DIPHENIDOL |
|
DIPHENIDOL
BRAND & GENERIC NAMES
Vontrol
BASIC INFORMATION
Habit forming? No
Prescription needed? Yes
Available as generic? No
Drug class: Antiemetic, antivertigo
USES
Prevents motion sickness.
Controls nausea and vomiting (do not use during pregnancy).
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 chew
or take with liquid or food.
When to take:
30 to 60 minutes before traveling.
If you forget a dose:
Take as soon as you remember. Wait 4 hours for next dose.
What drug does:
Reduces sensitivity of nerve endings in inner ear, blocking
messages to brain's vomiting center.
Time lapse before drug works:
30 to 60 minutes.
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:
Drowsiness, confusion, incoordination, weak pulse, shallow
breathing, stupor, coma.
WHAT TO DO:
Dial 0 (operator) or 911 (emergency) for an ambulance or
medical help. Then give first aid immediately.
See EMERGENCY INFORMATION.
POSSIBLE ADVERSE REACTIONS OR SIDE EFFECTS
SYMPTOMS WHAT TO DO
Life-threatening:
None expected.
Common:
Drowsiness. Continue. Tell doctor at next
visit.
Infrequent:
Headache, diarrhea Continue. Call doctor
or constipation, when convenient.
fast heartbeat.
Dry mouth, nose, Continue. Tell doctor
throat. at next visit.
Rare:
Hallucinations, Discontinue. Seek
confusion. emergency treatment.
Rash or hives, Discontinue. Call
depression, jaundice. doctor right away.
Restlessness; Continue. Call doctor
excitement; when convenient.
insomnia; blurred
vision; urgent,
painful or difficult
urination.
Appetite loss, Continue. Tell doctor
nausea. at next visit.
WARNINGS & PRECAUTIONS
Don't take if:
You have severe kidney disease.
You are allergic to diphenidol or meclizine.
Before you start, consult your doctor:
If you have prostate enlargement.
If you have glaucoma.
If you have heart disease.
If you have intestinal obstruction or ulcers in the
gastrointestinal tract.
If you have kidney disease.
If you have low blood pressure.
If you will have surgery within 2 months, including dental
surgery, requiring general or spinal anesthesia.
Pregnancy:
Animal studies show fetal abnormalities. Decide with your
doctor whether drug benefits justify risk to unborn child.
Infants & children:
No age-related problems expected.
Prolonged use:
No age-related problems expected.
Skin & sunlight:
No age-related problems expected.
Driving or hazardous activities:
Don't fly aircraft. Don't drive until you learn how medicine
affects you. Don't work around dangerous machinery. Don't climb
ladders or work in high places. Danger increases if
you drink alcohol or take medicine affecting alertness and
reflexes, such as antihistamines, tranquilizers, sedatives, pain
medicine, narcotics and mind-altering drugs.
Discontinuing:
No age-related problems expected.
Others:
No age-related problems expected.
POSSIBLE INTERACTION WITH OTHER DRUGS
|
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| Anticonvulsants |
Increased effect of |
| (see Drugs Glossary) |
both drugs. |
| Antidepressants, |
Increased sedative |
| tricyclic (TCA, |
effect of both drugs. |
| see Drugs Glossary) |
| Antihistamines |
Increased sedative |
| (see Drugs Glossary) |
effect of both drugs. |
| Atropine |
Increased chance of toxic effect of |
| |
atropine and atropine-like |
| |
medicines. |
| Narcotics |
Increased sedative effect of both |
| |
drugs. |
| Sedatives |
Increased sedative effect of both |
| |
drugs. |
| Tranquilizers |
Increased sedative effect of both |
| |
drugs. |
POSSIBLE INTERACTION WITH OTHER SUBSTANCES
| Marijuana: |
Increased drowsiness, dry mouth. |
| Tobacco: |
None expected. |
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