Side Effects
Very common side effects (affects more than 1 in 10 people): • HeadacheCommon side effects (affects less than 1 in 10 people): • Light headed on standing upright • Dizziness • Sleepiness • Feeling weak • Fast heartbeat • DrowsinessThey may occur for the first few days of treatment or after your dosage has been increased. Uncommon side effects (affects less than 1 in 100 people): • Fainting or collapse • Feeling sick or being sick • Skin rashes • Looking pale • Excessive sweating • Restlessness
Drug Interactions
Atenolol, propranolol , nifedipine, diltiazem , glycerol trinitrate, methyldopa , olmesartan medoxomil, candesartan cilexetil , amitriptyline, clomipramine , phenothiazines (fluphenazine) or butyrophenones (haloperidol) , Ergotamine , Aldesleukin , Sapropterine , Sildenafil , Alprostadil, Tadalafil and Vardenaf
When not to Use
Do not take :• If you are allergic to isosorbide mononitrate, other nitrates or any of the other ingredients of this medicine. • If you suffer from severe anaemia (reduction in red blood cells which can make the skin pale and cause weakness or breathlessness) • If you have had a heart attack (myocardial infarction)