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Drug-induced glaucoma refers to elevated eye pressure caused by medication. Some drugs interfere with how fluid drains from the eye, leading to pressure buildup. High pressure can damage the optic nerve and affect vision. Both acute and chronic forms exist depending on the medication. Early recognition helps prevent long-term vision loss.
read more about drug induced glaucoma ...Steroids are the most common cause, affecting fluid drainage over time. Other medications, such as anticholinergics and certain antidepressants, may also increase pressure. Some drugs trigger angle-closure events in people with narrow drainage angles. Topical, oral, inhaled, or injected forms can contribute. Reviewing medication history is essential for diagnosis.
Symptoms include blurry vision, eye pain, halos around lights, and headaches. Acute attacks may cause nausea or sudden pressure spikes. Chronic cases progress slowly and may go unnoticed. Vision loss begins at the peripheral areas. Any sudden changes require urgent assessment.
Diagnosis includes measuring eye pressure and examining the drainage angle. Gonioscopy helps evaluate risk for angle closure. Imaging tests evaluate optic nerve health. Reviewing current medications is a central part of determining the cause. Doctors monitor pressure changes after adjusting medications.
Drug-induced glaucoma can happen when certain medications raise eye pressure, sometimes without obvious early symptoms. If a new medication starts and eye pain, halos around lights, nausea, or sudden blurred vision occurs, urgent evaluation is needed. An eye doctor can measure eye pressure and decide whether medication changes or pressure-lowering treatment is needed. Do not stop prescription meds without medical guidance, but report symptoms right away.
Not always, but long-term steroid use increases the chance of pressure elevation.
Pressure often improves once the medication is changed, but nerve damage can be permanent.
People with narrow angles, glaucoma history, or long-term steroid use face higher risk.
Certain nasal sprays and antihistamines contribute in sensitive individuals.
Common Drugs That Can Worsen Glaucoma. American Academy of Ophthalmology. https://www.aao.org/eye-health/tips-prevention/dangerous-medications-glaucoma-dayquil-bendadryl. Published on January 19, 2025
How does using antihistamines affect my glaucoma? American Academy of Ophthalmology. https://www.aao.org/eye-health/ask-ophthalmologist-q/how-does-using-antihistamines-affect-my-glaucoma. Published on September 18, 2023
Angle-Closure Glaucoma: Symptoms & Treatment. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/angle-closure-glaucoma. Last updated on September 17, 2023
Acute Angle-Closure Glaucoma. StatPearls (NCBI Bookshelf, NIH). https://www.ncbi.nlm.nih.gov/books/NBK430857/. Last Update: November 26, 2023
A review of drug-induced acute angle closure glaucoma for non-ophthalmologists. PMC (National Library of Medicine, NIH). https://pmc.ncbi.nlm.nih.gov/articles/PMC4614311/. Published in 2015