The NHS has issued a warning about Lansoprazole, a widely-used medication, due to a potentially life-altering side effect. This condition, known as subacute cutaneous lupus erythematosus (SCLE), is an autoimmune disorder that can cause joint pain, a red skin rash, and severe sun sensitivity. SCLE can be triggered by prolonged use of Lansoprazole, and while it's not life-threatening, it can significantly impact one's quality of life. The NHS advises that those with SCLE should avoid sunlight, especially during peak hours, and use strong sunscreen and vitamin D supplements. This condition is similar to Omeprazole, another PPI medication, which has also been linked to health problems, including migraines in 25% of users. If you suspect you have SCLE due to Lansoprazole, consult your doctor before making any changes to your medication. Remember, while SCLE can be challenging, it's essential to follow medical advice and take proactive steps to manage the condition effectively.