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Some studies have suggested that rapid improvements in glycemic control with semaglutide may be associated with temporary worsening of diabetic retinopathy in certain patients, particularly those with pre-existing retinopathy

The main safety consideration is about the preservative in bacteriostatic water : Benzyl Alcohol Toxicity: Bacteriostatic water typically uses benzyl alcohol as the preservative

He saw an improvement upon starting the treatment

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