semaglutide and eye problems Does Ozempic Cause Blindness? [2026 Update] Semaglutide linked to higher risk

Cautions and precautions include: History of pancreatitis (discontinue if pancreatitis is suspected) Type 1 diabetes or diabetic ketoacidosis (not indicated) Severe gastrointestinal disease including gastroparesis Gallbladder disease (increased risk with GLP-1 therapy) Diabetic retinopathy (monitor for worsening with rapid glycaemic improvement, particularly with semaglutide) Regarding renal impairment , most GLP-1 agonists (semaglutide, liraglutide, dulaglutide) require no dose adjustment

PMC 4295897

rodents possess a high density of GLP-1 receptors in their thyroid C-cells, which leads to hyperplasia and tumors when stimulated

NSCLC: non-small cell lung cancer

Peptides target different biological pathways (growth hormone, sleep architecture, gut repair, inflammation) than testosterone