Do not use Midamor if:

• you are allergic to any ingredient in Midamor;
• you are taking potassium supplements or potassium-sparing diuretics (e.g., aldosterone, triamterene);
• you are unable to urinate;
• you have high blood potassium levels or kidney problems due to diabetes or other severe kidney disease.

• Midamor may cause drowsiness. These effects may be worse if you take it with alcohol or certain medicines. Use Midamor with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Check with your doctor before you use a salt substitute or a product that has potassium in it.
• Lab tests, including electrolyte levels and blood pressure monitoring, may be performed while you use Midamor.
• Use Midamor with caution in the elderly; they may be more sensitive to its effects.
• Midamor should not be used in children; safety and effectiveness in children have not been confirmed.
• Pregnancy and breast-feeding: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Midamor while you are pregnant. It is not known if Midamor is found in breast milk. Do not breast-feed while taking Midamor.

Check with your doctor if any of these most common side effects persist or become bothersome:

• diarrhea; headache; loss of appetite; nausea; weakness.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dry mouth; excessive thirst; slowed heart rate; unusual muscle weakness; unusual tiredness; vomiting.

Midamor is to be used only by the patient for whom it is prescribed. Do not share it with other people.

If your symptoms do not improve or if they become worse, check with your doctor.