Amitriptyline is a tricyclic antidepressant. Chlordiazepoxide is a benzodiazepine (ben-zoe-dye-AZE-eh-peen).

Amitriptyline and chlordiazepoxide is a combination medicine used to treat moderate to severe depression and anxiety.

Amitriptyline and chlordiazepoxide may also be used for purposes not listed in this medication guide.

You should not use this medicine if you are allergic to amitriptyline or chlordiazepoxide, or:

• if you recently had a heart attack;
• if you are allergic to any antidepressant like amitriptyline (clomipramine, desipramine, doxepin, imipramine, nortriptyline, protriptyline, trimipramine); or
• if you are allergic to Valium or other medicines like chlordiazepoxide (alprazolam, diazepam, lorazepam, midazolam, triazolam, Xanax, Ativan, Tranxene, and others).

Do not use amitriptyline and chlordiazepoxide if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Tell your doctor if you have used an "SSRI" antidepressant in the past 5 weeks, such as citalopram, escitalopram, fluoxetine (Prozac), fluvoxamine, paroxetine, sertraline (Zoloft), trazodone, or vilazodone.

Tell your doctor if you have ever had:

• depression or bipolar disorder (manic depression);
• suicidal thoughts or actions;
• drug or alcohol addiction;
• heart disease;
• a heart attack, stroke, or seizures;
• liver or kidney disease;
• a thyroid disorder;
• problems with urination;
• glaucoma; or
• if you are receiving electroshock treatment.

Some young people have thoughts about suicide when first taking an antidepressant. Your doctor should check your progress at regular visits. Your family or other caregivers should also be alert to changes in your mood or symptoms.

Tell your doctor if you are pregnant or plan to become pregnant. Amitriptyline and chlordiazepoxide may harm an unborn baby. Avoid taking this medicine during the first trimester of pregnancy.

If you use amitriptyline and chlordiazepoxide while you are pregnant, your baby could become dependent on the drug. This can cause life-threatening withdrawal symptoms in the baby after it is born. Babies born dependent on habit-forming medicine may need medical treatment for several weeks.

It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.

Do not give this medicine to a child without medical advice.

Use Amitriptyline And Chlordiazepoxide (Limbitrol) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Amitriptyline and chlordiazepoxide can slow or stop your breathing, especially if you have recently used an opioid medication, alcohol, or other drugs that can slow your breathing. A person caring for you should seek emergency medical attention if you have weak or shallow breathing, if you are hard to wake up, or if you stop breathing.

Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.

Call your doctor at once if you have:

• severe constipation;
• confusion, hallucinations, unusual thoughts or behavior;
• chest pain or heavy feeling, pain spreading to the jaw or shoulder;
• pounding heartbeats or fluttering in your chest;
• a light-headed feeling, like you might pass out; or
• little or no urination.

The sedative effects of this medicine may last longer in older adults. Accidental falls are common in elderly patients who take benzodiazepines. Use caution to avoid falling or accidental injury.

Common side effects may include:

• dizziness, drowsiness;
• blurred vision;
• dry mouth; or
• constipation, bloating.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Do not drink alcohol. Dangerous side effects or death could occur.

Avoid driving or hazardous activity until you know how this medicine will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries.