Detoxification is a crucial first step in recovery for individuals struggling with substance use disorders. Addiction is recognized as a chronic disease that impacts not only the individual but also their family, requiring comprehensive treatment that addresses both biological and psychological aspects. During drug detox, the body eliminates drugs, which often triggers various withdrawal symptoms. 

Among these, fever and chills are common and can be particularly uncomfortable. This article explores the causes, duration, and management of detox-related fever and chills, helping individuals and their loved ones prepare for this critical stage of recovery.

Key Takeaways

  • Detox fever and chills are common withdrawal symptoms caused by the body’s adjustment to the absence of substances, disrupted thermoregulation, immune responses, and dehydration.
  • Symptom severity and duration vary depending on the type of drug, length of use, and individual health, highlighting the importance of personalized medical supervision.
  • Professional guidance is crucial for safe detox—medical monitoring, hydration therapy, supportive care, and counseling help manage both physical and psychological symptoms effectively.

What is a Drug Detox?

Question: What is a Drug Detox? 

Answer: Drug detox, or detoxification, is the medically supervised process of removing addictive substances from the body. During detox, the body adjusts to the absence of drugs or alcohol, often triggering withdrawal symptoms such as fever, chills, nausea, anxiety, and cravings.

Detox is the critical first step in addiction recovery, aiming to stabilize the individual physically and psychologically, manage withdrawal safely, and prepare them for ongoing treatment. Professional supervision ensures that detox is conducted safely, reducing risks of severe complications and supporting long-term recovery.

What Are Drug Detox Symptoms?

Drug detox symptoms can vary based on the substance used, duration of use, and individual health. They typically include:

  • Physical Symptoms: Nausea, vomiting, diarrhea, muscle aches, fatigue, sweating, fever, chills, and general discomfort.
  • Psychological Symptoms: Anxiety, depression, irritability, insomnia, and strong cravings.
  • Cognitive Symptoms: Confusion, difficulty concentrating, and memory problems.

Symptoms can range from mild discomfort to severe reactions requiring medical supervision. Understanding detox symptoms, especially fever and chills, can help manage expectations and ensure proper care, as patients benefit from professional monitoring and support to address their unique needs and ensure safety throughout the detox process.

Why Do Fever and Chills Occur During Detox?

Fever and chills occur as the body reacts to the absence of substances it has grown dependent on. Several factors contribute to these symptoms:

  • Immune Response: Withdrawal stresses the body, triggering inflammation and fever as the body attempts to heal.
  • Thermoregulation Changes: Long-term substance use can disrupt the body’s temperature control. During detox, the body may struggle to maintain normal temperature.
  • Direct Withdrawal Effects: Certain substances, including opioids and alcohol, directly cause fever and chills as the body adjusts.
  • Dehydration: Vomiting, diarrhea, or excessive sweating during detox can worsen fever and chills.

Chills often accompany fever due to fluctuating body temperatures and emotional distress, such as anxiety or irritability. Clinical supervision during drug detox ensures these symptoms are managed safely and effectively, providing professional support and evidence-based care.

Substances That Commonly Cause Fever and Chills

  • Opioids: Heroin, morphine, and prescription painkillers often cause flu-like symptoms.
  • Alcohol: Withdrawal can lead to fever, chills, and life-threatening complications like delirium tremens (DTs). Specialized alcohol treatment programs are available to manage these symptoms safely.
  • Benzodiazepines: Drugs like Xanax and Valium can cause fever and chills during withdrawal.
  • Stimulants: Cocaine or methamphetamine may cause temperature fluctuations and chills.
  • Cannabis: While milder, some users may experience chills or a slight fever.

Duration of Fever and Chills

The length of these symptoms depends on the substance and individual factors:

  • Opioids: Several days, peaking between days 2–4 of withdrawal.
  • Alcohol: May last a week or longer, especially with DTs risk.
  • Benzodiazepines: Symptoms can persist for days to weeks.
  • Stimulants: Usually resolve within a week.

