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Tropicamide

Tropicamide

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By Medicover Hospitals / 23 Feb 2021
Home | Medicine | Tropicamide
  • Tropicamide has an anticholinergic property and is a synthetic muscarinic antagonist with actions similar to atropine. Tropicamide blocks the muscarinic receptors in the sphincter and ciliary muscle in the eye upon ocular administration. This inhibits cholinergic stimulus responses, causing pupil dilation and ciliary muscle paralysis. Tropicamide is a diagnostic agent which is used for producing short-duration mydriasis and cycloplegia.
  • Tropicamide stimulates the relaxation of the muscles in the eye. This dilates (widens) the pupil so that when your doctor shines an exam light into your eye, it does not respond (narrow). The ophthalmic tropicamide (for the eyes) is used for an eye test or other medical treatment to dilate the pupil.
    1. Tropicamide Uses
    2. Tropicamide Side effects
    3. Precautions
    4. Tropicamide vs Atropine
    5. Frequently Asked Questions
    6. Citations

    Tropicamide Uses:

  • Tropicamide medication is used for widening the pupil of the eye in preparation for certain eye examinations. This belongs to the class of drugs which is known as anticholinergics. The medication works by relaxing certain eye muscles.
  • Tropicamide Side effects:

  • Some of the common side effects of Tropicamide are:
    • Blurred vision
    • Mild stinging of eyes
    • Eyes can be more sensitive to lights
    • Dry mouth
    • Headache
  • Some of the serious side effects of Tropicamide are:
    • Irregular heartbeat
    • Shortness of breath
    • Feeling light-headed
  • Mostly, the doctor will provide medicines looking at the benefit and their side effects. Many people who are using this medication won’t show any serious side effects. Consult with your doctor if you are having any serious side effects such as Eyes swelling, Irregular heartbeat and Muscle stiffness.
  • Precautions:

  • Before using Tropicamide talk with your doctor if you are allergic to it or any other medications. The product may contain some inactive ingredients which can cause some serious allergic reaction or other serious problems.
  • Before using the medications talk with your doctor if you are having any medical history such as Glaucoma, High blood pressure, overactive thyroid, Diabetes, Heart disease, Down syndrome, brain damage and spastic paralysis.
  • How to use Tropicamide?:

  • For applying the eye drops wash your hands first. To avoid any contamination avoid touching the dropper tip or let it touch your eyes or any other surface.
  • If you are wearing any contact lenses, remove them before using the medication. Ask the doctor when you should remove your contact lenses.
  • Tilt your head back, look upward and pull down the lower eyelid for making a pouch. Hold the dropper directly over the eye and place 1 or 2 drops in the pouch. The medication should be used 15 to 20 minutes before an eye examination or as directed by the doctor. Look downward and gently close the eyes for atleast 1 to 2 minutes. Place atleast one finger at the corner of the eye and apply gentle pressure for atleast 2 to 3 minutes. It will prevent the medication from draining out and being absorbed by the body. Avoid blinking or rubbing your eyes. If you are using any other eye medications wait for 5 to 10 minutes before applying any other medications. Use the eye drops before applying eye ointments for allowing the drops to enter the eye.
  • Missed Dose

  • Since tropicamide ophthalmic is usually administered only during an eye test, you are not likely to be on a dosing schedule. Apply the missing dose as soon as you recall, if you are on a schedule. If it is almost time for your next dose, skip the missed dose. Avoid using extra dose to make up for the missed dose.
  • Overdose

  • Overdose of a drug can be accidental. If you have used more than the prescribed tropicamide then there is a chance of getting a harmful effect on the eyes. Overdose of a medicine can lead to some medical emergency.
  • Interactions

  • The doctor or pharmacist may already be aware of and maybe watching you for, any potential medication interactions. Before consulting with your doctor or pharmacist first, do not start, stop, or adjust the dose of any medication. Talk with your doctor or pharmacist about all prescription and nonprescription/herbal drugs you are using before taking this drugs, including antihistamines (e.g., diphenhydramine, meclizine), antispasmodics (e.g., dicyclomine), some antiarrhythmic medicines (e.g., quinidine), certain Parkinson's disease medicines (e.g., dicyclomine), certain antiarrhythmics (e.g., quinidine) (including anticholinergics such as trihexyphenidyl).
  • Storage

  • Direct contact with heat, air and light may damage your medicines. Exposure to medicine may cause some harmful effects. The medicine must be kept in a safe place and out of children’s reach. Mainly the drug should be kept at room temperature between 68ºF and 77ºF (20ºC and 25ºC).
  • Tropicamide vs Atropine:

    Tropicamide
    Atropine
    Tropicamide has an anticholinergic property and is a synthetic muscarinic antagonist with actions similar to atropine. Atropine occurs naturally and is extracted from the alkaloid plant belladonna. Atropine works by blocking a chemical called acetylcholine's actions.
    Tropicamide medication is used for widening the pupil of the eye in preparation for certain eye examinations. This belongs to the class of drugs which is known as anticholinergics. Atropine is used before the eye examinations and can treat some types of eye conditions. This belongs to the class of drugs which is known as anticholinergics.
    Some of the common side effects of Tropicamide are:
    • - Blurred vision
    • - Mild stinging of eyes
    • - Eyes can be more sensitive to lights
    • - Dry mouth
    • - Headache
    Some of the common side effects of Atropine are:
    • - Dry mouth
    • -Blurred vision
    • -Sensitivity to light
    • -Lack of sweating
    • -Dizziness

    Frequently Asked Questions:

    Tropicamide is used for widening the pupil of the eye in preparation for certain eye examinations. This belongs to the class of drugs which is known as anticholinergics. Tropicamide can work by relaxing certain eye muscles.
    Tropicamide can be used in the eye for widening the pupils, so they won’t respond to lights. This is mainly used for diagnostic procedures.
    Tropicamide is a parasympatholytic drug with short-acting properties. Parasympathetic constrictor muscle suppression in the iris results in pupil dilation since there is no resistance to the action of sympathetic dilator muscles. To dilate the pupil for medical purposes, tropicamide is used at a 1% concentration.
    Tropicamide, as an alternative, is regarded as a safe agent for cycloplegic refraction and is a synthetic analogue of tropical acid. It is characterised by a fast onset and, 20-30 minutes after administration, the cycloplegia effect occurs.
    Tropicamide is an antimuscarinic medication that, when used as eye drops, causes short-acting mydriasis (pupil dilation) and cycloplegia. It is used to allow the lens, vitreous humour and retina to be properly examined.
    Some of the common side effects of Tropicamide are:
    • Blurred vision
    • Mild stinging of eyes
    • Eyes can be more sensitive to lights
    • Dry mouth
    • Headache

    Citations:

  • Tropicamide, https://jamanetwork.com/journals/jamaophthalmology/article-abstract/626615
  • Tropicamide Precautions , https://www.sciencedirect.com/science/article/abs/pii/S0378517399002653