• Allergic reaction

  • Low blood pressure (hypotension)

  • Arrhythmia (abnormal heart rhythm)

  • Palpitations (pounding or galloping heartbeat)

  • Dizziness or lightheadedness

  • Fainting (syncope)

  • Headache

  • Increased sensitivity to sunlight (photosensitivity), causing severe sunburn or rash

  • Drowsiness, weakness or fatigue

  • Unusual bleeding

  • Back or joint pain

  • Abdominal discomfort, nausea, diarrhea

  • Unusual skin appearance (rash, blue tinge, or a yellow tinge called jaundice)

  • Shallow, dry cough (especially with ACE inhibitors)

  • Edema (swelling) in the legs

  • Impotence

  • Depression

  • Constipation