Research has identified these alarming vision-related risks associated with GLP-1 medications: Sudden irreversible vision loss: NAION strikes without warning, often discovered upon waking, causing blurry or dim vision that progresses to immediate and permanent partial or complete blindness in the affected eye with no possibility of restoration Elevated risk across multiple studies: Beyond the Harvard findings showing 4-7 fold increased risk, a University of Southern Denmark study examining over 424,000 patients found weekly semaglutide users faced 2.19 times higher NAION risk European regulatory recognition: In June 2025, the European Medicines Agency officially recognized NAION as a possible side effect of semaglutide medications, marking formal acknowledgment by international regulators Complete absence of treatment options: Medical science currently offers no cure, no effective treatment, and no way to reverse NAION-related vision damage, leaving patients with permanent disability The permanent and irreversible nature of NAION-related optic nerve damage distinguishes these injuries from other complications that may resolve after discontinuing medication

Most prescribers recommend skipping your next scheduled weekly dose and resuming your normal schedule the week after
However, phentermine is oral (no injections), easier to access as a generic option, and covered by many insurance plans
Ask About Possible Interactions with Your Current Medications Medications for bipolar disorder, such as lithium, valproate, or antipsychotics, can have specific interactions with other drugs
Quick Answer: To give yourself a shot of semaglutide, you must clean a subcutaneous injection site (like the abdomen or thigh) with alcohol, pinch the skin gently, and insert the needle at a 90-degree angle
Your provider needs to make this determination based on your individual tolerance history