Fosrenol
Fosrenol is used to lower high phosphate levels in the blood for adults with long-term kidney disease by binding phosphate from food in the digestive system.
Form
purutabletti
Strength
750 mg
Active Ingredient
Lanthanum (III) carbonate hydrate
Manufacturer
Takeda Pharmaceuticals International AG Ireland Branch
How to Use
Dosage
Initially, you will typically take one tablet with each meal, usually three times a day. Your doctor will adjust your dose based on your blood phosphate levels.
Method
Take Fosrenol with or immediately after food. Chew the tablets thoroughly; do not swallow them whole. You can crush the tablets if chewing is difficult. You do not need liquid with them.
Important
Your doctor will determine the maximum daily dose for you based on your blood phosphate levels.
Possible Side Effects
COMMON
- •Nausea
- •Vomiting
- •Diarrhea
- •Stomach pain
- •Headache
- •Itching
- •Rash
- •Heartburn
- •Flatulence (gas)
- •Low calcium in blood (hypocalcemia)
- •Tingling in hands and feet
- •Muscle and stomach cramps
- •Facial and foot muscle twitching
RARE
- •Bowel rupture (severe stomach pain, chills, fever, nausea, vomiting, or tender stomach)
- •Bowel obstruction (severe bloating, stomach pain, swelling or cramps, or severe constipation)
- •Tiredness
- •Discomfort
- •Chest pain
- •Weakness
- •Swelling of hands and feet
- •Body aches
- •Dizziness
- •Spinning sensation (vertigo)
- •Burping
- •Stomach and bowel inflammation (gastroenteritis)
- •Indigestion
- •Irritable bowel syndrome
- •Dry mouth
- •Dental problems
- •Inflammation of the esophagus or mouth
- •Loose stools
- •Increased liver enzymes in blood
- •Changes in parathyroid hormone levels
- •Changes in aluminum, calcium, and glucose levels in blood
- •High or low phosphate in blood
- •Thirst
- •Weight loss
- •Joint pain
- •Muscle pain
- •Weak bones (osteoporosis)
- •Loss of appetite
- •Increased appetite
- •Laryngitis (inflammation of the voice box)
- •Hair loss
- •Increased sweating
- •Taste changes
- •Increased white blood cell count
- •Presence of medicine residues in the digestive tract (frequency unknown)
Important Warnings
- Do not take Fosrenol if you are allergic to lanthanum carbonate hydrate or any other ingredients in this medicine.
- Do not take Fosrenol if you have too little phosphate in your blood (hypophosphatemia).
- Do not take Fosrenol if you have a bowel obstruction.
- Chew the tablets thoroughly; do not swallow them whole or poorly chewed, to avoid serious digestive issues like bowel rupture, obstruction, or severe constipation.
- Some medicines, like chloroquine, ketoconazole, tetracycline, doxycycline, and levothyroxine, should not be taken within two hours before or after taking Fosrenol.
Show 4 more warnings
- Oral floxacin antibiotics (including ciprofloxacin) should not be taken two hours before or four hours after taking Fosrenol.
- Do not use Fosrenol if you are pregnant or breastfeeding. Consult your doctor if you are planning to become pregnant.
- Fosrenol can cause dizziness or spinning sensations, which may affect your ability to drive or use machines. Be cautious if you experience these symptoms.
- Always tell your doctor if you have a history of stomach or bowel cancer, inflammatory bowel disease (like ulcerative colitis or Crohn's disease), stomach or bowel surgery, ulcers, bowel obstruction, slow bowel movement (e.g., due to diabetes), or liver/kidney problems.