The use of amitriptyline can lead to various side effects in some individuals.

Common mild side effects of amitriptyline use include:

• Drowsiness
  
• Dizziness
  
• Nausea
  
• Vomiting
  
• Constipation
  
• Difficulty with urination
  
• Sweating
  
• Weakness/ fatigue
  
• Headaches
  
• Blurry vision
  
• Changes in appetite
  
• Weight gain/ weight loss
  
• Dry mouth
  
• Tremor
  
• Sexual dysfunction (in men and women)
  
• Difficulty concentrating
  
  

More severe side effects include:

• Chest pain
  
• Changes in heartbeat
  
• Dizziness
  
• Fainting
  
• Low blood pressure upon standing
  
• Difficulty with speech
  
• Skin rash
  
• Hives
  
• Swelling
  
• Muscle spasms
  
• Seizures
  
• Changes in vision
  
• Hallucinations and confusion
  
• Extreme changes in mood
  
• Unusual bleeding or bruising
  
  

If you experience any severe or concerning side effects while taking amitriptyline, contact your healthcare provider right away.

Inform your healthcare provider about any existing medical conditions, allergies, or other medications you are taking before starting treatment with quetiapine. This includes prescription drugs, over-the-counter medications, and dietary supplements, as they may interact with quetiapine.

Tell your provider if you are taking these medications or supplements:

• Other antidepressant medication (specifically MAO inhibitors or SSRIs)
  
• OTC allergy medication
  
• Cimetidine
  
  

You should also mention medical conditions such as:

• Heart attack
  
• Heart disease
  
• Stroke
  
• Seizures
  
• Mental illnesses (like bipolar disorder or schizophrenia)
  
• Diabetes
  
• Glaucoma
  
• Difficulty with urination
  
• Kidney disease
  
• Liver disease
  
  

If you are pregnant, planning to become pregnant, or breastfeeding, discuss the potential risks and benefits of using amitriptyline with your healthcare provider.

Take amitriptyline exactly as prescribed by your healthcare provider. Do not exceed the recommended dose or duration of treatment.

Your provider may direct you to avoid alcohol while taking amitriptyline, as it can increase the risk of side effects.

Amitriptyline can cause drowsiness. Do not drive or operate machinery until you know how this medication affects you.

Complete the full course of treatment, even if you feel better, to ensure the medication's effectiveness in managing your symptoms.

In case of an amitriptyline overdose, seek medical attention immediately. Symptoms of overdose may include severe drowsiness, confusion, hallucinations, rapid heartbeat, seizures, or fainting. If you suspect an overdose, contact the poison control helpline at 1-800-222-1222 or call emergency services.