Medicines prescribed by a healthcare professional are meant to help you. However, if not consumed or taken care of properly, they may be harmful.
The Know Your Medicine Corner aims to provide you with useful educational information to help you understand the use of medicines better.
We have compiled here common topics on medicine use that are relevant to patients and consumers, helping you to use medicines safely and optimally.
General Medicine Use & Storage
If you are travelling by plane, keep your medicines in your hand-carry luggage.
To help with security at the airport:
- Keep medicines in the original bottles.
- Ask your doctor for a copy of all your prescriptions. You may need this in case you misplace, run out, or damage your medicines.
- If you have diabetes, ask your doctor for a letter explaining your medical condition with a list of your medications. You are allowed to carry your medicines, blood glucose meter, and lancet device on a plane.
- Carry your refrigerated medicines with you on the plane in a cooler bag that is sufficient to keep the medication cold for a few hours. Inform a flight attendant about your medication as soon as you board the long haul flight. The flight attendant will be able to put the medication in the airplane’s refrigerator. Make sure your container is labeled with your name and contact information.
Centers for Disease Control and Prevention. Put Your Medicines Up and Away and Out of Sight. December 12, 2011. www.cdc.gov/Features/MedicationStorage. Accessed on 10 August, 2016.
The Center for Improving Medication Management and the National Council on Patient Information and Education. The quick scoop: medicines and your family: safely storing and disposing of medicines. Updated 2016. www.learnaboutrxsafety.org/quick-scoop.aspx#safely. Accessed 10 August, 2016.
Types of tablet or capsule that you should NOT crush or open:
- Delayed-release or long-acting formulation
Crushing this type of tablet may release the drug all at once. This increases the chance of side effects, the risk of overdosing with the medicines, and potentially a period of time where the drug is not present in your body to exert an effect.
- Tablets with a gastro-resistant coating
These tablets contain gastro-resistant granules that are designed to protect the active ingredient from our stomach acid, and are only released when it reaches the intestines.When this gastro-resistant layer is destroyed by crushing, you may increase your chance of a stomach ulcer, have lesser amount of the drug to exert an effect, or stopping the drug from getting to where it needs to work.
- Sensitive to light or moisture
Some active ingredients are sensitive to light or moisture (e.g. frusemide is light sensitive). Crushing a tablet or opening a capsule that contains a light- or moisture sensitive active ingredient exposes it to degradation.
This group of medicines is toxic to cells as they stop or prevent cells from replicating. They are used to treat cancers and other conditions such as rheumatoid arthritis and multiple sclerosis.It is important that personnel involved in drug preparation or administration are aware of the nature of the drug so that they can avoid unnecessary handling of the drug or take precautionary steps by wearing gloves to prevent skin contact or face mask for inhalation.
What to do instead of crushing?
Unless the patient information leaflet of the particular medicine states it is safe to crush the tablet or open the capsule, do not do so. Instead:
- Check with your doctor who will be able to prescribe a different medication form that is easier to take such as a liquid preparation.
- Ask your pharmacist if your tablets can or cannot be crushed, and whether the capsules can be opened or mixed with food.
Wright D, et al. Consensus guideline on the medication management of adults with swallowing difficulties. (2006)
Pharmaceutical Issues when Crushing, Opening or Splitting Oral Dosage Forms, Royal Pharmaceutical Society. June 2011
Eczema is a skin condition caused by inflammation of the skin. Eczema causes skin to become itchy, red, dry; and sometimes even cracked and leathery.
- Helps prevent further water loss
- Main role is to prevent eczema from flaring up
- The difference between lotions, creams and ointments is the proportion of oil (lipid) to water
- The higher the lipid content, the thicker the emollient. Hence, the better and longer it works.
- The type to use depends on the dryness of your skin, the area of skin involved and your preference:
- Mild skin dryness – Lotion or Cream
- Moderate skin dryness – Cream or Ointment
- Areas of hairy skin – Lotion
Topical steroids work by reducing inflammation of the skin and clearing flare-ups.
How to apply moisturizers?
- Use moisturizers at least twice a day, after a shower and before bedtime. They are best applied within 3 minutes after a shower or bath to maximise their moisture-retaining effect.