Managing Detox Fever and Chills

While uncomfortable, these symptoms can be managed with proper care:

  • Stay Hydrated: Fluids help regulate temperature and support recovery.
  • Rest: Adequate sleep promotes healing.
  • Cool Compresses: Applying a cool cloth can help reduce fever.
  • Comfortable Clothing: Light layers help maintain body comfort.
  • Monitor Symptoms: Track temperature and physical changes.
  • Over-the-Counter Medications: Acetaminophen or ibuprofen may ease fever—consult a healthcare professional first.
  • Emotional Support: Lean on friends, family, or support groups for guidance.

Supportive care during drug detox can take the form of individual counseling, group therapy, or other therapeutic modalities tailored to the needs of those in detox.

When to Seek Medical Attention

Seek immediate medical help if any of the following occur:

  • Fever above 101°F (38.3°C) that persists or spikes
  • Severe chills with confusion or disorientation
  • Intense pain that cannot be managed
  • Breathing difficulties or chest pain
  • Severe psychological symptoms, including suicidal thoughts or hallucinations

Medical supervision ensures safety and appropriate intervention during detox. In severe cases, patients may require stabilization in a hospital setting before transitioning to a specialized drug detox or treatment program.

Medications and Therapies for Relief

  • Antipyretics: Reduce fever and discomfort (acetaminophen, ibuprofen).
  • IV Hydration: Addresses dehydration and supports temperature regulation.
  • Supportive Care: Counseling and group therapy for psychological symptoms.
  • Withdrawal Medications: Buprenorphine, methadone, or others may ease symptoms. Medication-assisted approaches combine these medications with counseling and behavioral therapies to improve outcomes during drug detox.
  • Monitoring: Professional supervision ensures timely intervention if severe symptoms arise.

The Detox Process

Drug Detox Symptoms: What to Know About Fever and ChillsDetox involves three main stages:

  1. Evaluation: Assessing addiction history, physical health, and mental well-being to create a tailored plan.
  2. Stabilization: Managing withdrawal symptoms with medical support to ensure safety and comfort.
  3. Fostering Entry into Treatment: Preparing for ongoing recovery through therapy, resources, and support networks.

Treatment centers offer detox as the essential first step in the recovery process. They also offer inpatient care for those who need intensive support, and provide partial hospitalization and outpatient drug programs as part of a comprehensive continuum of care. These facilities provide individualized treatment programs tailored to each person’s unique needs, supporting long-term recovery.

Detox may be challenging, but with professional guidance, it becomes safer and more effective.

Psychological Effects of Detox

Detox also affects mental health:

  • Cravings: Strong urges to use the substance again.
  • Emotional Instability: Mood swings, irritability, anxiety, and depression. Individuals with bipolar disorder may experience unique challenges during detox and require specialized support, as bipolar disorder is one of several mental health conditions that can be impacted during this process.
  • Cognitive Effects: Slower reflexes, confusion, or severe symptoms like seizures or hallucinations.

Comprehensive support, including counseling and medical supervision, helps manage these effects.

Importance of Professional Supervision

Professional supervision is critical for:

  • Safety: Monitoring vital signs and withdrawal symptoms.
  • Immediate Intervention: Addressing severe complications promptly.
  • Emotional Support: Providing guidance and coping strategies.
  • Access to Resources: Therapies, counseling, and ongoing recovery programs.
  • Tailored Care: Individualized detox plans improve recovery outcomes.

Aftercare and Support

At First City Recovery Center, we recognize that recovery from substance use disorders and mental health challenges doesn’t end with detox—it’s a lifelong journey that requires ongoing care and support. Our addiction treatment center in Kokomo, Indiana, is dedicated to providing individualized treatment programs that address the unique needs of each client, ensuring a strong foundation for long-term recovery.

