This drug is used in people who cannot get enough phosphorus from their diets. Phosphorus is a natural body mineral that is needed for the body to work normally. It is needed for building and keeping strong bones. It also helps control the amount of calcium in the body and urine.
How to use Phos-Nak 280 Mg-160 Mg-250 Mg Oral Powder Packet
Take this medication by mouth as directed by your doctor, usually 4 times a day with meals and at bedtime. Open the packet and mix the powder in one-third of a glass (2.5 ounces or 75 milliliters) of water or other liquid such as juice. Stir the mixture well before taking all of it.
Dosage is based on your medical condition and response to treatment.
Take this medication regularly in order to get the most benefit from it. To help you remember, take it at the same times each day.
Take this medication 2 to 3 hours before or after taking any products containing magnesium, aluminum, or calcium. Some examples include quinapril, didanosine, vitamins/minerals, and antacids. Dairy products (such as milk, yogurt), calcium-enriched juice, iron, and zinc are also included. These products bind with phosphate, preventing its full absorption.
If your doctor has recommended that you follow a special diet, it is very important to follow the diet to get the most benefit from this medication and prevent serious side effects. Do not take other supplements/vitamins unless ordered by your doctor.
If you are unsure about how to take this medication, ask your doctor or pharmacist.
Nausea, vomiting, diarrhea, headache, dizziness, or stomach/abdominal pain may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
If your doctor has directed you to use this medication, remember that your doctor 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.
When this medication is first started, there is a chance an old kidney stone will be passed. Tell your doctor right away if you develop any symptoms of a kidney stone passing, including: painful/frequent urination, sudden/severe pain in the side/back/abdomen, blood in the urine.
Tell your doctor right away if you have any serious side effects, including: bone/joint pain, muscle cramps, swelling ankles/feet, sudden weight gain, fast/irregular heartbeat, signs of kidney problems (such as change in the amount of urine), tingling/numbness of the hands/feet/lips, confusion, seizures, unusual weakness/tiredness, shortness of breath.
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 side 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.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high phosphate/potassium/sodium levels, adrenal gland problems (such as Addison's disease), bone problems (such as rickets, osteomalacia), kidney disease (including kidney stones), heart disease (such as heart failure), high blood pressure, a certain hormone problem (hypoparathyroidism), a certain muscle problem (myotonia congenita), liver disease, dehydration, too much body water (such as swelling of arms/legs, fluid in the lungs), severe burns/wounds, swelling of the pancreas (pancreatitis), a diet restricted in sodium or potassium.
This medication contains sodium. Consult your doctor for more information if you are on a salt-restricted diet or if increased salt intake could worsen your condition (such as heart failure).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.
See also How to Use section.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include: burosumab, corticosteroids (such as prednisone), digoxin, drugs that are affected by acid levels in the urine (such as chlorpropamide, methadone), medications that may increase potassium levels (such as eplerenone, ACE inhibitors such as lisinopril, ARBs such as valsartan, potassium-sparing diuretics/"water pills" such as amiloride/spironolactone/triamterene, birth control pills containing drospirenone), potassium supplements/salt substitutes.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe diarrhea, muscle spasms.
Do not share this medication with others.
Lab and/or medical tests (such as calcium/phosphorus/potassium/sodium levels, kidney function) should be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from heat and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Phos-NaK 280 mg-160 mg-250 mg oral powder packetColor: whiteShape: Imprint:
This medicine is a white, fruit, powder
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.