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Clemastine

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Clemastine is used to prevent and relieve allergic conditions which cause itching and some allergic skin reactions.
The most common side effects are drowsiness and dry mouth.
Do not operate machinery or do any other task that may be dangerous if you were not fully alert.

About clemastine

Type of medicine	Antihistamine
Used for	Relief of allergic conditions
Also called	Tavegil
Available as	Tablets

Exposure to pollen, pet fur, house dust or an insect bite can cause the body to release a chemical called histamine. The release of histamine causes allergic symptoms that can include sneezing, watery eyes, a running or blocked nose and sometimes skin reactions such as itching, swelling and rashes. Antihistamines lessen the effects of histamine and help to relieve these symptoms.

Before taking clemastine

Before taking clemastine make sure your doctor or pharmacist knows:

If you are pregnant, trying for a baby or breast-feeding.
If you suffer from liver, kidney or prostate problems.
If you suffer from epilepsy, porphyria or glaucoma.

How to take clemastine

Take clemastine exactly as directed by your doctor.

Getting the most from your treatment

Alcohol will increase any feelings of drowsiness. If you do drink alcohol, do so in moderation and be aware of its effects on you.

Can clemastine cause problems

Along with their useful effects all medicines can cause unwanted side effects, which usually improve as your body adjusts to the new medicine. Speak with your doctor or pharmacist if any of the following side effects continue or become troublesome.

Common side-effects	What can I do if I experience this
Drowsiness, dizziness, blurred vision	Make sure your reactions are normal before driving, operating machinery or doing any other jobs which could be dangerous if you were not fully alert. Avoid alcohol; it will increase any feelings of drowsiness
Headache	Ask your pharmacist to recommend a suitable pain-killer. If headache continues speak with your doctor.
Difficulty urinating (passing water)	Speak with your doctor as soon as possible.
Dry mouth	Try chewing sugar-free gum, sucking pieces of ice or sugar-free sweets. If this becomes troublesome speak to your pharmacist or doctor.
Being aware of your heart beat, skin rashes, confusion, mood changes, disturbed sleep or shakiness	Speak with your doctor as soon as possible.

How to store clemastine

Keep all medicines out of the reach of children.
Store in a cool, dry place, away from direct heat and light.

Important information about all medicines

Keep all medicines out of the sight and reach of children.
Make sure that the person prescribing this medicine knows about any other medicines that you are taking. This includes medicines you buy and herbal and homeopathic medicines.
If you buy any medicines check with a pharmacist that they are safe to take with your other medicines.
Before taking this medicine tell your doctor if you have ever had an allergic reaction after taking any medicine.
Never take more than the prescribed dose. If you suspect that you or someone else has taken an overdose of this medicine go to the accident and emergency department of your local hospital at once. Always take the container with you, if possible, even if it is empty.
If you are having any treatment like an operation or dental treatment tell the person carrying out the treatment which medicines you are taking.
Always read the printed information leaflet that comes with your medicine.
This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.
Never keep out of date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.
If you have any questions about this medicine ask your pharmacist.

DocID:
3876

DocRef:
dils2742

Last Updated:
8 May 2007

Date of Next Review:
7 May 2009

Version:
22

The authors and editors of this article are employed to create accurate and up to date content reflecting reliable research evidence, guidance and best clinical practice. They are free from any commercial conflicts of interest. Find out more about updating.

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