Information for Acid Reflux Treatment - Medications for Acid Reflux

Medications for Acid Reflux

j Magnesium
k Calcium
l Aluminum
m H2 Blockers
n FDA Warning for Famotidine (Pepcid AC)
o Proton-Pump Inhibitors
p Agents that Protect the Mucus Lining (Sucralfate)
q Anti-Spasm Drugs Prevent Acid and Non-Acid Reflux

Antacids neutralize digestive acids and are the primary drugs for mild symptoms. They are best used alone for relief of occasional and unpredictable episodes of heartburn. They all work by neutralizing the acid in the stomach. They may also stimulate the defensive systems in the stomach by increasing bicarbonate and mucous secretion. Many antacids are available without prescription and are the first drugs recommended to relieve heartburn and mild symptoms. Despite the many brands, they all rely on various combinations of three basic ingredients: magnesium, calcium, or aluminum.

j Magnesium. Magnesium salts are available in the form of magnesium carbonate, magnesium trisilicate, and most commonly, magnesium hydroxide (Milk of Magnesia). The major side effect of magnesium salts is diarrhea. Magnesium salts offered in combination products with aluminum (Mylanta and Maalox) balance the side effects of diarrhea and constipation.

k Calcium. Calcium carbonate (Tums, Titralac, and Alka-2) is a potent and rapid acting antacid that can cause constipation. These antacids are actually sources of calcium. There have been rare cases of hypercalcemia (elevated levels of calcium in the blood) in people taking calcium carbonate for long periods of time. This can lead to kidney failure and is very dangerous. None of the other antacids has this side effect.

l Aluminum. Aluminum salts (Amphogel, Alternagel) are also available. The most common side effect of antacids containing aluminum salts is constipation. People who take large amounts of antacids that contain aluminum may also be at risk for calcium loss, which can lead to osteoporosis.

Osteoporosis is a condition characterized by progressive loss of bone density, thinning of bone tissue and increased vulnerability to fractures. Osteoporosis may result from disease, dietary or hormonal deficiency or advanced age. Regular exercise and vitamin and mineral supplements can reduce and even reverse loss of bone density.
It is generally believed that liquid antacids work faster and are more potent than tablets, although evidence suggests that they all work equally well. Antacids can interact with a number of drugs in the intestines by reducing their absorption. These drugs include tetracycline, ciprofloxacin (Cipro), propranolol (Inderal), captopril (Capoten), and H2 blockers. Interactions can be avoided by taking the drugs one hour before or three hours after taking the antacid. Long-term use of nearly any antacid increases the risk for kidney stones.

m H2 Blockers. H2 blockers impede acid production by blocking or antagonizing the actions of histamine, a chemical found in the body that encourages acid secretion in the stomach. They are available over the counter and provide symptom relief in about half of GERD patients. It takes between a half hour to 90 minutes for them to work, but benefits last for hours. The drugs are usually taken at bedtime. Some people may need to take them twice a day.

H2 blockers inhibit acid secretion for 6 to 24 hours and are very useful for people who need persistent acid suppression. They may also prevent heartburn episodes in people who are able to predict its occurrence. In some studies, H2 blockers improved asthmatic symptoms in people who suffer from both conditions. A 2001 study suggested, however, that they rarely provide complete symptoms relief for chronic heartburn and dyspepsia and they have done little to reduce office visits to physicians for GERD.

Brands. Four H2 blockers are currently available in the U.S.:

Famotidine (Pepcid AC). Famotidine (Pepcid AC, Pepcid Oral) is the most potent H2 blocker. The most common side effect of famotidine is headache, which occurs in 4.7% of people who take it. Famotidine is virtually free of drug interactions but the FDA has issued a warning on its use in patients with kidney problems.
Cimetidine (Tagamet, Tagamet HB). Cimetidine (Tagamet) is the oldest H2 blocker. It has few side effects; approximately 1% of people taking it will experience mild temporary diarrhea, dizziness, rash, or headache.
Cimetidine interacts with a number of commonly used medications, such as phenytoin, theophylline, and warfarin. Long-term use of excessive doses (more than 3 grams a day) may cause impotence or breast enlargement in men. These problems resolve after the drug is discontinued.
Ranitidine (Zantac, Zantac 75, Zantac Efferdose, Zantac injection, Zantac Syrup). Ranitidine (Zantac) interacts with very few drugs. In a recent study, ranitidine provided more pain relief and healed ulcers more quickly than cimetidine in people less than 60 years old, but there was no difference in older patients. A common side effect associated with ranitidine is headache, which occurs in about 3% of the people who take it.
Nizatidine Capsules (Axid AR, Axid Capsules, Nizatidine Capsules). Nizatidine (Axid) is nearly free of side effects and drug interactions. A controlled release form is proving to help alleviate nighttime GERD symptoms.

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