Use Kitabis Pak (Inhalation) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed. Tobramycin is inhaled into the lungs with the use of a nebulizer or an inhaler device. Do not swallow the medicine by mouth. Use only the inhaler device provided with your medicine. Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions. Tobramycin is given in a treatment cycle of 28 days on and 28 days off. Follow your doctor's dosing instructions very carefully. Keep using tobramycin on this schedule, even if you feel fine. Use your doses at regular intervals of 12 hours apart but not less than 6 hours apart. If you use other inhaled medicines, or if you perform chest physiotherapy to remove mucus from the lungs, use these other treatments first before using your tobramycin dose. Do not use tobramycin inhalation solution if it looks cloudy or has particles in it. Call your pharmacist for new medicine. Store tobramycin ampules in the refrigerator between 36 and 46 degrees Fahrenheit (2 and 8 degrees Celsius). If refrigeration is not available, store the ampules at cool room temperature for up to 28 days. Protect from light. The solution may become darker in color at room temperature, but this should not affect the quality of the medicine. Store Tobi Podhaler capsules in their original blister pack at room temperature away from moisture and heat. Remove a Tobi Podhaler capsule from the blister pack only when you are ready to load it into your inhaler device.