Brand & Generic Names
Basic Information
- Habit forming? No
- Prescription needed? Yes
- Available as generic? Yes
- Drug class: Vasodilator
Uses
- May improve poor blood circulation.
- Management of premature labor.
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 up to 2 hours
late. If more than 2 hours, wait for next scheduled dose (don't
double this dose).
What drug does:
Expands blood vessels, increasing flow and permitting
distribution of oxygen and nutrients.
Time lapse before drug works:
1 hour.
Don't take with:
Any other medicine without consulting your doctor or pharmacist.
Overdose
SYMPTOMS:
Headache, dizziness, flush, vomiting, weakness,
sweating, fainting, shortness of breath, coma.
WHAT TO DO:
- Dial 911 (emergency) or O (operator) for an ambulance or
medical help. Then give first aid immediately.
- If patient 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 patient
vomit. If you can't get help quickly, take patient to nearest
emergency facility.
- See EMERGENCY Information.
Possible Adverse Reactions or Side Effects
Life-threatening:
In case of overdose, see Overdose section.
Common:
- Appetite loss,
nausea, vomiting.
- Dizziness, faintness,
flushing.
- Weakness, lethargy.
Infrequent:
Rash, chest pain,
shortness of breath.
Rare:
Rapid or irregular
heartbeat.
Warnings & Precautions
Don't take if:
- You are allergic to any vasodilator.
- You have any bleeding disease.
Before you start, consult your doctor:
- If you have high blood pressure, hardening of the arteries or
heart disease.
- If you plan to become pregnant within medication period.
- If you have glaucoma.
Over age 60:
Adverse reactions and side effects may be more frequent and
severe than in younger persons.
Pregnancy:
Studies inconclusive on harm to unborn child. Decide with your
doctor whether drug benefits justify risk to unborn child.
Breast-feeding:
No problems expected, but consult doctor.
Infants & children:
Not recommended.
Prolonged use:
Talk to your doctor about the need for follow-up medical
examinations or laboratory studies.
Skin & sunlight:
No problems expected.
Driving, piloting or hazardous work:
Avoid if you feel dizzy or faint. Otherwise, no problems
expected.
Discontinuing:
Don't discontinue without doctor's advice until you complete
prescribed dose, even though symptoms diminish or disappear.
Others:
- Be cautious when arising from lying or sitting position, when
climbing stairs, or if dizziness occurs.
- May interfere with the accuracy of some medical tests.
Possible Interaction with Other Drugs
GENERIC NAME |
COMBINED EFFECT |
| |
------------------------ |
----------------------- |
| |
Possible Interaction with Other Substances
INTERACTS WITH |
COMBINED EFFECT |
--------------- |
--------------- |
Alcohol: |
None expected. |
| |
| |
Milk. |
Decreased stomach irritation. |
| |
Cocaine: |
Decreased blood circulation to |
|
extremities. Avoid. |
| |
Foods: |
None expected. |
| |
Marijuana: |
Rapid heartbeat. |
| |
Tobacco: |
Decreased isoxsuprine effect; |
|
nicotine constricts blood vessels. |
|