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ANTIHISTAMINES

ANTIHISTAMINES
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ANTIHISTAMINES

BRAND & GENERIC NAMES

Actidil Fenylhist
Aller-Chlor Fynex
Allerid-O.D. Gravol
Apo-Dimenhydrinate Hal-Chlor
AZATADINE Hispril
Bayidyl Histaject Modified
Beldin Histrey
Bena-D Hydramine
Benadryl Hydrate
Benadryl Children's Allergy Hydril
Benadryl Complete Allergy Hyrexin-50
Benahist HYDROXYZINE
Benoject-10 Insomnal
Benylin Marmine
Bromamine Motion-Aid
Brombay Nasahist B
BROMODIPHENHYDRAMINE Nauseatol
Bromphen ND-Stat Revised
BROMPHENIRAMINE Nervine Nighttime Sleep-Aid
Calm X Nolahist
CARBINOXAMINE Noradryl
Chlo-Amine Nordryl
Chlor-100 Novodimenate
Chlor-Mal Novopheniram
Chlor-Niramine Nytol with DPH
Chlor-Trimeton Oraminic II
Chlor-Trimeton Repetabs PBZ
Chlor-Tripolon PBZ-SR
Chlorphed Periactin
Chlorphen Phenetron
CHLORPHENIRAMINE Phenetron Lanacaps
Chlorspan PHENINDAMINE
Chlortab PMS-Dimenhydrinate
CLEMASTINE Polaramine
Clistin Polaramine Repetabs
Compoz PROMETHAZINE
CYPROHEPTADINE PYRILAMINE
Dehist Reidamine
DEXCHLORPHENIRAMINE Robalyn
Diahist Seldane
Dihydrex Sleep-Eze 3
DIMENHYDRINATE Sominex
Dimentabs Sominex Formula 2
Dimetane Somnicaps
Dimetane Extentabs Tavist
Dimetane-Ten T.D. Alermine
Dinate Teldrin
Diphen Travamine
Diphenacen TRIMEPRAZINE
Diphenadril TRIPELENNAMINE
DIPHENHYDRAMINE TRIPROLIDINE
DIPHENYLPYRALINE Trymegen
Dommanate Tusstat
Dormarex Twilite
DOXYLAMINE Unisom Nighttime Sleep-Aid
Dramamine Valdrene
Dramilin Veltane
Dramocen Wehamine
Dramoject Wehdryl
Dymenate

BASIC INFORMATION

Habit forming? No

Prescription needed? Yes

Available as generic? No

Drug class: Antihistamine

USES

Reduces allergic symptoms such as hay fever, hives, rash or
itching.
Induces sleep.

DOSAGE & USAGE INFORMATION

How to take:
Tablet -- Swallow with liquid or food to lessen stomach
irritation.
When to take:
Varies with form. Follow label directions.
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:
Blocks action of histamine after an allergic response triggers
histamine release in sensitive cells.

Time lapse before drug works:
30 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:
Convulsions, red face, hallucinations, coma.
WHAT TO DO:

Dial 0 (operator) or 911 (emergency) for an ambulance or medical help. Then give first aid immediately.

If the child 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 the child vomit. If you can't get help quickly, take the child to nearest emergency facility.

See EMERGENCY INFORMATION.

POSSIBLE ADVERSE REACTIONS OR SIDE EFFECTS

SYMPTOMS WHAT TO DO

Life-threatening:
None expected.
Common:
Drowsiness; dizziness; Continue. Tell doctor
dry mouth, nose, at next visit.
throat; nausea.
Infrequent:

Changes in vision. Discontinue. Call doctor right away.

Less tolerance for Continue. Call doctor contact lenses, when convenient. difficult urination.

Appetite loss, Continue. Tell doctor gastric discomfort. at next visit. Rare: Nightmares, agitation, Discontinue. Call irritability, sore doctor right away. throat, fever, rapid or slow heartbeat, unusual bleeding or bruising, fatigue, weakness, decreased libido, impotence.

WARNINGS & PRECAUTIONS

Don't take if:
You are allergic to any antihistamine.

Before you start, consult your doctor:

If you have glaucoma.

If you have enlarged prostate.

If you have asthma.

If you have kidney disease.

If you have peptic ulcer.

If you will have surgery within 2 months, including dental surgery, requiring general or spinal anesthesia. Pregnancy: Unknown effect on unborn child. Avoid if possible. Infants & children: Not recommended for premature or newborn infants. Otherwise, no problems expected. Prolonged use: Avoid. May damage bone-marrow and nerve cells. Skin & sunlight: May cause rash or intensify sunburn in areas exposed to sun or sunlamp. Driving or hazardous activities: Don't drive or pilot aircraft 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: May mask symptoms of hearing damage from aspirin, other salicylates, cisplatin, paromomycin, vancomycin or anticonvulsants. Consult doctor if you use these.

POSSIBLE INTERACTION WITH OTHER DRUGS

Anticholinergics Increased

(see Drugs Glossary) anticholinergic effect.

Anticoagulants Possible decreased

(oral, see Drugs anticoagulant effect.

Glossary)

Antidepressants Excess sedation. Avoid.

(see Drugs Glossary)

Antihistamines Excess sedation.

(other, see Drugs Avoid.

Glossary)

Dronabinol Increased effects of both drugs.

Avoid.

Hypnotics Excess sedation. Avoid.

(see Drugs Glossary)

MAO inhibitors Increased antihistamine

(see Drugs Glossary) effect.

Mind-altering drugs Excess sedation. Avoid.

Molindone Increased antihistamine effect.

Narcotics Excess sedation. Avoid.

(see Drugs Glossary)

Sedatives Excess sedation. Avoid.

(see Drugs Glossary)

Sleep inducers Excess sedation. Avoid.

(see Drugs Glossary)

Tranquilizers Excess sedation. Avoid.

(see Drugs Glossary)

POSSIBLE INTERACTION WITH OTHER SUBSTANCES

Marijuana: Excess sedation. Avoid.

Tobacco: None expected.

From Complete Guide to Pediatric Symptoms, Illness & Medications by H. Winter Griffith, M.D. Copyright by Putnam Publishing Group. Electronic rights by Medical Data Exchange.