Over-the-Counter (OTC) Medicines
Over-the-counter (OTC) medicines are drugs that can be purchased without a prescription from a healthcare provider. These medications are available at pharmacies, supermarkets, and online retailers.
Types of OTC Medicines
- Pain relievers: acetaminophen (Tylenol), ibuprofen (Advil, Motrin), aspirin
- Antihistamines: diphenhydramine (Benadryl), loratadine (Claritin)
- Decongestants: pseudoephedrine (Sudafed), phenylephrine (Sudafed PE)
- Cough and cold medicines: dextromethorphan, guaifenesin
- Antacids and acid reducers: ranitidine (Zantac), famotidine (Pepcid)
- Laxatives: senna, bisacodyl
- Skin and wound care: hydrocortisone, calamine lotion
Regulation of OTC Medicines
OTC medicines are regulated by the U.S. Food and Drug Administration (FDA). The FDA sets standards for the safety, efficacy, and labeling of OTC medications.
Safety Precautions
- Always read and follow the label instructions
- Take only the recommended dose
- Avoid taking multiple medicines with the same active ingredient
- Be aware of potential interactions with other medications, including prescription drugs
- Keep OTC medicines out of reach of children and pets
Common Side Effects
Common side effects of OTC medicines may include:
Special Considerations
Certain individuals may need to take special precautions when taking OTC medicines, including:
- Pregnant or breastfeeding women
- Children and infants
- Older adults
- People with certain medical conditions, such as kidney or liver disease
Frequently Asked Questions (FAQs)
What are over-the-counter (OTC) medicines? 
Medicines that can be bought without a prescription. 
 
Where can I buy OTC medicines? 
Pharmacies, supermarkets, and online retailers. 
 
Are OTC medicines safe for everyone? 
Generally safe, but may have side effects or interact with other medications. 
 
Can I take OTC medicines with prescription medicines? 
Possibly, but consult a doctor or pharmacist first to avoid interactions. 
 
How do I choose the right OTC medicine? 
Read labels, follow instructions, and consider ingredients and warnings. 
 
Can children take OTC medicines? 
Some OTC medicines are suitable for children, but always follow age and dosage guidelines. 
 
Are OTC medicines regulated by government agencies? 
Yes, by agencies such as the US FDA or equivalent in other countries. 
 
Can I take OTC medicines if I have a medical condition? 
Possibly, but consult a doctor or pharmacist first to ensure safety. 
 
How do I store OTC medicines safely? 
In a cool, dry place, out of reach of children and pets. 
 
What if I experience side effects from an OTC medicine? 
Stop taking the medicine and consult a doctor or pharmacist for advice. 
Article last updated on: 18th October 2025.
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