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3 types of medication that can lead to impaired driving charges

On Behalf of | May 27, 2025 | DWI Defense

There are a surprising number of situations that can lead to driving while intoxicated (DWI) charges. Under state law, anyone who drives with impaired ability is vulnerable to prosecution. Drivers are also at risk if they have an elevated blood alcohol concentration (BAC), regardless of how well they may drive.

Alcohol is not the only substance that can lead to DWI charges. The state can also prosecute people for DWI offenses related to drugs. Admissions of taking certain medications or failing a drug test after a crash or arrest could lead to a DWI charge. Certain types of medications are more likely to trigger legal scrutiny and prosecution than others. Obviously, being under the influence of a prohibited drug, such as heroin or methamphetamine, can lead to criminal charges.

What legal medications might put people at risk of a DWI charge?

Cold, cough and allergy drugs

Some of the most dangerous medications are available over the counter. The medications that people use to control their coughs, suppress allergic reactions and handle colds can make them drowsy and less alert. These medications affect reaction time and therefore make it harder for people to safely operate motor vehicles.

Pain relievers and muscle relaxants

People who experience chronic pain or significant muscle tension, possibly due to soft tissue injuries, often take prescription medication. They may rely on opioid pain relievers or muscle relaxants to manage their symptoms. Many people become acclimated to these medications and feel confident about handling their daily affairs while using medication. Unfortunately, the state can prosecute anyone who is under the influence of pain relievers or similar drugs that could affect their motor control and awareness in traffic.

Psychiatric medications

There are a number of drugs prescribed for mental health reasons that could lead to impaired driving charges. Benzodiazepines, a popular type of psychiatric medication, can affect awareness and cognitive function. Sleep aids are another type of medication that can be dangerous to consume before driving.

Unlike alcohol, which has a chemical limit enshrined in the law, medications do not have per se limits that apply. Any detectable amount of certain drugs can be an adequate reason for DWI charges. Discussing the situation that led to pending DWI allegations with a skilled legal team can help drivers plan a reasonable defense strategy. The right response can make all the difference for those accused of intoxication at the wheel.