Do not take the NITROGLYCERIN if you are allergic to nitrates or any of its ingredients. Inform your doctor about all other OTC medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. If you have a kidney, drink or have ever consumed large amounts of alcohol, have anaemia, or have a heart attack. NITROGLYCERIN should be taken cautiously and only if a doctor prescribes you. Tell your doctor if you are pregnant or are breastfeeding before starting NITROGLYCERIN as a dose adjustment may be required if the benefits outweigh the harm. NITROGLYCERIN may cause dizziness, light-headedness, and fainting when you get up too quickly from a lying position, especially when you start taking NITROGLYCERIN so please get up gradually.

Drug-drug interactions: This medicine may have an interaction with any medicines that are used to treat heart failure, or an irregular heartbeat, anticoagulant medications (warfarin), anti-depressant medications (bupropion), migraine medicines (ergotamine), erectile dysfunction medication (alprostadil, avanafil, sildenafil, tadalafil, vardenafil), blood thinners (aspirin), NSAIDs (naproxen, ibuprofen),  and tricyclic antidepressants (amitriptyline, desipramine, doxepin).

Drug-Food Interactions:  NITROGLYCERIN interacts with non-prescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Also, alcohol consumption and drinks containing caffeine should not be taken along with NITROGLYCERIN.

Drug-Disease Interactions: Inform your doctor if you have or have ever had or had myocardial infarction, congestive heart failure, anemia, hemodialysis (a procedure where a dialysis machine and a special filter called an artificial kidney), hypotension, intracranial pressure, pericarditis (inflammation of the pericardium), hypertrophic cardiomyopathy, and glaucoma.

• Follow a cholesterol-lowering diet.
• Consume low salt and a low-fat diet.
• Exercise regularly. It helps in maintaining proper weight and lowers cholesterol.
• Limit salt and sugar intake.
• Avoid smoking and alcohol consumption.
• Choose healthy fats and cut down on trans-fat.
• Include omega-3 fatty acids, fibre-rich food, fruits and vegetables.
• Get active by doing physical activities such as swimming, brisk walking or jogging. Take the stairs instead of elevators/lifts.

• The dose of NITROGLYCERIN may be required to increase after a certain time as NITROGLYCERIN develops tolerance after some time. Your doctor might increase your dose depending upon your condition, and please stick to the dosage schedule.