Do not take etidronate if you have a condition called osteomalacia (softening of the bones).
If you have certain conditions, you may need a dose adjustment or special tests to safely take this medication. Before taking etidronate, tell your doctor if you have:
- a bone fracture;
- a stomach or esophageal ulcer or disease; or
- kidney disease.
Some people using medicines similar to etidronate have developed bone loss in the jaw, also called osteonecrosis of the jaw. Symptoms of this condition may include jaw pain, swelling, numbness, loose teeth, gum infection, or slow healing after injury or surgery involving the gums.
You may be more likely to develop osteonecrosis of the jaw if you have cancer or have been treated with chemotherapy, radiation, or steroids. Other conditions associated with osteonecrosis of the jaw include blood clotting disorders, anemia (low red blood cells), and dental surgery or pre-existing dental problems.
FDA pregnancy category C. It is not known whether etidronate is harmful to an unborn baby. Before taking this medication, tell your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether etidronate passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Avoid drinking milk or eating dairy products within 2 hours after taking etidronate. Also avoid taking supplements that contain calcium, magnesium, iron, or aluminum (such as in multivitamins with iron, and in many types of antacids).
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include muscle cramps, stiffness, or twitching, breathing problems, swelling in your hands or feet, and muscle movements in your face that you cannot control.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using etidronate and call your doctor at once if you have any of these serious side effects:
- severe joint, bone, or muscle pain;
- jaw pain, numbness, or swelling;
- severe diarrhea;
- bone fracture; or
- a red, blistering, peeling skin rash.
Less serious side effects may include:
- mild diarrhea;
- headache, confusion;
- nausea; or
- numbness or tingly feeling.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.
Before taking etidronate, tell your doctor if you are taking a blood thinner such as warfarin (Coumadin).
This list is not complete and there may be other drugs that can interact with etidronate. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Didronel, etidronate, and Didronel I.V.
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Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04