Our comprehensive aftercare and support services are designed to help clients transition smoothly from medical detox and inpatient care to independent, healthy living. We offer a full continuum of care, including:

  • Intensive Outpatient Program (IOP): Our intensive outpatient program provides a structured and supportive environment where clients can continue their recovery while balancing daily responsibilities. This program is ideal for those stepping down from inpatient care or seeking flexible outpatient services.
  • Group Therapy: We believe in the power of community. Group therapy sessions at First City Recovery Center offer a safe space for clients to share their experiences, gain insight, and build connections with others who understand the challenges of recovery.
  • Visible Recovery: Our Visible Recovery program keeps alumni engaged and supported, fostering accountability and a sense of belonging that is vital for achieving long-term recovery.
  • Case Management: Our dedicated case managers work closely with clients to develop tailor-made care plans, assist with housing, employment, and other life transitions, and ensure ongoing support throughout the recovery process.
  • Family Support: Recovery is a journey for both clients and their loved ones. We offer family programs to educate, support, and involve families, helping to rebuild trust and strengthen relationships.

First City Recovery Center also provides specialized treatment programs for dual diagnosis, eating disorders, and domestic violence, ensuring that all aspects of a client’s health and well-being are addressed. Our team of experienced professionals is committed to helping clients overcome common symptoms of substance use disorders and co-occurring mental health conditions such as anxiety, depression, and post traumatic stress disorder (PTSD).

Located at 317 W Jefferson St, Kokomo, Indiana, our facility offers detox, inpatient, and outpatient services in a supportive environment that promotes healing and personal growth. If you or a loved one is seeking addiction treatment, mental health treatment, or support for substance use, our team is here to help you determine the best medical detox program for your needs.

Take the first step toward a healthier, more fulfilling life. Contact First City Recovery Center in Kokomo today to learn more about our individualized treatment programs and how we can support you on your journey to visible recovery and long-term wellness.

Seeking Treatment at First City Recovery Center

First City Recovery Center in Kokomo, Indiana, offers:

  • 24/7 medical supervision
  • Personalized detox plans
  • Counseling and therapeutic support
  • Aftercare programs to prevent relapse

Before starting treatment, we encourage you to verify your insurance benefits, as insurance plans may change. Our team can assist you with insurance benefit verification to make the process easier. At First City Recovery Center, our goal is to help each person achieve long-term recovery and become healthy members of their communities. Every person receives individualized care and ongoing support throughout their journey.

Professional support ensures a safer and more successful detox experience. Begin your journey to recovery with First City Recovery Center today.

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Drug Detox Symptoms: What to Know About Fever and Chills

Jan 2, 2026

Drug Addiction

Detoxification is a crucial first step in recovery for individuals struggling with substance use disorders. Addiction is recognized as a chronic disease that impacts not only the individual but also their family, requiring comprehensive treatment that addresses both biological and psychological aspects. During drug detox, the body eliminates drugs, which often triggers various withdrawal symptoms. 

Among these, fever and chills are common and can be particularly uncomfortable. This article explores the causes, duration, and management of detox-related fever and chills, helping individuals and their loved ones prepare for this critical stage of recovery.

Key Takeaways

  • Detox fever and chills are common withdrawal symptoms caused by the body’s adjustment to the absence of substances, disrupted thermoregulation, immune responses, and dehydration.
  • Symptom severity and duration vary depending on the type of drug, length of use, and individual health, highlighting the importance of personalized medical supervision.
  • Professional guidance is crucial for safe detox—medical monitoring, hydration therapy, supportive care, and counseling help manage both physical and psychological symptoms effectively.

What is a Drug Detox?

Question: What is a Drug Detox? 

Answer: Drug detox, or detoxification, is the medically supervised process of removing addictive substances from the body. During detox, the body adjusts to the absence of drugs or alcohol, often triggering withdrawal symptoms such as fever, chills, nausea, anxiety, and cravings.

Detox is the critical first step in addiction recovery, aiming to stabilize the individual physically and psychologically, manage withdrawal safely, and prepare them for ongoing treatment. Professional supervision ensures that detox is conducted safely, reducing risks of severe complications and supporting long-term recovery.

What Are Drug Detox Symptoms?

Drug detox symptoms can vary based on the substance used, duration of use, and individual health. They typically include:

  • Physical Symptoms: Nausea, vomiting, diarrhea, muscle aches, fatigue, sweating, fever, chills, and general discomfort.
  • Psychological Symptoms: Anxiety, depression, irritability, insomnia, and strong cravings.
  • Cognitive Symptoms: Confusion, difficulty concentrating, and memory problems.

