Uses of Cytra-K:

• It is used to treat acid problems in the blood.
• It is used to lower acid levels in the urine.
• It is used to prevent gout attacks.

What do I need to tell my doctor BEFORE I take Cytra-K?

• If you have an allergy to potassium citrate, citric acid, or any other part of Cytra-K (potassium citrate and citric acid powder pack).
• If you are allergic to Cytra-K (potassium citrate and citric acid powder pack); any part of Cytra-K (potassium citrate and citric acid powder pack); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: Fluid loss (dehydrated), heat cramps, high potassium levels, a certain problem that causes periods of muscle weakness (adynamia episodica hereditaria), kidney disease, heart disease, unable to pass urine, or untreated Addison's disease.
• If you are taking any of these drugs: Amiloride, eplerenone, spironolactone, or triamterene.
• If the patient is a child. Do not give Cytra-K (potassium citrate and citric acid powder pack) to a child.

This is not a list of all drugs or health problems that interact with Cytra-K (potassium citrate and citric acid powder pack).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Cytra-K (potassium citrate and citric acid powder pack) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Cytra-K?

• Tell all of your health care providers that you take Cytra-K (potassium citrate and citric acid powder pack). This includes your doctors, nurses, pharmacists, and dentists.
• Have blood work checked as you have been told by the doctor. Talk with the doctor.
• Have your urine checked as you have been told by your doctor.
• Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects.
• If your diet has low-salt foods or you are taking a salt substitute, talk with your doctor.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Cytra-K (potassium citrate and citric acid powder pack) while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Cytra-K) best taken?

Use Cytra-K (potassium citrate and citric acid powder pack) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• Take Cytra-K (potassium citrate and citric acid powder pack) after meals and at bedtime or as you have been told by your doctor.
• Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
• Mix with at least 6 ounces (180 mL) of cool water or juice before drinking. If needed, follow with more water or juice after drinking.

What do I do if I miss a dose?

• Take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of a high potassium level like a heartbeat that does not feel normal; change in thinking clearly and with logic; feeling weak, lightheaded, or dizzy; feel like passing out; numbness or tingling; or shortness of breath.
• Very bad belly pain.
• Black, tarry, or bloody stools.
• Throwing up blood or throw up that looks like coffee grounds.
• Swelling of belly.
• Upset stomach or throwing up.

What are some other side effects of Cytra-K?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Cytra-K?

• Store at room temperature. Do not freeze.
• Protect from heat.
• Store in a dry place. Do not store in a bathroom.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Cytra-K (potassium citrate and citric acid powder pack), please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.