Ecosprin AV 150 Capsule is generally safe when taken as prescribed. Some people may experience mild effects such as stomach upset, headache, dizziness, or muscle aches, which often improve over time. In some cases, more significant problems like stomach bleeding, liver issues, or muscle injury can occur. Side effects vary depending on health, diet, lifestyle, other medicines, and medical conditions. Report persistent stomach pain, dark stools, severe muscle pain, or dark urine to your doctor, and attend regular medical check‑ups for safe use.