Get Alternagel Online

Alternagel (aluminum hydroxide) is a prescription-strength antacid used to relieve acid indigestion, heartburn, and to manage elevated phosphate levels in patients with kidney disease. Get a physician-reviewed treatment plan from home, fast.


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What Is Alternagel?

Alternagel (aluminum hydroxide) is a prescription medication used to manage acid indigestion, heartburn, and hyperphosphatemia associated with chronic kidney disease. It works by neutralizing excess gastric acid in the stomach and by binding dietary phosphate in the gastrointestinal tract to reduce its absorption. With the right dose and ongoing monitoring, most patients experience meaningful relief from acid-related discomfort and improved phosphate control.

  • Neutralizes stomach acid to relieve heartburn and acid indigestion
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Is Online Alternagel Treatment Right for You?

Alternagel (aluminum hydroxide) may be appropriate for adults experiencing frequent acid indigestion, heartburn, or those managing elevated phosphate levels due to chronic kidney disease. A licensed Doctronic physician will review your symptoms, medical history, and current medications to determine whether Alternagel is a safe and suitable option for you.

Because aluminum hydroxide affects phosphate absorption and can interact with kidney function, your provider will also consider your renal health history and any other conditions affecting your gastrointestinal or urinary system before prescribing.

  • Diagnosed with acid indigestion, heartburn, or hyperphosphatemia
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  • Explore treatment and prescription refill options
  • Access care from home, often the same day
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Diagnosed with acid indigestion, heartburn, or hyperphosphatemia Frequent or severe heartburn episodes Stomach pain, nausea, or sour stomach after eating Need a prescription refill Adults 18+ in any U.S. state

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Frequently asked questions

Alternagel (aluminum hydroxide) is used to relieve symptoms of acid indigestion, heartburn, and sour stomach. It is also used in patients with chronic kidney disease to reduce elevated phosphate levels by binding phosphate in the digestive tract before it is absorbed.

Aluminum hydroxide works in two ways. It chemically neutralizes hydrochloric acid in the stomach to reduce acidity and relieve discomfort. It also binds to dietary phosphate in the gut, preventing its absorption and lowering phosphate levels in the blood.

Alternagel is an oral suspension that should be shaken well before use. It is typically taken between meals and at bedtime, or as directed by your physician. Follow your provider's exact dosing instructions, as the dose differs depending on whether you are treating acid symptoms or managing phosphate levels.

Common side effects of Alternagel include constipation and, with prolonged high-dose use, low phosphate levels (hypophosphatemia). Long-term use can also lead to aluminum accumulation, particularly in patients with reduced kidney function. Tell your provider about all medications you take, as aluminum hydroxide can reduce the absorption of many other drugs.

Aluminum hydroxide can bind to and reduce the absorption of many medications, including certain antibiotics, thyroid medications, and heart drugs. It is generally recommended to take other medications at least 1 to 2 hours before or after taking Alternagel. Always inform your physician of all medications and supplements you use.

Alternagel is frequently used in kidney disease specifically to control phosphate levels. However, impaired kidney function reduces the body's ability to excrete aluminum, which can lead to aluminum accumulation over time. Your physician will weigh the benefits and risks and monitor you appropriately if you have chronic kidney disease.

Alternagel should be used cautiously in patients with severely reduced kidney function due to the risk of aluminum toxicity. It may not be appropriate for those with low phosphate levels (hypophosphatemia) or certain bowel conditions. Your Doctronic physician will review your health history to confirm it is safe for you.

Doctronic uses an AI-guided evaluation to gather detailed information about your symptoms and health history. That information is then reviewed by a licensed physician who creates a personalized treatment plan. The entire process is HIPAA-compliant and available to adults 18 and older in any U.S. state.