Generic Name: CLEMASTINE
Pronunciation: (klem' as teen)
Trade Name(s): Clamist, Tavegyl, Tavist
Why it is prescribed: Clemastine, an antihistamine, relieves
symptoms caused by hay fever and allergies including itchy skin,
hives, sneezing, runny nose, and irritated, itchy, watery eyes.
When it is to be taken: Clemastine is usually taken twice
a day. Follow the instructions on your prescription label carefully.
Do not take this drug more often or take more doses in a 24-hour
period than as directed on the label.
How it should be taken: Clemastine comes in the form of
tablets and oral liquid. Your prescription label tells you how
much to take at each dose. You may obtain a specially marked measuring
spoon to be sure of an accurate dose of the liquid.
Special Instruction:
1. Clemastine can cause drowsiness, dizziness and loss of coordination.
Do not drive a car or operate dangerous machinery until you know
how this drug affects you.
2. Do not drink alcoholic beverages while taking clemastine. Alcohol
adds to the drowsiness caused by this drug.
3. If you forget to take a dose, take the missed dose as soon
as you remember it. Take any remaining doses for that day at evenly
spaced intervals. However, if you remember a missed dose near
the time for your next scheduled dose, take only the scheduled
dose. Do not take a double dose.
Side Effects:
1. Drowsiness, stomach upset, chest congestion. Contact your doctor
if symptoms persist or severe.
2. Dry mouth, excitement, nervousness, enlargement of pupils in
the eye, increased sensitivity to sunlight. Stop taking clemastine
and contact your doctor.
Other Precautions:
1. If you take sleeping pills, sedatives, tranquilizers, muscle
relaxants, medication for depression or seizures, narcotics, or
other medication for colds, hay fever, or allergies, do not take
clemastine without your doctor's advice and supervision.
2. Do not take clemastine if you have taken Monoaminooxidase inhibitors
like isocarboxazid, phenelzine or tranylcypromine in the last
two weeks.
3. If you have asthma, lung disease, glaucoma, ulcers, difficulty
urinating (due to an enlarged prostate gland), heart disease,
high blood pressure, seizures, or an overactive thyroid gland
or if you are pregnant or breast-feeding, do not take clemastine
unless your doctor is aware of your condition and directs you
to do so.
Storage Conditions: Keep this medication in the container
it came in, tightly closed, and out of the reach of children.
Store it at room temperature, away from direct sunlight.