GTN Sorbitrate CR 2.6 Tablet is a medication used to treat and prevent chest pain (angina) related to heart problems. It works by relaxing and widening blood vessels, which allows more blood to flow to the heart. The recommended dose and duration of treatment should be followed as prescribed by the doctor. The medication can be taken with or without food, preferably at the same time each day. Taking more than the recommended dose can lead to harmful effects on the body. It is important to stick to a specific dosing schedule to prevent tolerance, which can decrease the effectiveness of the medication over time.The most common side effect of this medication is a headache, which can be severe. Drinking plenty of fluids and avoiding alcohol may help to alleviate this. Lightheadedness is another possible side effect and can increase the risk of falls. There are other, rarer side effects, some of which can be serious. Patients should consult their doctor and read the medication leaflet to ensure they are using the medication safely.GTN Sorbitrate CR 2.6 Tablet should not be taken with medications used to treat pulmonary hypertension or erectile dysfunction, or if the patient has anemia or glaucoma (increased pressure inside the eye). Patients should inform their doctor of any health conditions they have and any other medications they are taking. Drinking alcohol with this medication can increase some of the side effects, and patients affected by dizziness should avoid driving. If a patient is pregnant, planning to become pregnant, or breastfeeding, they should consult their doctor before taking this medication.