Duloxetine Taj Pharma is an antidepressant indicated for treating major depressive disorder and diabetic peripheral neuropathic pain, available in delayed-release capsules of 20mg, 30mg, 40mg, and 60mg. Common side effects include constipation, nausea, and vomiting, with warnings for potential interactions and contraindications. Special precautions should be taken in certain populations, such as the elderly and those with liver or renal impairment, and it should not be used in patients under 18 due to safety concerns.