Brand & Generic Names
Basic Information
- Habit forming? No
- Prescription needed? Yes
- Available as generic? No
- Drug class: Bronchodilator (xanthine), cough/cold preparation
Uses
- Treatment for bronchial asthma symptoms.
- Loosens mucus in respiratory passages from allergies and
infections.
Dosage & Usage Information
How to take:
Tablet or elixir--Swallow with liquid. If you can't swallow
whole, crumble tablet and take with liquid or food.
When to take:
Most effective taken on empty stomach 1 hour before or 2 hours
after eating. However, may take with food to lessen stomach
upset.
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:
Relaxes and expands bronchial tubes.
Increases production of watery fluids to thin mucus so it can
be coughed out or absorbed.
Time lapse before drug works:
15 to 30 minutes.
Don't take with:
Any stimulant.
Any other medicine without consulting your doctor or pharmacist.
Overdose
SYMPTOMS:
Restlessness, irritability, confusion, delirium,
convulsions, rapid pulse, nausea, vomiting, coma.
WHAT TO DO:
- Dial 911 (emergency) or O (operator) for an ambulance or
medical help. Then give first aid immediately.
- See EMERGENCY Information.
Possible Adverse Reactions or Side Effects
Life-threatening:
Difficult breathing, Discontinue. Seek
irregular or fast emergency treatment.
heartbeat.
Common:
Headache, irritability,
nervousness,
restlessness, insomnia,
nausea, vomiting,
abdominal pain,
drowsiness.
Infrequent:
- Hives, rash,
red or flushed face,
diarrhea, heartburn,
muscle twitching.
- Dizziness,
lightheadedness,
appetite loss.
Rare:
Warnings & Precautions
Don't take if:
- You are allergic to any cough or cold preparation containing
guaifenesin or any bronchodilator.
- You have an active peptic ulcer.
Before you start, consult your doctor:
- If you have had impaired kidney or liver function.
- If you have gastritis, peptic ulcer, high blood pressure or
heart disease.
- If you take medication for gout.
Over age 60:
Adverse reactions and side effects may be more frequent and
severe than in younger persons. For drug to work, you must drink
8 to 10 glasses of fluid per day.
Pregnancy:
Risk to unborn child outweighs drug benefits. Don't use.
Breast-feeding:
Drug passes into milk. Avoid drug or discontinue nursing until
you finish medicine. Consult doctor for advice on maintaining
milk supply.
Infants & children:
Use only under medical supervision.
Prolonged use:
- Stomach irritation.
- Talk to your doctor about the need for follow-up medical
examinations or laboratory studies to check serum oxtriphylline
levels, lung function.
Skin & sunlight:
No problems expected.
Driving, piloting or hazardous work:
Avoid if lightheaded or dizzy. Otherwise, no problems expected.
Discontinuing:
May be unnecessary to finish medicine. Follow doctor's
instructions.
Others:
No problems expected.
Possible Interaction with Other Drugs
GENERIC NAME |
COMBINED EFFECT |
| |
------------------------ |
----------------------- |
Allopurinol |
Decreased allopurinol effect. |
Anticoagulants* |
Possible risk of bleeding. |
Ephedrine |
Increased effect of both drugs. |
Epinephrine |
Increased effect of both drugs. |
Erythromycins* |
Increased bronchodilator effect. |
Furosemide |
Increased furosemide effect. |
Lincomycins* |
Increased bronchodilator effect. |
Lithium |
Decreased lithium effect. |
Probenecid |
Decreased effect of both drugs. |
Propranolol |
Decreased bronchodilator effect. |
Rauwolfia alkaloids* |
Rapid heartbeat. |
Sulfinpyrazone |
Decreased sulfinpyrazone effect. |
Troleandomycin |
Increased bronchodilator effect. |
Possible Interaction with Other Substances
INTERACTS WITH |
COMBINED EFFECT |
--------------- |
--------------- |
Alcohol: |
None expected. |
| |
| |
Caffeine drinks. |
Nervousness and insomnia. You must |
|
drink 8 to 10 glasses of fluid per |
|
day for drug to work. |
| |
Cocaine: |
Excess stimulation. Avoid. |
| |
Foods: |
None expected. |
| |
Marijuana: |
Slightly increased antiasthmatic |
|
effect of bronchodilator. |
| |
Tobacco: |
Decreased bronchodilator effect and |
|
harmful for all conditions |
|
requiring bronchodilator treatment. |
|
Avoid. |
|