DIPHENHYDRAMINE

Medicines

Title: DIPHENHYDRAMINE
Date: 
23 Feb 2012

Self Medication Guide For Common Illnesses

Read this leaflet carefully before taking your medicine. Ask your pharmacist or doctor if you have any further questions about your medicine.
 
1.  Generic Name or Active Ingredient:
     Diphenhydramine

2.  Uses:

     Available in syrup form to help relieve cough, red, irritated, itchy, watery eyes, sneezing and runny nose.     

3.  How This Medicine Works:

      Diphenhydramine is an antihistamine. It helps reduce allergic symptoms such as sneezing, runny nose and cough due to common cold.

4.  Do Not Take This Medicine If:

·         You are allergic to diphenhydramine or any other ingredient in this medication.

·         You are breastfeeding.

·         The patient is a child aged less than 2 years. 

5.  Before You Start To Take This Medicine:

·         Inform your pharmacist or doctor if you are allergic to any other medication.

·         Inform your pharmacist or doctor if you have asthma, emphysema, chronic bronchitis, stomach ulcers, glaucoma, or any other health problems.

·         Inform your pharmacist or doctor if you are or plan to get pregnant.

·         Consult a doctor before using this medicine in children. 

6.    Taking With Other Medication:

Inform your doctor or pharmacist if you are taking any other medication, vitamins, herbal preparations or supplements as they may interfere with this medicine. 

7.  How To Take This Medicine:

Follow the directions on your medication label carefully, and ask your pharmacist to explain any part you do not understand. (hyperlink DIS) 

a)    How to take

·         Use a measuring cup or syringe to measure the correct dose of medication to be taken or served to a child. 

b)   When to take

·         As directed by your pharmacist or doctor. 

c)    How long to take

·         Diphenhydramine treats the symptoms of your condition, but it does not cure it.

·         Continue taking it for as long as your doctor tells you 

d)   If you forget to take

Take it as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine. Do not double the dose.  

8.  While Taking This Medicine: 

a)    Things you should do:

·         Inform your doctor or pharmacist that you are taking this medication.

·         Consult your doctor if your symptoms persist or worsen despite 1 week of treatment.

·         Inform your pharmacist or doctor if you have any allergic reactions to this medication. 

b)   Things you must NOT do:

·         Do not share this medicine with anyone else, even if they have the same condition as you. 

In case of overdose, seek immediate medical attention. 

9.  Side Effects:

All medicines may have some unwanted side effects. Sometimes they are serious, but most of the time they are not. Tell your doctor or pharmacist if you have any side effects which are severe or persistent.

      Possible side effects:

·         Dizziness

·         Dry mouth

·         Drowsiness

·         Nausea

·         Vomiting

·         Loss of appetite

·         Constipation

·         Chest congestion

·         Headache 

10. Storage and disposal:

·         Store at room temperature and in a dry place.

·         Keep away from direct sunlight.

·         Keep out of reach of children.

·         Do not use after the expiry date has passed.

·         Return any unused or expired medication to the nearest pharmacy.  

References:

1.    Micromedex Healthcare Series 2.0

2.    Lexicomp’s Drug Information Handbook 19th edition

3.    Malaysian Index of Medical Specialities  2011

British National Formulary Vol. 60