| Brand & Generic Names
 
| Many multivitamin preparation | s. Check labels. |  
 Basic Information
 
Habit forming? No
Prescription needed? No
Available as generic? Yes
Drug class: Vitamin supplement
 
 Uses
 
 Dietary supplement to ensure normal growth and health.
 Dietary supplement to treat symptoms caused by deficiency of 
B-2: sores in mouth, eyes sensitive to light, itching and 
peeling skin.
 
 Dosage & Usage Information
How to take:
Tablet--Swallow with liquid or food to lessen stomach 
irritation. If you can't swallow whole, crumble tablet and take 
with liquid or food.
 
When to take:
At the same times each day.
 
If you forget a dose:
Take as soon as you remember. Resume 
regular schedule. Don't double dose.
 
What drug does:
Promotes normal growth and health.
 
Time lapse before drug works:
Requires continual intake.
 
Don't take with:
Any other medicine without consulting your doctor or pharmacist.
 
 Overdose
SYMPTOMS:
Dark urine, nausea, vomiting.
 
WHAT TO DO:
 
Overdose unlikely to threaten life. If person takes much larger 
amount than prescribed, call doctor, poison-control center or 
hospital emergency room for instructions.
 
 Possible Adverse Reactions or Side Effects
Life-threatening:
 
Common:
 
Infrequent:
 
Rare:
 
 Warnings & Precautions
Don't take if:
 
 You are allergic to any B vitamin.
 You have chronic kidney failure.
 
Before you start, consult your doctor:
If you are pregnant or plan pregnancy.
 
Over age 60:
No problems expected.
 
Pregnancy:
Recommended. Consult doctor.
 
Breast-feeding:
Recommended. Consult doctor.
 
Infants & children:
Consult doctor.
 
Prolonged use:
No problems expected.
 
Skin & sunlight:
No problems expected.
 
Driving, piloting or hazardous work:
No problems expected.
 
Discontinuing:
No problems expected.
 
Others:
A balanced diet should provide all the vitamin B-2 a healthy 
person needs and make supplements unnecessary during periods of 
good health. Best sources are milk, meats and green leafy 
vegetables.
 
 Possible Interaction with Other Drugs
 
| GENERIC NAME | COMBINED EFFECT |  |  |  |  
| ------------------------ | ----------------------- |  
| Anticholinergics* | Possible increased riboflavin |  
|  | absorption. |  
| Antidepressants, | Decreased riboflavin |  
| tricyclic (TCA)* | effect. |  
| Phenothiazines* | Decreased riboflavin effect. |  
| Probenecid | Decreased riboflavin effect. |  
 Possible Interaction with Other Substances
 
| INTERACTS WITH | COMBINED EFFECT |  
| --------------- | --------------- |  
| Alcohol: | Prevents uptake and absorption of |  
|  | vitamin B-2. |  |  |  |  
| Beverages: | No problems expected. |  |  |  |  
| Cocaine: | No problems expected. |  |  |  |  
| Foods: | No problems expected. |  |  |  |  
| Marijuana: | No problems expected. |  |  |  |  
| Tobacco: | Prevents absorption of vitamin B-2 |  
|  | and other vitamins and nutrients. |  
 |