|Antihist-1®[OTC]; Tavist®; Tavist®-1
|Reasons not to take this medicine|
- If you have an allergy to clemastine or any other part of the
- If you have narrow-angle
|What is this medicine used for?|
- This medicine relieves symptoms (runny nose; sneezing; throat
irritation and itching; watery, irritated, itchy, red eyes) from allergies.
- It is also used for the treatment of hives and
|How does it work?|
- Clemastine, if taken before coming in contact with the material that
causes the allergy, blocks the allergic reaction by minimizing/preventing the
body's reaction to the allergen.
|How is it best taken?|
- Take with or without food. Take with food if this medicine causes an
- A liquid (syrup) is available if you cannot swallow pills. Those who
have feeding tubes can also use the liquid. Flush the feeding tube before and
after medicine is given.
- This medicine is most effective if started before contact with the
allergen. Take at least 1-3 hours
|What do I do if I miss a dose?|
- Take a missed dose as soon as possible.
- If it is almost time for the next dose, skip the missed one. Return to
your regular schedule.
- Do not take a double dose or extra
|What are the precautions when taking this
- Wear disease medical alert identification for allergies.
- If you are 65 or older, you may have more side effects. You could feel
sleepy and shaky.
- Avoid alcohol (includes wine, beer, and liquor) and other medicines
and herbs that slow your actions and reactions. This includes sedatives,
tranquilizers, mood stabilizers, or pain medicine. Talk with healthcare
- Increased activity or Inability to sleep may be seen in children.
- Tell healthcare provider if you are allergic to any medicine. Make
sure to tell about the allergy and how it affected you. This includes telling
about rash; hives; itching; shortness of breath; wheezing; cough; swelling of
face, lips, tongue, throat; or any other symptoms involved.
- Tell healthcare provider if you are pregnant or plan on getting
- Do not use if you are
|What are the common side effects of this
- Feeling sleepy, tired, or unable to think clearly. Avoid driving,
doing other tasks or activities that require you to be alert until you see how
this medicine affects you.
- Dry mouth. Frequent mouth care, sucking hard candy, or chewing gum may
- Constipation. More liquids, regular exercise, or a fiber-containing
diet may help. Talk with healthcare provider about a stool softener or
|What should I monitor?|
- Check effectiveness of medicine in preventing and treating
|Reasons to call healthcare provider
- Signs of a life-threatening reaction. These include wheezing;
tightness in the chest; fever; itching; bad cough; blue skin color; fits;
swelling of face, lips, tongue, or throat.
- Too tired or sleepy.
- Any rash.
- No improvement in condition or feeling
|How should I store this medicine?|
- Store in a tight, light-resistant container at room
- Do not share your medicine with others and do not take anyone else's
- Keep all medicine out of the reach of children and pets.
- Keep a list of all your medicines (prescription, herbal/supplements,
vitamins, over-the-counter) with you. Give this list to healthcare provider
(doctor, nurse, pharmacist, physician assistant).
- Talk with healthcare provider before starting any new medicine,
including over-the-counter or natural products (herbs,
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