The Recovery Journal
Commonly Abused Over the Counter Drugs: Risks, Signs, and Prevention
Clinically Reviewed by Bobby Boykin, MS, LASAC, CRS
Table of Contents
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Over-the-counter (OTC) drugs are easy to buy, and people use them every day for common health problems. Many people trust these medications because they don’t require a prescription. However, this can also lead to cases of over-the-counter medication misuse or abuse.
Some of the most commonly abused over the counter drugs include cough medicines with dextromethorphan (DXM), antihistamines, sleep aids, and laxatives.
Abusing these medications is dangerous. Taking more than the recommended dose or using them for reasons other than treatment can lead to serious health risks, such as addiction. Harmful side effects are also possible, even with drugs that are commonly found on local pharmacy shelves.
If you or someone you know feels concerned about OTC medication misuse, it helps to know the facts. Learning about the risks, spotting warning signs, and knowing what steps to take can protect your health and safety.
Key Takeaways
- Certain OTC drugs are often abused for their effects.
- Abusing OTC drugs may harm your health and lead to addiction.
- Understanding OTC drug misuse can help you make safer choices.
Overview of Commonly Abused Over the Counter Drugs
Some over-the-counter medications can cause harm when people misuse them. It’s good to know which medicines are commonly misused, how they differ from prescription medications, and how often this happens.
Types of Over-the-Counter Medicines Frequently Misused
Many commonly abused OTC drugs are cough and cold medicines, allergy medications, and some pain relievers. The most common ingredient is dextromethorphan (DXM), which is found in many OTC cold medicines.
Teenagers and young adults sometimes misuse DXM to feel “high” or experience hallucinations. Sedative antihistamines are also misused — people often take them to relax or help with sleep.
Laxatives and decongestants make the list, too. Some people use these in ways not intended, such as for weight loss or to boost alertness.
Misusing these drugs can be dangerous and cause health problems, addiction, or even dangerous side effects.
Examples of Frequently Abused OTC Medicines
|
Drug Type |
Misused For |
Risks |
|
Cough/cold (DXM) |
Hallucinations, euphoria |
Confusion, vomiting, addiction |
|
Sedative antihistamines |
Relaxation, sleep |
Grogginess, dependence |
|
Laxatives |
Weight loss |
Imbalance, dehydration |
|
Decongestants |
Energy, alertness |
Heart problems, anxiety |
Differences Between Over-the-Counter and Prescription Drugs
OTC drugs are medications you can buy without a doctor’s note. Prescribed drugs, on the other hand, require a prescription from a healthcare provider.
OTC medicines might seem safer since they’re so easy to buy, but they can cause harm if you don’t use them as directed.
Some people think OTC medicines are always safe, but that’s just not true. Misusing these drugs can lead to substance abuse, overdose, health problems, or even death, just like illicit drugs.
Prevalence of OTC Drug Misuse
Abuse of over-the-counter medications in the United States is more common than most people think. After alcohol and marijuana, OTC drugs are some of the most frequently abused substances among teens and young adults.
Surveys say about one in three teens knows someone who’s tried abusing OTC cough and cold medications. People often misuse these drugs to get high, stay awake, or lose weight.
The easy access to OTC medicines makes them tempting for people who abuse or want to use drugs without a prescription. According to studies, the risk of misuse shows there’s a real need for better education about safe OTC drug use.

Specific Over-the-Counter Drugs at High Risk for Abuse
People may develop an addiction to OTC drugs for their mind-altering effects or other reasons. Many of these drugs are available without a prescription, which makes them especially attractive to teens and young adults.
Some common over-the-counter drugs with a high risk of abuse include:
Cold and Cough Medicines: Dextromethorphan (DXM)
Many over-the-counter cough medicines — think syrups, tablets, even gel capsules — contain DXM. When used as directed, it helps suppress cough by working on the brain.
People who abuse DXM do so by taking large amounts of it to get high. This can cause:
- Hallucinations
- Euphoria
- Confusion
- Loss of coordination
- Dangerous changes in heart rate and blood pressure.
