Triamterene Oral Pill

See also Warning section. Dizziness, lightheadedness, tiredness, headache, stomach upset, or diarrhea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Triamterene can cause a loss of too much body water (dehydration) and salt/minerals. Tell your doctor right away if you have any symptoms of dehydration or mineral loss, such as confusion, unusual dry mouth/thirst, fast/irregular heartbeat, severe dizziness/lightheadedness, or seizures. Tell your doctor right away if you have any serious side effects, including: nausea/vomiting that doesn't stop, stomach/abdominal pain, yellowing eyes/skin, dark urine, signs of infection (such as sore throat that doesn't go away, fever, chills, cough), signs of kidney problems (such as pain in the side/back/abdomen, painful urination, blood in the urine, change in the amount of urine), joint pain (such as big toe pain), easy bruising/bleeding. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.