Is it safe? · Pregnancy Smart
Glaucoma during pregnancy: pressure and medication safety
What does the evidence say about glaucoma during pregnancy?
- A review describes lower average eye pressure during pregnancy, often most noticeable later in gestation. These group averages do not guarantee stable glaucoma in an individual, and some patients still develop pressure increases or worsening visual fields. 1
- A small retrospective series cited in the review found stable pressure and visual fields in 57% of eyes, higher pressure with stable fields in 18%, and progressive field loss in 18%. These eye-level results illustrate variable courses, not a personal prediction for every pregnant patient. 1
- The review describes eyelid closure and nasolacrimal occlusion as ways to reduce systemic absorption of topical eye medicines. The ophthalmology team can demonstrate the technique and decide the lowest effective regimen; reducing absorption does not make every medicine suitable during pregnancy. 1
- The glaucoma review emphasizes planning across pregnancy, delivery, and breastfeeding because concerns for the fetus and newborn can differ. It discusses newborn effects associated with particular drugs, including brimonidine, which makes a prescriber-led plan more useful than a blanket instruction to stop all drops. 1
- A review of ocular changes in pregnancy notes limited in-depth human research on ophthalmic medicines during pregnancy and lactation. It discusses minimizing systemic exposure from eye drops and balancing necessary eye care with the available safety information. 2
- FDA prescription labeling removed the A, B, C, D, and X pregnancy letter categories beginning in 2015. Current pregnancy and lactation sections provide risk summaries, clinical considerations, and supporting data. An older review calling an eye drop category B or C is not a current safety ranking. 3
- In a study of people with open-angle glaucoma who stopped drops during pregnancy, nearly 28% of studied eyes showed progression after delivery, with follow-up averaging about 14 months postpartum. That selected group does not establish a universal rate, but it shows why stopping medicine needs specialist oversight. 4
- Glaucoma is a group of eye diseases that damage the optic nerve and can cause vision loss or blindness, and it often develops without early symptoms. The National Eye Institute notes that half of people with glaucoma don't know they have it, which is part of why an existing glaucoma finding should stay actively monitored through pregnancy rather than set aside. 5
Questions for your glaucoma and maternity teams
| Decision | What to review |
|---|---|
| Continuing or changing drops | Current nerve and visual-field findings, pressure target, and the exact medicine |
| Reducing systemic absorption | Ask the eye team to demonstrate eyelid closure or nasolacrimal occlusion |
| Approaching delivery | Any drug-specific change or newborn observation that your teams recommend |
| Breastfeeding | The exact medicine, infant age and prematurity, and current lactation information |
| Older pregnancy letter categories | Use current risk summaries and clinical data instead of A/B/C rankings |
Frequently asked questions
Does pregnancy make glaucoma better or worse?
It can go either way. Hormonal changes often lower eye pressure somewhat, especially by the third trimester, and one study found 57 percent of eyes stayed fully stable through pregnancy. But roughly 18 percent showed higher pressure with stable vision, and another 18 percent had actual progressive vision-field loss, so pregnancy doesn't guarantee an easier course.
Is it safe to stop glaucoma eye drops during pregnancy?
Stopping isn't a risk-free default. In one study of people with open-angle glaucoma who paused their drops for pregnancy, nearly 28 percent of eyes showed measurable glaucoma progression after delivery, at an average of about 14 months postpartum. Any change to a glaucoma medication routine is worth planning with an ophthalmologist rather than stopping on your own.
Is there one glaucoma eye drop that is safest for every pregnancy?
No single choice fits everyone. Your pressure target, existing nerve damage, previous response, the specific drug, and pregnancy stage all matter. Older FDA pregnancy letter categories should not be used to rank the options. Ask your ophthalmologist and obstetric team to review current drug information together.
Are carbonic anhydrase inhibitor eye drops safe during pregnancy?
They need a medicine-specific review. Eye drops and oral medicines have different exposure patterns, and the available pregnancy evidence is limited. Do not apply a blanket safe or unsafe rule to the whole class or switch a working regimen without your prescriber.
Why would a glaucoma medication get stopped right before delivery?
Some medicines have potential newborn effects that require a plan around delivery. That plan depends on the drug, dose, your glaucoma control, and the expected timing of birth. Ask both teams whether any change or newborn monitoring is needed; do not stop drops according to a general online timetable.
Can glaucoma medication be used while breastfeeding?
Review the exact medicine with the eye clinician and the clinician caring for your baby, including whether the baby is premature. Lactation considerations differ from pregnancy considerations. Current prescribing information and a drug-specific lactation reference should guide the plan, rather than a class-wide claim that drops are approved or contraindicated.
Is there anything that can be done before getting pregnant to make glaucoma easier to manage during pregnancy?
One review suggests laser trabeculoplasty before conception as a way to lower how much medication is needed once pregnant, which can simplify the drug-safety questions that come up trimester by trimester. Raising glaucoma control as part of preconception planning with both an ophthalmologist and an OB is a reasonable step for anyone planning a pregnancy with an existing glaucoma finding.
How would I know if my glaucoma is getting worse during pregnancy?
Since eye pressure and visual field changes generally aren't something a person can feel directly, regular monitoring visits with an ophthalmologist through pregnancy are how a change would actually be caught, rather than waiting for a noticeable symptom. Reviews describe outcomes ranging from fully stable to progressive visual field loss during pregnancy, which is why the monitoring schedule itself shouldn't be skipped just because someone feels fine.
Related in the library
References
Management of glaucoma in pregnancy: risks or choices, a dilemma?
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC5145101/
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC5082244/
Pregnancy and Lactation Labeling Resources
FDA · https://www.fda.gov/drugs/labeling-information-drug-products/pregnancy-and-lactation-labeling-drugs-final-rule
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC8159078/
NEI · https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/glaucoma
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.