DXM abuse is easier since it’s present in so many popular over-the-counter cough medicines. Serious risks include:
- Seizures
- Brain damage
- Death is a possibility for those taking much higher amounts than recommended.
Teens and young adults may be more likely to misuse these products because they are legal and easy to get.
Decongestants and Stimulants
Many OTC cold and allergy medicines contain decongestants like pseudoephedrine and ephedrine. These drugs help clear nasal passages by shrinking swollen blood vessels in your nose.
Some people misuse decongestants for their stimulant effects. High doses can make you feel excited, restless, or give you a burst of energy.
Pseudoephedrine sometimes gets bought in large amounts to make illegal drugs like methamphetamine. Taking too much of these decongestants can cause:
- Heart problems
- Elevated blood pressure
- Anxiety
- Trouble sleeping.
Some states limit the sale and purchase of meds with pseudoephedrine because of this.
OTC Sleep Aids and Antihistamines
Over-the-counter sleep aids often contain antihistamines like diphenhydramine or doxylamine. At normal doses, these drugs are used to treat sleeplessness or stop an allergic reaction.
Some people abuse these meds by taking large amounts to get high, sleep better, or escape stress. Side effects can include:
- Confusion
- Blurred vision
- Hallucinations
- Rapid heartbeat
- Seizures.
People both young and old may be at higher risk for harmful side effects, such as memory problems or trouble urinating, from overuse.
Other Popular or Dangerous OTC Drugs
Other over-the-counter drugs may be risky too. For example, laxatives are sometimes misused by people hoping to lose weight fast. However, overusing them can have adverse effects such as:
- Dehydration
- Kidney damage
- Electrolyte imbalance.
Caffeine pills, found in some diet and alertness aids, are easily abused for their stimulating effects. Too much can lead to:
- Rapid heartbeat
- Increased blood pressure
- Anxiety.
Sildenafil, sometimes available over-the-counter in certain countries or online, is misused for its effects on sexual performance. This can be dangerous, especially for those with heart conditions.
Risks, Side Effects, and Health Impacts of OTC Medication Abuse
Misusing over-the-counter drugs can cause serious health problems. Abuse can lead to dangerous side effects, addiction, and lasting damage to your mind and body.
Short-Term and Long-Term Physical Effects
Using OTC medications incorrectly causes a range of side effects. Short-term symptoms might include:
- Drowsiness
- Confusion
- Blurred vision
- Nausea
- Vomiting
- High blood pressure.
Some drugs make you feel lightheaded or speed up your heart rate. With longer abuse, you risk damaging your liver, kidneys, or heart.
The risk depends on the ingredient and how much you take. For example, misuse of over-the-counter medications that contain high doses of acetaminophen can cause severe liver damage.
Misusing cold medicines might harm your heart or even cause seizures. Mixing OTC drugs with alcohol or other medications makes things even more dangerous. In extreme cases, misuse can be severe and life-threatening.
Key Short- and Long-Term Risks:
- High blood pressure
- Organ damage (liver, kidney, heart)
- Sleep problems
- Memory and focus issues
- Risk of overdose.
Withdrawal Symptoms
When you stop using OTC drugs after regular abuse, your body might react with withdrawal symptoms. It can be uncomfortable and sometimes dangerous, depending on the drug and how much you use.
You may feel irritable, anxious, or depressed. Physical effects can include headaches, nausea, sweating, and trouble sleeping.
Some people get strong cravings and mood swings during withdrawal. The withdrawal process varies for each substance.
For example, quitting cough medicine can cause digestive problems and shakiness. You might also find it hard to function, especially if you relied on the drug to help you sleep or manage pain.
Proper support and sometimes drug addiction treatment may be needed if symptoms become severe.
Potential for Addiction and Dependency
OTC medication misuse occurs when you use it for reasons or in doses other than what’s recommended. You might find yourself wanting the drug even when it’s hurting your health or disrupting your daily life.
Drugs like DXM can trigger intense mental cravings. If you notice you need more and more to get the same effect, spend a lot of time thinking about or using the drug, or can’t seem to stop even when you want to, those are big warning signs.