- Apply moisturizers generously to entire body. This prevents the eczema from developing elsewhere.
How to apply steroid creams?
- Gently rub the cream or ointment into the skin until it disappears. Then wash your hands (unless your hands are the treated area).
- Overuse of steroids can lead to thinning and discolouration of skin.
Certain medicines are not recommended to be removed from its original packaging and stored in a compliance aid. These include:
- Effervescent tablets
- Dispersible tablets
- Buccal tablets
- Sublingual tablets
- Cytotoxic preparations
Store your medicines in their original containers to preserve their effects as far as possible
If you are required to take half a tablet of your medicine, avoid cutting your pills in advance and storing them in a medication container for later use. This may affect the quality and efficacy of the medication.
Church, C.; Smith, J. 2006, The Pharmaceutical Journal: “How stable are medicines moved from original packs into compliance aids?”
Sharing of medications is NOT caring
Any medicines will have side effects, but these are known risks and are managed by a health care professional. Thus, the benefits outweigh the risks when the medicine is taken as directed.
It is also important to always seek the advice of a paediatrician before giving medicines to a child. Doses prescribed for adults are not the same for children. Furthermore, certain medications should NOT be given to children because they may harm the child’s development.
Remember that medicines prescribed by your doctor are a choice tailor made for you and your needs. Keep yourself and your family safe by not sharing your medicines.
Sharing prescription medicines can be bad for health. By Christopher Campbell,Pharm.D, PGY1 Resident, George Regents Medical Center, Augusta; and Christina E. DeRemer Pharm.D., BCPS, Primary Care Clinical Pharmacist & Medicine Team Supervisor, Georgia Regents Health System.
- Proper storage of medicines is crucial to ensure their effectiveness and potency.
- Avoid keeping your medicines in your car.
- Proper storage areas for example, include your bedroom inside a dresser drawer or in a kitchen cabinet (but keep out of reach of children).
- Make sure the cabinet in the kitchen is not above a stove or a sink, where heat and steam could create moisture problems that will damage the medicines.
TIPS FOR PROPER STORAGE OF MEDICATIONS Ontario Pharmacists Association
Mistakes in Storage May Alter Medication, By WALECIA KONRADAUG. 15, 2011, http://www.nytimes.com/2011/08/16/health/16consumer.html?_r=0
Not all medicines need to be kept in a refrigerator as they may be adversely affected by the fluctuating temperatures of a domestic refrigerator. Check with your pharmacist for the precise temperature range for your medicines.
Only medicines that carry the instruction “REFRIGERATE” should be stored in the refrigerator, preferably in the centre compartment, and to avoid the door or the cooling vent at the back of the refrigerator.
TIPS FOR PROPER STORAGE OF MEDICATIONS Ontario Pharmacists Association
Mistakes in Storage May Alter Medication, By WALECIA KONRADAUG. 15, 2011, http://www.nytimes.com/2011/08/16/health/16consumer.html?_r=0
Mum & Children
Pregnancy is a special physiological condition where the use of medication presents a special concern as the medication may reach the foetus and cause harm. However, total avoidance of medication in pregnancy may not be possible and could be dangerous. Any medicine taken during pregnancy should be used at the lowest effective dose for the shortest possible time.
Tips for medication use during pregnancy
- Never start or stop taking medication before consulting your doctor
- Keep a record of the medication taken during pregnancy or when you are expecting
- Never share your medications
- Do not skip your medication as it may be more harmful to the mother and the foetus
- When in doubt, consult your doctor or pharmacist about the benefits and risks of the medication
Medication and pregnancy. http://americanpregnancy.org/medication/medication-and-pregnancy/
Concerns on Breastfeeding and Maternal Medication Use
Some medication can pass into the breast milk. The amount transferred into the breast milk depends on many factors, including the chemical properties of the medication.
In general, there are very few medications that are absolutely contraindicated during breastfeeding. These medications that present in breast milk may pose risks to the baby while some can affect the supply and composition of the breast milk.
What is “Pump and Dump”?
The “pump and dump” method involves expressing and disposing of the breast milk. It is recommended that this technique be used until at least 3 hours after the last intake of the medicine that is not suitable for use when breastfeeding.
