Dialume Side Effects
Generic Name: aluminum hydroxide
Note: This page contains information about the side effects of aluminum hydroxide. Some of the dosage forms included on this document may not apply to the brand name Dialume.
Not all side effects for Dialume may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to aluminum hydroxide: oral suspension
Get emergency medical help if you have any of these signs of an allergic reaction while taking aluminum hydroxide (the active ingredient contained in Dialume) hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using the medication and call your doctor at once if you have a serious side effect such as:
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.
For Healthcare Professionals
Applies to aluminum hydroxide: compounding gel, compounding powder, oral capsule, oral suspension, oral tablet
Although the majority of aluminum ingested is eliminated by the gastrointestinal tract, absorption of aluminum and increases in serum concentrations have been demonstrated. Accumulation of aluminum and resulting toxicity is confined to patients with renal dysfunction and impaired elimination of aluminum.
Sources of aluminum in patients with renal failure have included water used for dialysate solutions, in addition to aluminum hydroxide. Adverse effects of aluminum accumulation in these patients has led to monitoring of water source aluminum content by dialysis units and periodic measurements of serum aluminum in patients undergoing chronic dialysis.
High aluminum concentrations in patients are generally also associated with high daily doses. One study suggested that increases in aluminum concentrations in uremic patients were most significant with daily doses greater than 3 grams of aluminum hydroxide. Age of the patient has also been directly correlated with aluminum concentrations with younger age groups perhaps demonstrating higher concentrations.
Concurrent administration of aluminum hydroxide with citrate containing products has been associated with unusually high serum concentrations of aluminum and, especially in cases of renal failure, severe toxicity. It was speculated that citrate increases the solubility and absorption of aluminum.
Aluminum concentrations during aluminum hydroxide therapy has also been correlated with body iron stores. One study demonstrated a negative correlation between serum aluminum concentrations and serum ferritin levels. It was postulated that high serum ferritin and high transferritin saturation might hamper gut absorption of aluminum.
During long-term use, aluminum has been shown to deposit in bone, joints, and the brain of patients who accumulate aluminum.
Gastrointestinal side effects have been reported the most frequently. These have included constipation and impaction. Generally, aluminum hydroxide (the active ingredient contained in Dialume) is combined with another antacid so lower doses may be used to counterbalance the constipating effect.
Metabolic side effects have included hypophosphatemia with the use of aluminum hydroxide (the active ingredient contained in Dialume) In patients on long-term aluminum hydroxide therapy, especially in association with poor diets, hypophosphatemia may result in muscle weakness, rhabdomyolysis, hemolysis, and encephalopathy.
Aluminum hydroxide complexes with phosphate in the gut to form insoluble aluminum phosphate, thus inhibiting the absorption of dietary phosphate. Aluminum hydroxide is commonly used in patients with renal dysfunction to regulate the accumulation of phosphate due to decreased elimination.
Hypophosphatemia is thought to stimulate the conversion of calcifediol (25-hydroxy vitamin D3) to calcitriol (1,25-dihydroxy vitamin D3), a potent stimulator of calcium and phosphorous intestinal absorption and osteoclastic resorption. Hypercalciuria is generally associated with hypophosphatemia.
Musculoskeletal adverse effects due to aluminum hydroxide (the active ingredient contained in Dialume) commonly includes osteomalacia, which may occur by two different mechanisms. Osteomalacia may occur due to hypophosphatemia or due to aluminum accumulation in bone. Osteomalacia due to hypophosphatemia is often accompanied by malaise, bone pain, muscular weakness, and bone fractures. Osteomalacia due to aluminum deposition may present in a similar fashion and occurs predominantly in patients with chronic renal failure. Aluminum deposits are seen on bone biopsy.
Aluminum hydroxide associated hypophosphatemia, if severe and chronic, results in decreased bone mineralization and potentially osteomalacia. Hypophosphatemia is also thought to stimulate the conversion of calcifediol (25-hydroxy vitamin D3) to calcitriol (1,25-dihydroxy vitamin D3), a potent stimulator of osteoclastic resorption, thus contributing to osteomalacia. These patients generally require phosphorus replacement therapy. Symptoms of osteomalacia may take several weeks to resolve.
Osteomalacia due to aluminum deposition in bone is generally only seen in patients with chronic renal failure. Bone formation slows in response to aluminum bone deposits. Aluminum may also deposit in joint tissue, resulting in arthropathy and hydrarthrosis.
Nervous system side effects have included encephalopathy which has occasionally been reported in patients with renal failure on long-term therapy with aluminum hydroxide (the active ingredient contained in Dialume) When available, basal and/or deferoxamine stimulated aluminum serum levels reveal high concentrations.
Encephalopathy associated with aluminum accumulation is generally characterized by speech disorders, dysarthria, dyspraxia, dysphasia, tremor, myoclonus, seizures, coma, and death. EEG of patients with aluminum encephalopathy has shown paroxysmal slowing, and diffuse rhythmical bursts of delta activity.
The interval between commencement of aluminum hydroxide therapy and development of encephalopathy in eight reported cases ranged from three weeks to three months. In two of these patients, aluminum serum concentrations of 871 to 2267 mcg/L were reported. These patients were on concomitant sodium citrate therapy. Most chronic dialysis patients develop aluminum encephalopathy slowly over several years.
Renal side effects have rarely included formation of renal calculi, most probably due to hypercalciuria, with the use of aluminum hydroxide (the active ingredient contained in Dialume)
Antacids may interfere with drug therapies because of their effect on gastric pH, adsorption or binding to drugs, and changes in urinary pH.
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