Symptoms can range from mild discomfort to severe reactions requiring medical supervision. Understanding detox symptoms, especially fever and chills, can help manage expectations and ensure proper care, as patients benefit from professional monitoring and support to address their unique needs and ensure safety throughout the detox process.

Why Do Fever and Chills Occur During Detox?

Fever and chills occur as the body reacts to the absence of substances it has grown dependent on. Several factors contribute to these symptoms:

  • Immune Response: Withdrawal stresses the body, triggering inflammation and fever as the body attempts to heal.
  • Thermoregulation Changes: Long-term substance use can disrupt the body’s temperature control. During detox, the body may struggle to maintain normal temperature.
  • Direct Withdrawal Effects: Certain substances, including opioids and alcohol, directly cause fever and chills as the body adjusts.
  • Dehydration: Vomiting, diarrhea, or excessive sweating during detox can worsen fever and chills.

Chills often accompany fever due to fluctuating body temperatures and emotional distress, such as anxiety or irritability. Clinical supervision during drug detox ensures these symptoms are managed safely and effectively, providing professional support and evidence-based care.

Substances That Commonly Cause Fever and Chills

  • Opioids: Heroin, morphine, and prescription painkillers often cause flu-like symptoms.
  • Alcohol: Withdrawal can lead to fever, chills, and life-threatening complications like delirium tremens (DTs). Specialized alcohol treatment programs are available to manage these symptoms safely.
  • Benzodiazepines: Drugs like Xanax and Valium can cause fever and chills during withdrawal.
  • Stimulants: Cocaine or methamphetamine may cause temperature fluctuations and chills.
  • Cannabis: While milder, some users may experience chills or a slight fever.

Duration of Fever and Chills

The length of these symptoms depends on the substance and individual factors:

  • Opioids: Several days, peaking between days 2–4 of withdrawal.
  • Alcohol: May last a week or longer, especially with DTs risk.
  • Benzodiazepines: Symptoms can persist for days to weeks.
  • Stimulants: Usually resolve within a week.

Managing Detox Fever and Chills

While uncomfortable, these symptoms can be managed with proper care:

  • Stay Hydrated: Fluids help regulate temperature and support recovery.
  • Rest: Adequate sleep promotes healing.
  • Cool Compresses: Applying a cool cloth can help reduce fever.
  • Comfortable Clothing: Light layers help maintain body comfort.
  • Monitor Symptoms: Track temperature and physical changes.
  • Over-the-Counter Medications: Acetaminophen or ibuprofen may ease fever—consult a healthcare professional first.
  • Emotional Support: Lean on friends, family, or support groups for guidance.

Supportive care during drug detox can take the form of individual counseling, group therapy, or other therapeutic modalities tailored to the needs of those in detox.

When to Seek Medical Attention

Seek immediate medical help if any of the following occur:

  • Fever above 101°F (38.3°C) that persists or spikes
  • Severe chills with confusion or disorientation
  • Intense pain that cannot be managed
  • Breathing difficulties or chest pain
  • Severe psychological symptoms, including suicidal thoughts or hallucinations

Medical supervision ensures safety and appropriate intervention during detox. In severe cases, patients may require stabilization in a hospital setting before transitioning to a specialized drug detox or treatment program.

Medications and Therapies for Relief

  • Antipyretics: Reduce fever and discomfort (acetaminophen, ibuprofen).
  • IV Hydration: Addresses dehydration and supports temperature regulation.
  • Supportive Care: Counseling and group therapy for psychological symptoms.
  • Withdrawal Medications: Buprenorphine, methadone, or others may ease symptoms. Medication-assisted approaches combine these medications with counseling and behavioral therapies to improve outcomes during drug detox.
  • Monitoring: Professional supervision ensures timely intervention if severe symptoms arise.

The Detox Process

Drug Detox Symptoms: What to Know About Fever and ChillsDetox involves three main stages:

  1. Evaluation: Assessing addiction history, physical health, and mental well-being to create a tailored plan.
  2. Stabilization: Managing withdrawal symptoms with medical support to ensure safety and comfort.
  3. Fostering Entry into Treatment: Preparing for ongoing recovery through therapy, resources, and support networks.