Benefits of this method
Relieves breast fullness or engorgement
Ensuring breast milk supply
Common Medications Safe for Use during Breastfeeding
How Can Your Pharmacist Help?
Your pharmacist will be able to provide advice on the suitability of your medication and timing to take the medication while breastfeeding, if your medication is safe for your baby or if it may affect your milk supply.
Possible medication timing for consideration
Immediately after feeding the baby
Before the baby’s longest sleep period
After baby’s last feed for the day
- BabyCenter. (2017). Drug safety while breastfeeding | BabyCenter. [online] Available at: https://www.babycenter.com/0_drug-safety-while-breastfeeding_8790.bc#articlesection1 [Accessed 3 Sep. 2017].
- Helms, S. and Darbishire, P. (2009). Understanding Breastfeeding: Beyond Medication. US Pharm, 34(9), pp.25-33.
- Verywell. (2017). When to Use the Pump and Dump Method for Lactation. [online] Available at: https://www.verywell.com/pump-and-dump-22415 [Accessed 3 Sep. 2017].
Definition of Probiotics?
Probiotics are live microorganisms that, when administered in adequate amounts, confer a health benefit on the host.
How Do They Work?
Probiotics are good bacteria that inhibit the growth of bad bacteria, promote good digestion, reduce toxins, and boost your immune system.
Keeping a ratio of more good bacteria is crucial in staying healthy.
Probiotics in Food & Supplements
Yogurt, sauerkraut, cheese, kimchi, tempeh, miso and natto are some foods that contain probiotics.
Also available in supplements in the form of millions of bacteria cultures (often referred as CFUs – Colony Forming Units)
Prevention & Treatment in Diseases
Acute infectious diarrhoea
Antibiotic induced diarrhoea
Treatment and prevention of atopic disease
Irritable bowel syndrome
- WORLD GASTROENTEROLOGY ORGANISATION GLOBAL GUIDELINE – PROBIOTICS AND PREBIOTICS 2017
- LIPPINCOTT WILLIAMS & WILKINS. CLINICAL EFFICACY OF PROBIOTICS: REVIEW OF THE EVIDENCE WITH FOCUS ON CHILDREN. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION.43:550-557. OCTOBER 2006
- DAN W.THOMAS ET AL. AMERICAN ACADEMY OF PAEDIATRICS.CLINCAL REPORT- PROBIOTICS AND PREBIOTICS IN PEDIATRICS. VOLUME 126,NUMBER 6. DECEMBER 2010
FAQ on Probiotics
What does CFU mean?
CFU stands for “colony forming units” and is used to quantify how many bacteria in probiotics are capable of dividing and forming colonies.
Does more CFU mean better?
The dose needed for probiotics varies greatly depending on the strain and product although many are in the range of 1–10 billion CFU per dose.
Do probiotics have side effects?
Side effects are typically mild, temporary and often a sign that the probiotics are working and are often part of the natural cleansing process, for example, minor constipation, mild diarrhoea, mild rash, cramps, and gas.
How long do I need to take probiotics?
It is recommended to take probiotics daily between 2 weeks to 2 months to fully re-colonize the bowel’s healthy bacteria.
Are probiotic supplements safe for pregnant or nursing mothers?
Probiotic supplementation during pregnancy improves newborn’s immunity and decreases allergies. For nursing infants, immunity and allergy improvements have also been observed. Always check with your doctor or pharmacist to confirm that any supplement, including probiotics, are safe for use during pregnancy and breastfeeding.
- World Gastroenterology Organisation Global Guideline – Probiotics and Prebiotics 2017
- Patient handout. University of Wisconsin Integrative Medicine
Allergic rhinitis can affect school work and sports performance
- The nasal congestion caused by allergic rhinitis may affect the child’s quality of sleep. This would affect their concentration the following day.
- As the child’s breathing quality is affected, their ability to exercise and play sports is also compromised.
What are the management strategies for allergic rhinitis?
Besides seeking medical attention, the first approach is to identify the triggers and minimize exposure.
