Antacid

Name: Antacid

Antacid side effects
Antacid serious side effects
Antacid effects of
Antacid drug

Before Using This Medicine

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Antacids should not be given to young children (under 6 years of age) unless ordered by their doctor. Since children cannot usually describe their symptoms very well, a doctor should first check the child. The child may have a condition that needs other treatment. If so, antacids will not help and may even cause unwanted effects or make the condition worse. In addition, aluminum- or magnesium-containing medicines should not be given to premature or very young children because they may cause serious side effects, especially when given to children who have kidney disease or who are dehydrated.

Geriatric

Aluminum-containing antacids should not be used by elderly persons with bone problems or with Alzheimer's disease. The aluminum may cause their condition to get worse.

Pregnancy

Studies on effects in pregnancy have not been done in either humans or animals. However, there have been reports of antacids causing side effects in babies whose mothers took antacids for a long time, especially in high doses during pregnancy. Also, sodium-containing medicines should be avoided if you tend to retain (keep) body water.

Breast Feeding

Some aluminum-, calcium-, or magnesium-containing antacids may pass into breast milk. However, these medicines have not been reported to cause problems in nursing babies.

Interactions with Medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using medicines in this class with any of the following medicines is not recommended. Your doctor may decide not to treat you with a medication in this class or change some of the other medicines you take.

Amantadine
Amifampridine
Amisulpride
Atropine
Belladonna
Belladonna Alkaloids
Benztropine
Bepridil
Biperiden
Cisapride
Clidinium
Darifenacin
Dicyclomine
Dronedarone
Eplerenone
Fesoterodine
Glycopyrrolate
Hyoscyamine
Mesoridazine
Methscopolamine
Oxybutynin
Pimozide
Piperaquine
Procyclidine
Saquinavir
Scopolamine
Solifenacin
Sparfloxacin
Terfenadine
Thioridazine
Tolterodine
Trihexyphenidyl
Trospium
Ziprasidone

Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Aceclofenac
Acemetacin
Alacepril
Amiloride
Amiodarone
Amphetamine
Amprenavir
Amtolmetin Guacil
Anagrelide
Aripiprazole
Aripiprazole Lauroxil
Arsenic Trioxide
Atazanavir
Benazepril
Benzphetamine
Bromfenac
Bufexamac
Bupropion
Buserelin
Canrenoate
Captopril
Celecoxib
Cilazapril
Clarithromycin
Clonixin
Clozapine
Crizotinib
Dabrafenib
Dasatinib
Deferasirox
Degarelix
Delamanid
Delapril
Delavirdine
Deslorelin
Deutetrabenazine
Dexibuprofen
Dexketoprofen
Dextroamphetamine
Diclofenac
Digoxin
Dipyrone
Domperidone
Donepezil
Droxicam
Efavirenz
Elvitegravir
Enalaprilat
Enalapril Maleate
Erlotinib
Escitalopram
Etodolac
Etofenamate
Etoricoxib
Felbinac
Fenoprofen
Fepradinol
Feprazone
Floctafenine
Fluconazole
Flufenamic Acid
Fluoxetine
Flurbiprofen
Fosamprenavir
Foscarnet
Fosinopril
Gefitinib
Gonadorelin
Goserelin
Histrelin
Hydroxychloroquine
Hydroxyzine
Ibuprofen
Imidapril
Indomethacin
Ivabradine
Ketoconazole
Ketoprofen
Ledipasvir
Leuprolide
Levofloxacin
Licorice
Lisdexamfetamine
Lisinopril
Lornoxicam
Loxoprofen
Lumiracoxib
Meclofenamate
Mefenamic Acid
Meloxicam
Memantine
Methadone
Methamphetamine
Metronidazole
Moexipril
Morniflumate
Moxifloxacin
Mycophenolate Mofetil
Mycophenolic Acid
Nabumetone
Nafarelin
Naproxen
Nepafenac
Niflumic Acid
Nimesulide
Nimesulide Beta Cyclodextrin
Ondansetron
Oxaprozin
Oxyphenbutazone
Panobinostat
Parecoxib
Pasireotide
Pazopanib
Pentopril
Perindopril
Phenylbutazone
Phenytoin
Piketoprofen
Pimavanserin
Piroxicam
Pitolisant
Posaconazole
Proglumetacin
Propyphenazone
Proquazone
Quetiapine
Quinapril
Quinine
Raltegravir
Ramipril
Ribociclib
Rilpivirine
Rofecoxib
Sevoflurane
Sotalol
Spirapril
Spironolactone
Sulindac
Sulpiride
Tacrolimus
Temocapril
Tenoxicam
Tiaprofenic Acid
Tizanidine
Tolazoline
Tolfenamic Acid
Tolmetin
Trandolapril
Triamterene
Triptorelin
Valdecoxib
Vandetanib
Vemurafenib
Vinflunine
Vismodegib
Zofenopril
Zuclopenthixol

Interactions with Food/Tobacco/Alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Along with its needed effects, a medicine may cause some unwanted effects. Although the following side effects occur very rarely when this medicine is taken as recommended, they may be more likely to occur if: too much medicine is taken; it is taken in large doses; it is taken for a long time; or it is taken by patients with kidney disease.

Check with your doctor as soon as possible if any of the following side effects occur:

For aluminum-containing antacids (including magaldrate)

Bone pain
constipation (severe and continuing)
feeling of discomfort (continuing)
loss of appetite (continuing)
mood or mental changes
muscle weakness
swelling of wrists or ankles
weight loss (unusual)

For calcium-containing antacids

Constipation (severe and continuing)
difficult or painful urination
frequent urge to urinate
headache (continuing)
loss of appetite (continuing)
mood or mental changes
muscle pain or twitching
nausea or vomiting
nervousness or restlessness
slow breathing
unpleasant taste
unusual tiredness or weakness

For magnesium-containing antacids (including magaldrate)

Difficult or painful urination (with magnesium trisilicate)
dizziness or lightheadedness
feeling of discomfort (continuing)
irregular heartbeat
loss of appetite (continuing)
mood or mental changes
muscle weakness
unusual tiredness or weakness
weight loss (unusual)

For sodium bicarbonate-containing antacids

Frequent urge to urinate
headache (continuing)
loss of appetite (continuing)
muscle pain or twitching
nausea or vomiting
nervousness or restlessness
slow breathing
swelling of feet or lower legs
unpleasant taste
unusual tiredness or weakness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Chalky taste

Less common

Constipation (mild)
diarrhea or laxative effect
increased thirst
speckling or whitish discoloration of stools
stomach cramps

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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