Problem 16 - Chemistry in 30 days

Question

Which of the following is used for inducing sleep? (a) Paracetamol (b) Chloroquine (c) Bithional (d) Barbituric acid derivatives

Step-by-Step Solution

Answer

Barbituric acid derivatives are used for inducing sleep.

Step 1: Understanding the Options

The question asks which of the given options is used for inducing sleep. Let's examine the function of each option: 1. Paracetamol is primarily used as a pain reliever and fever reducer. 2. Chloroquine is an anti-malarial drug, not associated with inducing sleep. 3. Bithional is used as an antiseptic and is not related to sleep induction. 4. Barbituric acid derivatives are known to be central nervous system depressants and have historically been used as sedatives and sleep aids.

Step 2: Identifying the Correct Option

From the analysis, Paracetamol, Chloroquine, and Bithional do not have sleep-inducing properties. However, Barbituric acid derivatives are known for their use as sedatives, meaning they help induce sleep. Therefore, the correct answer is Barbituric acid derivatives.

Key Concepts

Sedatives

Sedatives are a class of drugs that calm the central nervous system. They help reduce irritability and excitement, and in higher doses, induce sleep. These medications are often used to treat anxiety, insomnia, and sometimes seizures.

• They work by enhancing the effects of neurotransmitters in the brain that are responsible for calming neural activity.
• Over time, people can develop a tolerance, meaning they need larger doses to achieve the same effect.
• The use of sedatives must be carefully monitored by a healthcare professional to prevent addiction or dependence.

Sedatives are crucial in managing acute stress and anxiety-related disorders. However, due to their potential for abuse, they should be used with caution.

Central Nervous System Depressants

Central nervous system (CNS) depressants are a group of medications that slow down brain activity. They can be used for their calming effects, to induce sleep, and to alleviate anxiety.

• CNS depressants include benzodiazepines, barbiturates, and non-benzodiazepine sleep medications.
• They work by increasing levels of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) in the brain.
• These drugs are effective but must be prescribed and taken carefully to avoid addiction and overdose.

CNS depressants are valuable in treating conditions like insomnia and anxiety disorders. However, their use must be balanced with their potential downsides, such as the risk of dependence.

Barbituric Acid Derivatives

Barbituric acid derivatives are compounds derived from barbituric acid, a core component used in various medications. Historically, these derivatives were commonly used as sedatives and for inducing sleep due to their CNS depressant properties.

• They were popular in the early and mid-20th century for treating insomnia, anxiety, and seizures.
• Barbiturates have since been replaced largely by safer alternatives like benzodiazepines because of the high risk of overdose and dependency.
• Despite their decline in use, they are still utilized in certain medical and surgical settings under strict control.

Understanding barbituric acid derivatives helps appreciate the evolution of sedative and hypnotic medications, highlighting the importance of safety in pharmaceutical sciences.