Wear mask and glasses
Avoid hanging clothes outside
Mites – use “mite-proof” covers, wash linens and curtains with hot water
Mould – use dehumidifier
Pet dander exposure
Wash hands after petting animals
Keep pets outside
Nasal irrigation is used to rinse off the allergens and is effective in approximately 50% of patients with allergic rhinitis.
What is Lactose Intolerance?
Lactose intolerance is when the body cannot digest lactose which results in gastrointestinal symptoms.
What causes lactose intolerance?
- It occurs when the small intestines do not produce enough lactase (enzyme) to digest lactose (milk sugar). Lactose is then fermented by bacteria and produces unpleasant symptoms.
- Lactose intolerance in children is often caused by an infection in the digestive system, and will only last a few weeks.
What are the symptoms of lactose intolerance?
Symptoms of lactose intolerance usually occur within 30 minutes to 2 hours after lactose consumption and includes:
What types of food contain lactose?
- Lactose is the natural sugar found in the milk of mammals such as cows, goats and sheep.
- Dairy products such as cheese, ice cream, butter and yoghurt may contain lactose.
How is lactose intolerance managed?
- There is no cure for lactose intolerance. However, symptoms can be reduced by making changes to diet.
- Serve small servings of milk and dairy products in regular meals.
- For babies with lactose intolerance, lactose-free formula milk is available in pharmacies and supermarkets.
- Probiotics may help in the management of lactose intolerance.
Is lactose intolerance the same as milk allergy?
No. They may share similar symptoms but are entirely different conditions
Safe Use of Antibiotics
Most cough and cold illnesses are caused by viruses. Antibiotics can only treat bacterial illnesses–not viral illnesses.
Common illnesses where antibiotics are NOT REQUIRED include:
Influenza (the flu)
Most sore throats
Most sinus infections
Some ear infections
How long will the symptoms last?
Sore throat / tonsillitis: 1 week
Sinusitis: 2 – 3 weeks
Cold / flu: 10 days – 2 weeks
Dry / tickly cough: 3 weeks
Runny / blocked nose: 1 – 3 weeks
If symptoms last longer than normal, do not improve, get worse or if new symptoms develop, seek medical advice.
How do I know if I have a viral or bacterial infection?
Consult healthcare provider and follow his or her advice on what to do about the illness. Remember, common colds are caused by viruses and do not require antibiotics.
Does this mean I should never take antibiotics?
Your healthcare provider will prescribe antibiotics if you have a bacterial infection.
If mucus from nose changes from clear to yellow or green – does this mean that I need antibiotics?
No. It is normal for mucus to get thick and change colour during a viral cold.
What can I do to help myself feel better?
Pain relievers, fever reducers, saline nasal spray or drop, warm compress, liquids and rest may be the best things to help you feel better.
Snort. Sniffle. Sneeze. No Antibiotics Please. Centres for Disease Control and Prevention (CDC)
Get to the source of Cold & Flu symptoms. Global Respiratory Infection Partnership (GRIP)
Upper Respiratory Tract Infections Getting the right relief. Global Respiratory Infection Partnership (GRIP)
Why should I finish my antibiotic?
Not finishing a course of antibiotics as directed can lead to *antibiotic resistance.
*Antibiotic resistance is resistance of the bacteria to the antibiotic that was originally effective for treatment of infections caused by it. Illnesses that were once easily treatable with antibiotics become dangerous infections, prolonging suffering and may even be fatal.
YOU can help tackle resistance by:
- Hand washing and avoiding close contact with sick people to prevent transmission of bacterial infections;
- Use antibiotics only when they are prescribed by a certified healthcare professional;
- Completing the full treatment course, even if you feel better;
- Never share antibiotics with others or use leftover prescriptions.
I developed diarrhoea after taking antibiotics. Should I stop it?
In some patients, antibiotics may cause mild diarrhoea, which is a well known effect. You do not need to discontinue your antibiotic but well hydrate yourself to replace the lost fluids and avoid milk containing products.
Probiotics are recommended to help with diarrhoea. However if you develop severe abdominal pain, cramps or fever with high volume diarrhoea after taking antibiotics, you should seek your doctor’s attention immediately.
