About potassium acid phosphate
Oral phosphate supplement
Used for
- Treats or prevents low blood phosphate.
- Acidifies urine in selected conditions.
Usual adult dose
For low phosphate: typically 1–2 tablets four times daily; dose depends on blood levels and product labeling.
Usual dose in children
Dosing is weight-based and guided by blood phosphate levels; specialist supervision is required.
Common side effects
- Nausea, vomiting, or diarrhea
- Stomach discomfort
- High blood phosphate
- Low blood calcium
Important warnings
- Use cautiously with kidney disease or high blood potassium.
- May cause dangerous electrolyte changes; monitoring may be needed.
- Not appropriate for every cause of low phosphate.
- Follow the product label; formulations and doses can vary.
Pregnancy
Use only when needed and under medical supervision; pregnancy data are limited.
Breastfeeding
Use only when needed and under medical supervision; safety information is limited.
Interactions
- May reduce absorption of tetracycline and quinolone antibiotics.
- May interact with calcium, magnesium, or aluminum-containing antacids.
- Potassium-sparing diuretics and ACE inhibitors can increase potassium levels.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.