OTC drug addiction can mess with school, work, and relationships. The longer it goes on, the tougher it gets to quit without support. Sometimes, serious health problems develop and professional treatment becomes necessary.
Warning Signs of Dependency:
- Hiding or lying about your drug use
- Neglecting personal responsibilities
- Losing interest in activities
- Getting defensive if someone asks about your use
Prevention, Intervention, and Treatment for OTC Drug Addiction
It’s important to spot when OTC medicine use crosses the line. Noticing unusual behavior, reaching out for help, and talking to healthcare professionals can make a real difference.
Warning Signs and Identifying Abuse
If someone is suffering from OTC drug addiction, you might notice weird behavior in them. They may act more secretive, have sudden mood swings, or ask for money a lot. Medicine may also go missing. Using OTC drugs to get high or for other unintended reasons is a red flag.
People who misuse cough syrups, sleep aids, or painkillers often change their daily or self-care routines. Physical symptoms like slurred speech, nausea, confusion, or unexpected drowsiness can show up too.
Social withdrawal is common. If you catch these signs early, it’s easier to get help. Family, friends, and teachers really matter here, as they’re often the first to notice.
Treatment Options and Support Resources
OTC misuse treatment is different for everyone. Many people benefit from counseling or therapies like CBT, which helps break unhealthy habits.
Support groups and 12-step programs offer community and encouragement. Some individuals go for inpatient or outpatient rehab, where medical and professional help are available.
National organizations, such as the National Institute on Drug Abuse, list local resources. Getting family involved in therapy usually helps, too.
Role of Healthcare Professionals and Organizations
Doctors and healthcare providers play a huge part in prevention and treatment. Pharmacists and doctors give advice on using OTC drugs safely and warn about the potential for abuse.
They might recommend other treatments or help you track your medicine use. During recovery, they’ll set up a plan that could include counseling, regular check-ins, and follow-ups. They also often team up with addiction specialists at treatment centers for an effective and comprehensive recovery.
Frequently Asked Questions
Why Do People Misuse Prescription Drugs?
It’s usually for the mind-altering effects — getting high, relaxing, or trying to sleep. Some take bigger doses than they should or use the medicine in ways that aren’t safe, like crushing and snorting pills. Peer pressure can also lead to misuse.
Who Is Most at Risk for OTC Abuse?
Teens and young adults are more likely to abuse OTC drugs because they’re easy to get. The risk also goes up if someone has a history of addiction or mental health struggles.
How Do I Talk to My Teen About OTC Drug Abuse?
Start with an honest, low-pressure talk. Lay out the real dangers of misusing these drugs and answer questions as best you can.
You can also ask if they’ve heard about friends using commonly misused OTC drugs and what they think. Set clear boundaries, but keep the conversation open.
Is It Safe to Use Prescribed Drugs in Combination With Other Medications?
Mixing OTC and prescription drugs without checking with a doctor or pharmacist isn’t safe. Some combinations can cause bad side effects or make the meds less effective.
Final Thoughts
Abuse of over-the-counter drugs is more common than you think. These medicines are easy to buy, so you have to be careful about how you use them.
Always read the label. Follow the directions, even if you think you know better.
If you notice any changes in your health or mood after taking an OTC medicine, talk to your doctor or pharmacist. They can help you avoid unwanted side effects or accidental misuse.
Most problems with these drugs happen when people take too large amounts or use them for reasons the label never intended.
Ways to stay safe with OTC drugs:
- Only use medicines for their approved purpose
- Don’t take more than the recommended dose
- Keep them out of reach of children
- If you have questions, ask a healthcare professional.
Struggling with OTC Drug Misuse? Guiding Road Can Help
If you or someone you love is caught in the cycle of over-the-counter drug misuse, you’re not alone. With Guiding Road Recovery Center, real help is within reach. We offer compassionate, evidence-based treatment designed to help struggling individuals reclaim their lives.
We understand how OTC drug abuse can sneak up quietly. Our team is here to support you with personalized care that treats both the symptoms and the root causes.
Call us today for a confidential conversation, or reach out online to start your path toward healing.
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Bobby Boykin, MS, LASAC, CRS
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