What may interact with this medicine?

• ammonium chloride
• antacids with aluminum
• eplerenone
• potassium supplements including salt substitutes
• sodium polystyrene sulfonate

This medicine may also interact with the following medications:

• certain antibiotics like ciprofloxacin, norfloxacin
• certain diuretics like spironolactone, triamterene
• certain medicines for high blood pressure, heart problems like enalapril, propranolol
• lithium
• methenamine
• stimulant medicines for attention disorders, weight loss, or to stay awake

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non- prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

What side effects may I notice from receiving this medicine?

• chest pain
• confusion
• feeling faint or lightheaded, falls
• fast, irregular heartbeat
• pain, tingling, numbness in the hands or feet
• unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• diarrhea
• nausea, vomiting
• stomach upset

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1- 800- FDA- 1088.