Observational analysis shows anticholinergic drugs do not likely worsen intra-ocular pressure in glaucoma patients, suggesting broader usage is safe.
Systemic parasympatholytic (antispasmodic or anticholinergic) drugs are often used as pre-anaesthetic medication and for relief of Parkinsonism and some gastro-intestinal disorders. The fear that these drugs will increase intra-ocular pressure and precipitate or aggravate glaucoma has, however, sometimes discouraged their use. With most patients this fear is unwarranted.
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