Let's take a minute to talk about your medication. This is Tasigna. You should take it as directed by your doctor. Swallow the capsule whole with a glass of water. It should be taken on an empty stomach. So, do not eat 2 hours before a dose or at least 1 hour after. Your pharmacist can advise you if you have problems swallowing the capsule. This medicine helps treat certain types of leukemia. Many patients will have side effects. You may feel tired or weak, so wait until you know how it affects you before doing activities that require you to be alert, like driving. It can also cause a rash, constipation, diarrhea, or fever. Some people may have muscle spasms, or pain in their joints. You might also develop a runny or stuffy nose, sore throat or cough. The good news is most side effects aren't serious. You still should report them to your doctor promptly. As with any medicine, more serious side effects can occur. Since this medicine can affect your blood counts and your heart beat, your doctor will order tests and follow you closely. Other serious side effects may include problems with your liver or pancreas, or bleeding in the brain. You should pay close attention to your body, and call your doctor right away if you notice any unusual changes. This includes a sudden headache or sudden stomach pain. It's important to talk to your doctor or pharmacist before taking herbal remedies or other medicines, even if they don't require a prescription. You should also avoid eating grapefruit or drinking grapefruit juice. Women should not become pregnant or breastfeed while taking this medicine, because it can be unsafe for the baby. For best results, take Tasigna exactly as prescribed, and read the medication guide for full information.