I developed an allergy reaction towards penicillin. Is it safe for me to take other antibiotics?
If you developed itchiness, difficulty breathing and/or wheezing after taking penicillin, then you are allergic to it and you should not take any product containing penicillin or an antibiotic of a similar class.
It is important that you notify any doctor or pharmacist that looks after you on your allergy status. There are other antibiotics available which are safe to use for people with penicillin allergy.
Reporting Of Medicine Side Effects by Consumers
What Is A Side Effect/Adverse Drug Reaction?
- An unwanted effect or a harmful reaction experienced following the administration of a drug/medicine or combination of medicines.
- The reaction may be a known side effect of the medicine or it may be new and previously unrecognized.
- It can also suddenly occur with medicines that you have taken often without side effects previously.
Some Examples of Side Effects
Difficulty in breathing
Swelling (lips, eyes & tongue)
If you believe you are having a side effect, it is important to speak/see your doctor or pharmacist.
Report to the National Pharmaceutical Regulatory Agency (NPRA)
Use ConSERF (Consumer Side Effect Reporting Form). Please report any side effect you find troubling, even if you are not certain it is due to the medicine.
Please note down the following information:
How To Report?
- Please complete as many sections as possible to ensure your report is useful. You may consult your pharmacist for assistance in filling the form.
- Submit online, or post/email directly to NPRA.
- Please provide your contact details to allow NPRA to obtain further information about your report if necessary. Your details will remain confidential.
Role of NPRA, Ministry of Health Malaysia
The National Pharmaceutical Regulatory Agency (NPRA) monitors the safety of medicines in Malaysia to contribute to a better understanding of their possible side effects. Analysis of side effect reported has contributed to the following steps to improve medication safety:
- Issuing safety alerts & prescribing restriction of at-risk medicine
- Updating the package inserts & consumer medicine information leaflets with the latest safety information.
- Removal of certain at-risk medicine from the market.
What To Report?
You can report side effects from:
- Medicines or vaccines (prescription medicines from the doctor or over-the-counter medicines)
- Vitamins and health supplements
- Herbal or traditional medicines
Besides oral medicines (tablets, capsules and syrups); other medicines like creams, lotions, suppositories and inhalers can also cause side effects.
Why Report A Side Effect?
Unfortunately it is impossible to know all side effects of a medicine before it is approved for use. When people report about their experiences using a particular medicine it helps us to understand more about the possible side effects of the medicine and identify new problems that we might not have known before.
What Is A Drug Allergy?
- A drug allergy is an undesirable effect occurring as a result of the body’s immune response to a drug
- Allergic reactions due to medications do not happen to everyone
What Are The Symptoms of Drug Allergy?
Symptoms may vary from one patient to another.
Mild allergic reactions:
- Skin rashes or urticaria (hives)
More SERIOUS symptoms may include:
- Swelling in the face, throat and/or mouth
- Difficulty breathing
- Widespread skin reaction covering a large area of the body
ANAPHYLAXIS – life-threatening and requires urgent medical attention!
- Affects multiple organs: lungs, gut and skin
- Extreme fall in blood pressure (anaphylactic shock)
- Person may faint, collapse and become unconscious
Drugs commonly associated with allergic reactions:
- Antibiotics – penicillin (cloxacillin, amoxycillin), trimethoprim/sulphamethoxazole
- Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) – mefenamic acid, ibuprofen, diclofenac
What should you do if you think you have a drug allergy?
If you know or suspect you are allergic to a drug:
- AVOID / STOP taking that drug
- Seek medical advice from your doctor to confirm the allergy
DRUG ALLERGY CARD
- Useful for patients with confirmed drug allergy
- Alerts healthcare professionals about a patient’s drug allergies
- Helps prevent patients from taking drugs that may cause allergic reactions
Tips for allergy card holders:
- Bring along the drug allergy card at all times
- Show the drug allergy card to any healthcare professionals involved in your care
- For severe allergic reactions, consider obtaining a medical alert bracelet
A drug allergy is a rare condition in which the body’s immune system responds to a drug and causes adverse effects
A side effect to a drug is
1. an unwanted effect from a drug
2. different from a drug allergy
3. does not involve an immune reaction