Generic Name: aluminum hydroxide (a LOO mi num hye DROX ide)Brand Names: Alternagel, Amphojel
Aluminum is a naturally occurring mineral. Aluminum hydroxide is an antacid.
Aluminum hydroxide is used to treat symptoms of increased stomach acid, such as heartburn, upset stomach, sour stomach, or acid indigestion. Aluminum hydroxide is also used to reduce phosphate levels in people with certain kidney conditions.
Aluminum hydroxide may be used for other purposes not listed in this medication guide.What is the most important information I should know about Alternagel (aluminum hydroxide)?
Ask a doctor or pharmacist before taking this medication if you have kidney disease, kidney stones, severe constipation, if you are dehydrated, or if you drink alcohol frequently.Do not take aluminum hydroxide for longer than 2 weeks without your doctor's advice.
Avoid taking other medications at the same time you take aluminum hydroxide. Antacids can make it harder for your body to absorb certain other drugs.What should I discuss with my healthcare provider before taking Alternagel (aluminum hydroxide)?
Ask a doctor or pharmacist if it is safe for you to take this medication if you have:
if you are dehydrated; or
if you drink alcohol frequently.
Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.Shake the oral suspension (liquid) well just before you measure a dose. To be sure you get the correct dose, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one. Take this medication with a full glass (8 ounces) of water.
Aluminum hydroxide is usually taken between meals or at bedtime.Do not take aluminum hydroxide for longer than 2 weeks without your doctor's advice. Store aluminum hydroxide at room temperature away from moisture, heat, and light.
Since antacids are usually taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include severe constipation, weight loss, confusion, mood changes, or urinating less than usual or not at all.
Avoid taking other medications at the same time you take aluminum hydroxide. Antacids can make it harder for your body to absorb certain other drugs.
severe stomach pain or constipation;
bloody, black, or tarry stools;
coughing up blood that looks like coffee grounds;
pain when you urinate;
extreme drowsiness; or
tired feeling, loss of appetite, and muscle weakness.
Less serious side effects are more likely, and you may have none at all.
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.
There may be other drugs that can interact with aluminum hydroxide. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.