Amitriptyline is a medication used to treat depression, but it can also cause side effects. The following are some of the bad side effects of amitriptyline:
- Abdominal or stomach pain
- Agitation
- Black, tarry stools
- Bleeding gums
- Blood in urine or stools
- Blurred vision
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Change in consciousness
- Changes in patterns and rhythms of speech
- Chest pain or discomfort
- Chills
- Cold sweats
- Coma
- Confusion
- Confusion about identity, place, and time
- Constipation
- Dizziness
- Drowsiness
- Dry mouth
- Fainting
- Hallucinating (seeing things or hearing voices that do not exist)
- Headaches
- Heart rhythm changes— fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
- Jaw, neck, and back muscle spasms
- Low blood pressure
- Low body temperature
- Muscle aches
- Muscle weakness
- Nausea
- Nightmares
- Rapid, pounding, or irregular heartbeat
- Seizures
- Severe skin rash or hives
- Sleepiness
- Swelling of the face and tongue
- Thoughts of suicide or self-harm, worsening mood, feelings of depression
- Uncontrollable shaking of a part of the body
- Unusual bleeding or bruising
- Unusually pale skin
- Upper right abdominal pain
- Vomiting of blood
- Weak or feeble pulse
- Weakness in arms, hands, legs, or feet
- Weight gain or loss
- Yellow eyes and skin
If any of these side effects occur, it is important to check with a doctor immediately.
