VITAMIN C (ASCORBIC ACID) |
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VITAMIN C (ASCORBIC ACID)
BRAND & GENERIC NAMES
Adenex Cetane
Apo-C Cevalin
Arco-Cee Cevi-Bid
Ascorbajen Ce-Vi-Sol
Ascorbicap Cevita
Ascoril C-Ject
Calscorbate Flavorcee
Cecon Liqui-Cee
Cemill Megascorb
Cenolate Redoxon
Ceri-Bid
Numerous other multiple vitamin-mineral supplements.
BASIC INFORMATION
Habit forming? No
Prescription needed? No
Available as generic? Yes
Drug class: Vitamin supplement
USES
Prevention and treatment of scurvy and other vitamin-C
deficiencies.
Treatment of anemia.
Maintenance of acid urine.
DOSAGE & USAGE INFORMATION
How to take:
Tablets, capsules, liquid--Swallow with 8 oz. water.
Extended-release tablets--Swallow whole.
Drops--Squirt directly into mouth or mix with liquid or food.
Chewable tablets--Chew well before swallowing.
When to take:
1, 2 or 3 times per day, as prescribed on label.
If you forget a dose:
Take as soon as you remember. Return to regular schedule.
What drug does:
May help form collagen.
Increases iron absorption from intestine.
Contributes to hemoglobin and red-blood-cell production in bone
marrow.
Time lapse before drug works:
1 week.
Don't take with:
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:
Diarrhea, vomiting, dizziness.
WHAT TO DO:
Overdose unlikely to threaten life. If child takes much larger
amount than prescribed, call doctor, poison-control center or
hospital emergency room for instructions.
POSSIBLE ADVERSE REACTIONS OR SIDE EFFECTS
SYMPTOMS WHAT TO DO
Life-threatening:
None expected.
Common:
None expected.
Infrequent:
Mild diarrhea, Discontinue. Call
nausea, vomiting. doctor right away.
Flushed face. Continue. Call doctor when
convenient.
Rare:
Kidney stones with Discontinue. Call
high doses, anemia. doctor right away.
Headache. Continue. Tell doctor at next
visit.
WARNINGS & PRECAUTIONS
Don't take if:
You are allergic to vitamin C.
Before you start, consult your doctor:
If you have sickle-cell or other anemia.
If you have had kidney stones.
If you have gout.
Pregnancy:
No proven harm to unborn child. Avoid large doses.
Infants & children:
Avoid large doses.
Keep vitamin-mineral supplements out of children's reach.
Prolonged use:
Large doses for longer than 2 months may cause kidney stones.
Skin & sunlight:
No age-related problems expected.
Driving or hazardous activities:
No age-related problems expected.
Discontinuing:
No age-related problems expected.
Others:
Store in cool, dry place.
May cause inaccurate tests for sugar in urine or blood in
stool.
May cause crisis in patients with sickle-cell anemia.
A balanced diet should provide all the vitamin C a healthy
person needs and make supplements unnecessary. Best sources are
citrus, strawberries, cantaloupe and raw peppers.
Don't take large doses of vitamin C (1,000mg or more per day)
unless prescribed by your doctor.
Some products contain tartrazine dye. Avoid, especially if you
are allergic to aspirin.
POSSIBLE INTERACTION WITH OTHER DRUGS
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| Amphetamines |
Possible decreased amphetamine |
| (see Drugs Glossary) |
effect. |
| Anticholinergics |
Possible decreased anticholinergic |
| (see Drugs Glossary) |
effect. |
| Anticoagulants (oral, |
Possible decreased |
| see Drugs Glossary) |
anticoagulant effect. |
| Antidepressants, |
Possible decreased |
| tricyclic (TCA, |
antidepressant effect. |
| see Drugs Glossary) |
| Aspirin |
Decreased vitamin C effect and |
| |
salicylate excretion. |
| Barbiturates |
Decreased vitamin C |
| (see Drugs Glossary) |
effect. Increased barbiturate |
| |
effect. |
| Contraceptives (oral, |
Decreased vitamin C |
| see Drugs Glossary) |
effect. |
| Estrogens |
Increased likelihood of adverse |
| (see Drugs Glossary) |
effects from estrogen with 1gm or |
| |
more of vitamin C per day. |
| Iron supplements |
Increased iron absorption. |
| (see Drugs Glossary) |
| Mexiletine |
Possible decreased effectiveness of |
| |
mexiletine. |
| Quinidine |
Possible decreased quinidine |
| |
effect. |
| Salicylates |
Decreased vitamin C effect and |
| (see Drugs Glossary) |
salicylate excretion. May lead to |
| |
salicylate toxicity. |
| Tranquilizers |
May decrease |
| (phenothiazine, |
phenothiazine effect if |
| see Drugs Glossary) |
no vitamin C deficiency exists. |
POSSIBLE INTERACTION WITH OTHER SUBSTANCES
| Marijuana: |
None expected. |
| Tobacco: |
Increased requirement for vitamin |
| |
C. |
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