Note: This document contains side effect information about cyclopentolate / phenylephrine ophthalmic. Some dosage forms listed on this page may not apply to the brand name Cyclomydril.
Applies to cyclopentolate / phenylephrine ophthalmic: ophthalmic solution.
You should not receive this medicine if you have untreated narrow-angle glaucoma.
Get emergency medical help if you have any of these signs of an allergic reaction while taking cyclopentolate / phenylephrine ophthalmic: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
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blurred vision, tunnel vision, or seeing halos around lights;
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eye pain;
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fast heart rate, severe headache, pounding in your neck or ears, anxiety;
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fever;
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little or no urinating;
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flushing (warmth, redness, or tingly feeling);
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severe constipation; or
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weak or shallow breathing.
Infants and children may be more likely to have side effects from cyclopentolate and phenylephrine ophthalmic. Tell the doctor if the child has:
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confusion, changes in behavior, hallucinations;
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speech problems, trouble recognizing people;
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restless or excited behavior;
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loss of balance or coordination;
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seizure (convulsions); or
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feeding problems or loss of appetite.
Common side effects may include:
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dry mouth, nose, or throat;
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decreased sweating; or
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sensitivity to sunlight.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.