Tropicamide is a cholinolytic, mydriatic drug intended for instillation into the eyes. The active ingredient is the substance of the same name, auxiliary components include benzalkonium chloride, disodium ethylenediaminetetraacetate, sodium chloride, hydrochloric acid.
Pharmacological action of the Tropicamide medication (eye drops)
When instilled, the medicine causes pupil dilation, accommodation paralysis, and also helps to block cholinergic receptors. Compared with atropine, the drug has a more gentle effect on the patient’s eyes, and has less effect on eye pressure. However, patients with angle-closure glaucoma must be aware that the tool is able to increase intraocular pressure to some extent. The medical effect is manifested after 5 minutes after use, the maximum effect occurs after 20 minutes.
Indications
Prescribe the medicine "Tropicamide" (eye drops) when performing an examination of the fundus and lens, determination of refraction. The medication is successfully used in surgical activity, when performing interventions in the vitreous body, retina, and laser retinal coagulation.
In addition, the drug is used to treat inflammatory eye pathologies, to prevent the development of synechia after surgery.
Contraindications Tropicamide (eye drops)
The instruction indicates that it is forbidden to use the medicine for hypersensitivity, for glaucoma (angle-closure and mixed type). It is undesirable to administer the drug to pregnant women and nursing mothers, since the active substance poses a potential danger to the child.
Side effects
Tropicamide medication (eye drops) can cause negative reactions of the body when used. So, in some cases, a fear of light, an increase in ophthalmotonus, angle-closure glaucoma attacks, and a decrease in visual acuity may develop. In addition, systemic reactions are observed, which are represented by manifestations of anxiety, tachycardia, dysuria, hyperthermia, agitation, dry mouth. Haphazard use of the drug can lead to an overdose.
You can neutralize poisoning using physostigmine salicylate, benzodiazepine, beta-blockers. It will not be possible to freely purchase the drug Tropicamide. The prescription will be required in any case, since with the intravenous use of the drug, a heavy dependence develops. The drug has narcotic properties.
special instructions
Tropicamide medication (eye drops) is required to be instilled into the conjunctival sac from below. During therapy, you will have to abandon activities that require a quick reaction and a long concentration of attention. It is not recommended to use contact lenses after applying the product. With non-medical intravenous administration, psychomotor agitation, hallucinations, confusion, epileptic seizures and complete loss of vision are possible.