What Do You Really Know About Over-the-Counter Medicines?
Just because a medicine is available without a prescription doesn't mean it's safe to take. Take this quiz and learn the ins and outs of over-the-counter (OTC) medicines.
1. How are prescription medicines different from OTC ones?
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Prescription medicines require a doctor or other healthcare provider to monitor both
how well they work and possible side effects.
2. You should follow certain safety steps when you self-treat with OTC medicines.
What should you do?
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3. Aspirin can cause problems with which of these conditions?
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Aspirin and other salicylates can bring on severe asthma attacks in sensitive people.
People with nasal polyps also may have breathing problems. Others at risk are those
who have high blood pressure. Children and teens shouldn't be given aspirin because
of its link to Reye syndrome, a potentially fatal illness.
4. People allergic to aspirin may also be allergic to which other OTC medicines?
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Allergic reactions may include a rash, itching, and breathing problems.
5. How long can you safely take nonsteroidal anti-inflammatory drugs (NSAIDs) and
other OTC medicines such as acetaminophen, before seeing a healthcare provider for
a diagnosis?
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Keep track of how many days in a row you take aspirin, ibuprofen, naproxen, or acetaminophen.
If you're still having problems after 7 to 10 days, see your healthcare provider.
Get medical care sooner if your symptoms do not start to improve or get worse during
those 7 to 10 days.
6. Acetaminophen is less likely than aspirin to cause gastric distress. But an overdose
of as little as 4 grams over 24 hours can lead to irreversible liver disease. Who
is most at risk?
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If you take more than an occasional dose of acetaminophen, don't drink alcohol. Overdoses
of acetaminophen alone are toxic to the liver. Alcohol in combination with advised
dosages of acetaminophen may be toxic to the liver.
7. Antacids often are taken for digestive problems. What is the greatest danger?
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Antacids can increase or decrease the rate that other medicines are absorbed, or how
well they are absorbed, or both. Another danger with taking antacids for long periods
without a diagnosis is that they may mask a more serious problem. This can include
conditions such as an ulcer, or esophageal or stomach cancer.
8. Older adults are especially vulnerable to the side effects of which of these OTC
medicines?
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Antihistamines block histamine receptor sites, and older adults may have pronounced
side effects, such as confusion, a dry mouth, lightheadedness, and problems with peeing.
A side effect of antihistamines is the blocking of a chemical neurotransmitter called
acetylcholine. Older adults make less acetylcholine and can't use it as well.
9. Many OTC medicines for children come in liquid form. What is the best way to measure
the dose?
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Kitchen utensils aren't accurate for measuring medicine doses. Medicine or dosing
spoons may look like wide straws with a spoon at one end. They are designed for children
who can drink from a cup but are likely to spill. Measure the dose at eye level. Keep
a written record of when you give the dose. This can prevent both missing a dose and
accidentally overdosing a child.
10. What should you look for when you select an OTC medicine?
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Multi-symptom medicines expose you to medicines you don't need. This increases the
risk for side effects. Ask the pharmacist for help in choosing the safest and most
effective OTC medicine for your symptoms.
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Medical Reviewers:
- Hurd, Robert, MD
- Sather, Rita, RN
- Wojcik, Stacey, MBA, BSN