Cosopt and Amitriptyline hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cosopt (dorzolamide hydrochloride; timolol maleate) and Amitriptyline hydrochloride (amitriptyline hydrochloride). Common drug interactions include drug ineffective among females and renal failure acute among males.

The phase IV clinical study analyzes what interactions people have when they take Cosopt and Amitriptyline hydrochloride. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

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.

What is Amitriptyline hydrochloride?

Amitriptyline hydrochloride has active ingredients of amitriptyline hydrochloride. It is often used in migraine. eHealthMe is studying from 20,054 Amitriptyline hydrochloride users. Check the latest studies of Amitriptyline hydrochloride.



On Jul, 15, 2026

15 people who take Cosopt and Amitriptyline hydrochloride together, and have interactions are studied.

Cosopt and Amitriptyline hydrochloride drug interactions.

What are the common drug interactions of Cosopt and Amitriptyline Hydrochloride, by gender? *:

female:

  1. Drug ineffective
  2. Anaemia (lack of blood)
  3. Faeces discoloured
  4. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  5. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  6. Hypersensitivity
  7. Choroidal detachment (separation of vascular layer of the eye)
  8. Conjunctival bleb (blister of eye covering)
  9. Cyanosis (lack of oxygen in body leads to blue appearance of skin ,mucous membrane nails)
  10. Disease progression

male:

  1. Renal failure acute (rapid kidney dysfunction)
  2. Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
  3. Skin irritation
  4. Muscular weakness (muscle weakness)
  5. Respiratory disorder (respiratory disease)
  6. Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  7. Muscle atrophy (a decrease in the mass of the muscle)
  8. Respiratory failure (inadequate gas exchange by the respiratory system)
  9. Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
  10. Dermatitis allergic (inflammation of the skin due allergic reaction)

What are the common drug interactions of Cosopt and Amitriptyline Hydrochloride, 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:

  1. Cyanosis (lack of oxygen in body leads to blue appearance of skin ,mucous membrane nails)

60+:

  1. Renal failure acute (rapid kidney dysfunction)
  2. Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
  3. Respiratory failure (inadequate gas exchange by the respiratory system)
  4. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  5. Hypersensitivity
  6. Choroidal detachment (separation of vascular layer of the eye)
  7. Conjunctival bleb (blister of eye covering)
  8. Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
  9. Dermatitis allergic (inflammation of the skin due allergic reaction)
  10. Disease progression

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 5 people, 33.33%
  2. Myocardial Ischaemia (the blood flow through one or more of the blood vessels that lead to heart (coronary arteries) is decreased): 4 people, 26.67%
  3. Lower Respiratory Tract Infection: 4 people, 26.67%
  4. Urinary Tract Infection: 2 people, 13.33%
  5. Prostatic Adenoma (prostatic non-cancerous tumour): 2 people, 13.33%
  6. Post Herpetic Neuralgia (neuralgia caused by the varicella zoster virus): 2 people, 13.33%
  7. Rashes (redness): 1 person, 6.67%
  8. Neurotrophic Keratopathy (decreased corneal sensitivity and poor corneal healing): 1 person, 6.67%
  9. Nausea (feeling of having an urge to vomit): 1 person, 6.67%
  10. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

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Related studies:

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

Browse all drug interactions of Cosopt and Amitriptyline hydrochloride:

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 Cosopt:

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 Amitriptyline hydrochloride:

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 Cosopt 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 Amitriptyline hydrochloride 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on dorzolamide hydrochloride; timolol maleate and amitriptyline hydrochloride (the active ingredients of Cosopt and Amitriptyline hydrochloride, respectively), and Cosopt and Amitriptyline hydrochloride (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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