Trinol 35mg Tablet MR is an anti-anginal medication used to treat heart-related chest pain (angina). It prevents new attacks but does not stop acute ones. It can be taken alone or in combination with other medicines. Regular use prevents future harm and can be improved through lifestyle changes like quitting smoking, reducing alcohol intake, eating well, exercising, and managing stress. Common side effects include dizziness, headache, abdominal pain, diarrhea, nausea, vomiting, rash, itching, hives, and weakness.