Aluminum Hydroxide/Magnesium Trisilicate

Aluminum hydroxide/magnesium trisilicate is an over-the-counter (OTC) product used to treat gastric hyperacidity and heartburn.

Aluminum hydroxide/magnesium trisilicate is available under the following different brand names: Gaviscon Regular Strength Tablets.

Dosages of Aluminum Hydroxide/Magnesium Trisilicate:

Dosage Forms and Strengths

Tablet, Chewable

• 80mg/14.2mg

Dosage Considerations – Should be Given as Follows:

Gastric Hyperacidity, Heartburn

• Regular Strength Tablets: Chew 2-4 tablets orally every 6 hours as needed; not to exceed 16 tablets/day
• Safety and efficacy not established in pediatric patients

Tablet, Chewable

• 80mg/14.2mg

Dosage Considerations – Should be Given as Follows:

Gastric Hyperacidity, Heartburn

• Regular Strength Tablets: Chew 2-4 tablets orally every 6 hours as needed; not to exceed 16 tablets/day
• Safety and efficacy not established in pediatric patients

Side effects of aluminum hydroxide/magnesium trisilicate include:

Aluminum hydroxide

• Chalky taste
• Constipation
• Fecal impaction
• Stomach cramps
• Nausea
• Vomiting
• Aluminum intoxication
• Low blood magnesium (hypomagnesemia)
• Low blood phosphates (hypophosphatemia)
• Softening of bones

Magnesium Trisilicate

• Diarrhea
• High blood magnesium (hypermagnesemia)
• Nausea
• Vomiting
• Headache
• Dizziness
• Lethargy
• Drowsiness
• Lightheadedness

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

• Severe interactions of aluminum hydroxide/magnesium trisilicate include:
  • raltegravir
• Serious interactions of aluminum hydroxide/magnesium trisilicate include:
  • atazanavir
  • baloxavir marboxil
  • pazopanib
  • ponatinib
• Moderate interactions of aluminum hydroxide/magnesium trisilicate include:
  • budesonide
  • dabrafenib
  • elvitegravir/cobicistat/emtricitabine/tenofovir DF
  • ethambutol
  • ledipasvir/sofosbuvir
  • nilotinib
  • omadacycline
  • pexidartinib
  • rifampin
  • riociguat
  • sarecycline
  • sofosbuvir/velpatasvir
  • vismodegib
• Aluminum hydroxide/magnesium trisilicate has no listed mild interactions with other drugs.
   

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.

Warnings
This medication contains aluminum hydroxide/magnesium trisilicate. Do not take Gaviscon Regular Strength Tablets if you are allergic to aluminum hydroxide/magnesium trisilicate or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.

Contraindications

• Hypersensitivity

Effects of Drug Abuse
No information available

Short-Term Effects

See "What Are Side Effects Associated with Using Aluminum Hydroxide/Magnesium Trisilicate?”

Long-Term Effects

See "What Are Side Effects Associated with Using Aluminum Hydroxide/Magnesium Trisilicate?”

Cautions

• Ringing in the ears (tinnitus) or hearing impairment may reflect toxicity
• Caution in renal failure
• Caution in magnesium restricted diet
• May increase or decrease rate and/or degree of absorption of concomitantly administered oral drugs by changing gastrointestinal (GI) transit time, pH, or by cationic binding

Pregnancy and Lactation

Use aluminum hydroxide/magnesium trisilicate with caution during pregnancy if benefits outweigh risks. Animal studies show risk and human studies are not available or neither animal nor human studies were done.

It is unknown whether aluminum hydroxide/magnesium trisilicate is distributed in breast milk. Consult your doctor before breastfeeding.