Treatment centers offer detox as the essential first step in the recovery process. They also offer inpatient care for those who need intensive support, and provide partial hospitalization and outpatient drug programs as part of a comprehensive continuum of care. These facilities provide individualized treatment programs tailored to each person's unique needs, supporting long-term recovery.

Detox may be challenging, but with professional guidance, it becomes safer and more effective.

Psychological Effects of Detox

Detox also affects mental health:

  • Cravings: Strong urges to use the substance again.
  • Emotional Instability: Mood swings, irritability, anxiety, and depression. Individuals with bipolar disorder may experience unique challenges during detox and require specialized support, as bipolar disorder is one of several mental health conditions that can be impacted during this process.
  • Cognitive Effects: Slower reflexes, confusion, or severe symptoms like seizures or hallucinations.

Comprehensive support, including counseling and medical supervision, helps manage these effects.

Importance of Professional Supervision

Professional supervision is critical for:

  • Safety: Monitoring vital signs and withdrawal symptoms.
  • Immediate Intervention: Addressing severe complications promptly.
  • Emotional Support: Providing guidance and coping strategies.
  • Access to Resources: Therapies, counseling, and ongoing recovery programs.
  • Tailored Care: Individualized detox plans improve recovery outcomes.

Aftercare and Support

At First City Recovery Center, we recognize that recovery from substance use disorders and mental health challenges doesn’t end with detox—it’s a lifelong journey that requires ongoing care and support. Our addiction treatment center in Kokomo, Indiana, is dedicated to providing individualized treatment programs that address the unique needs of each client, ensuring a strong foundation for long-term recovery.

Our comprehensive aftercare and support services are designed to help clients transition smoothly from medical detox and inpatient care to independent, healthy living. We offer a full continuum of care, including:

  • Intensive Outpatient Program (IOP): Our intensive outpatient program provides a structured and supportive environment where clients can continue their recovery while balancing daily responsibilities. This program is ideal for those stepping down from inpatient care or seeking flexible outpatient services.
  • Group Therapy: We believe in the power of community. Group therapy sessions at First City Recovery Center offer a safe space for clients to share their experiences, gain insight, and build connections with others who understand the challenges of recovery.
  • Visible Recovery: Our Visible Recovery program keeps alumni engaged and supported, fostering accountability and a sense of belonging that is vital for achieving long-term recovery.
  • Case Management: Our dedicated case managers work closely with clients to develop tailor-made care plans, assist with housing, employment, and other life transitions, and ensure ongoing support throughout the recovery process.
  • Family Support: Recovery is a journey for both clients and their loved ones. We offer family programs to educate, support, and involve families, helping to rebuild trust and strengthen relationships.

First City Recovery Center also provides specialized treatment programs for dual diagnosis, eating disorders, and domestic violence, ensuring that all aspects of a client’s health and well-being are addressed. Our team of experienced professionals is committed to helping clients overcome common symptoms of substance use disorders and co-occurring mental health conditions such as anxiety, depression, and post traumatic stress disorder (PTSD).

Located at 317 W Jefferson St, Kokomo, Indiana, our facility offers detox, inpatient, and outpatient services in a supportive environment that promotes healing and personal growth. If you or a loved one is seeking addiction treatment, mental health treatment, or support for substance use, our team is here to help you determine the best medical detox program for your needs.

Take the first step toward a healthier, more fulfilling life. Contact First City Recovery Center in Kokomo today to learn more about our individualized treatment programs and how we can support you on your journey to visible recovery and long-term wellness.

Seeking Treatment at First City Recovery Center

First City Recovery Center in Kokomo, Indiana, offers:

  • 24/7 medical supervision
  • Personalized detox plans
  • Counseling and therapeutic support
  • Aftercare programs to prevent relapse

Before starting treatment, we encourage you to verify your insurance benefits, as insurance plans may change. Our team can assist you with insurance benefit verification to make the process easier. At First City Recovery Center, our goal is to help each person achieve long-term recovery and become healthy members of their communities. Every person receives individualized care and ongoing support throughout their journey.

Professional support ensures a safer and more successful detox experience. Begin your journey to recovery with First City Recovery Center today.

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