Phosphorus Salts
Phosphorus, Potassium Oral solution
What is this medicine?
PHOSPHORUS SALTS (FOS fer uhs sawlts) are used to increase the amount of phosphorus in the body. It is used to treat patients who are not receiving enough phosphorus from their diet or who need increased amounts.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
Addison's disease
dehydration
heart disease
high levels of phosphate or potassium in the blood
kidney disease or stones
sodium-restricted diet
an unusual or allergic reaction to phosphorus salts, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth. Follow the directions on the package or prescription label. Dissolve this medicine in water or juice as directed. Shake or stir well before taking. The mixture may be stored in the refrigerator for better taste. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
sevelamer
This medicine may also interact with the following medications:
antacids containing aluminum, magnesium, or calcium
calcium supplements
chlorpropamide
cyclosporine
diuretics
eplerenone
iron supplements
medicines called ACE inhibitors like captopril, enalapril, lisinopril
methadone
potassium supplements
stimulant medicines for attention disorders, weight loss, or to stay awake
testosterone and other similar steroids
vitamin D supplements
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?
Visit your health care professional for regular checks on your progress. Your doctor may order blood work while you are taking this medicine.
Follow a healthy diet. Taking a vitamin supplement does not replace the need for a balanced diet.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
confusion
fast, irregular heartbeat
feeling faint or lightheaded, falls
increased thirst
muscle cramps
seizures
swelling of feet or lower legs
tingling, pain, or numbness in the hands or feet
trouble passing urine or change in the amount of urine
unusually weak or tired
weight gain
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
diarrhea
headache
nausea, vomiting
stomach pain
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.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light. Throw away any unused medicine after the expiration date.
Potassium Phosphate, Dibasic, Potassium Phosphate, Monobasic Solution for injection
What is this medicine?
PHOSPHORUS SALTS (FOS fer uhs sawlts) are used to increase the amount of phosphorus in the body. It is used to treat or prevent low phosphate levels in the body.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
Addison's disease
heart disease
high levels of phosphate or potassium in the blood
kidney disease or stones
low levels of calcium in the blood
an unusual or allergic reaction to phosphorus salts, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
This medicine is for infusion into a vein. It is given by a health care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
This does not apply.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
sevelamer
This medicine may also interact with the following medications:
cyclosporine
diuretics
eplerenone
medicines called ACE inhibitors like captopril, enalapril, lisinopril
potassium supplements
vitamin D supplements
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?
Your condition will be monitored carefully while you are receiving this medicine.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
confusion
fast, irregular heartbeat
feeling faint or lightheaded, falls
heavy feeling in legs
increased thirst
low blood pressure
muscle cramps
seizures
swelling of feet or lower legs
tingling, pain, or numbness in the hands or feet
trouble passing urine or change in the amount of urine
unusually weak or tired
weight gain
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.
Where should I keep my medicine?
This drug is given in a hospital or clinic and will not be stored at home.
Potassium Phosphate, Monobasic Oral tablet
What is this medicine?
PHOSPHORUS SALTS (FOS fer uhs sawlts) is used to treat high pH levels in the urine. It is used to prevent calcium kidney stones. This medicine can also work with some antibiotics for urinary tract infections.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
high levels of calcium in the blood
high levels of phosphate in the blood
kidney disease
phosphate stones
an unusual or allergic reaction to phosphorus salts, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth. Follow the directions on the package or prescription label. Dissolve this medicine in 6 to 8 ounces of water as directed. Allow tablets to soak in water for 2 to 5 minutes or more. If part of the tablet does not dissolve, it may be crushed and then the solution stirred vigorously. Shake or stir well before taking. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
sevelamer
This medicine may also interact with the following medications:
antacids containing aluminum, magnesium, or calcium
aspirin and aspirin-like medicines
cyclosporine
diuretics
eplerenone
medicines for blood pressure like captopril, enalapril, lisinopril
potassium supplements, salt substitutes, or low-salt milk
vitamin D supplements
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?
Visit your health care professional for regular checks on your progress. Your doctor may order blood work while you are taking this medicine.
You may pass a kidney stone after starting this medicine. Contact your doctor if you have new or unusual symptoms.
Avoid products with aluminum, calcium, magnesium as these may bind to this medicine.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
bone or joint pain
breathing problems
confusion
fast, irregular heartbeat
feeling faint or lightheaded, falls
heaviness in the legs
high blood pressure
muscle cramps
tingling, pain, or 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 pain
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.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light. Throw away any unused medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert