesterol: 3 people, 27.27%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 18.18%
Pain: 2 people, 18.18%
Constipation: 2 people, 18.18%
Iron Deficiency: 2 people, 18.18%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 2 people, 18.18%
Wound Infection: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

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