RANITIDINE |
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RANITIDINE
BRAND & GENERIC NAMES
Zantac
BASIC INFORMATION
Habit forming? No
Prescription needed? Yes
Available as generic? No
Drug class: Histamine H2 antagonist
USES
Treatment for duodenal ulcer.
Decreases acid in stomach.
DOSAGE & USAGE INFORMATION
How to take:
Tablets -- Swallow with liquid.
When to take:
At same times each day.
If you forget a dose:
Take as soon as you remember up to 2 hours late. If more than 2
hours, wait for next scheduled dose (don't double this dose).
What drug does:
Decreases stomach-acid production.
Time lapse before drug works:
2 to 3 hours.
Don't take with:
Alcohol.
Any other medicines, even over-the-counter drugs such as cough
and cold medicines, nose drops, diet pills, laxatives or
caffeine, without consulting your doctor.
OVERDOSE
SYMPTOMS:
Muscular tremors, vomiting, rapid breathing, coma.
WHAT TO DO:
Dial 0 (operator) or 911 (emergency) for an ambulance or
medical help. Then give first aid immediately.
If the child is unconscious and not breathing,
give mouth-to-mouth breathing. If there is no heartbeat, use
cardiac massage and mouth-
to-mouth breathing (CPR). Don't try to make the child vomit. If
you can't get help quickly,
take the child to nearest emergency facility.
See EMERGENCY INFORMATION.
POSSIBLE ADVERSE REACTIONS OR SIDE EFFECTS
SYMPTOMS WHAT TO DO
Life-threatening:
None expected.
Common:
None expected.
Infrequent:
Rash, confusion, Discontinue. Call
diarrhea. doctor right away.
Headache, dizziness, Continue. Call doctor
constipation, nausea, when convenient.
abdominal pain.
Rare:
Jaundice. Discontinue. Call doctor right
away.
WARNINGS & PRECAUTIONS
Don't take if:
You are allergic to any histamine H2 antagonist.
Before you start, consult your doctor:
If you have kidney disease.
Pregnancy:
No proven harm to unborn child. Avoid if possible.
Infants & children:
Don't give to infants or young children unless prescribed and
monitored by your physician.
Prolonged use:
Not recommended. Use for short term only.
Skin & sunlight:
No age-related problems expected.
Driving or hazardous activities:
Avoid if you feel dizzy. Otherwise, no problems expected.
Discontinuing:
Don't discontinue without consulting doctor until you finish
prescribed dose, even though symptoms diminish or disappear.
Others:
Drug interactions with ranitidine may occur in a small number of
the patients, compared to cimetidine.
POSSIBLE INTERACTION WITH OTHER DRUGS
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| Antacids |
Decreased absorption |
| (see Drugs Glossary) |
of ranitidine if taken |
| |
simultaneously. |
| Glipizide |
Possible increased glipizide |
| |
effect. |
| Ketoconazole |
Decreased absorption of ranitidine. |
| Procainamide |
Increased procainamide effect and |
| |
toxicity. |
| Theophylline |
Possible increased theophylline |
| |
effect. |
| Warfarin |
Increased warfarin effect. |
POSSIBLE INTERACTION WITH OTHER SUBSTANCES
| Marijuana: |
No proven problems. |
| Tobacco: |
Decreased ranitidine effect. |
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