What are the side effects of minocycline hydrochloride?


Common side effects of minocycline include:

  • diarrhea
  • upset stomach
  • vomiting
  • rectal or vaginal itching
  • vaginal discharge
  • swelling of the tongue
  • trouble swallowing
  • sores or white patches inside the mouth
  • lightheadedness
  • dizziness
  • drowsiness
  • blackened or furry tongue
  • skin color changes
  • sunburn
  • hearing loss
  • ringing in the ears
  • rectal or genital sores or swelling

Minocycline can have some serious side effects. Talk to your doctor right away if you experience any of these serious side effects of minocycline:

  • decreased or absent urination
  • darkened urine
  • yellowed or pale skin
  • confusion
  • weakness
  • fever
  • jaundice and decreased appetite
  • unusual or excessive weakness, bleeding and bruising
  • severe peeling, blistering and redness of the skin
  • flu-like symptoms
  • severe dizziness, blurred vision and headaches
  • pale stool
  • extreme fatigue
  • stiffness or swelling in the joints
  • throat sores
  • discomfort or pain in the mouth
  • rash
  • itching

Minocycline can cause allergic reactions in some people, though they are rare. Seek emergency medical treatment if you experience any of the symptoms of an allergic reaction:

  • hives
  • difficulty breathing
  • swelling of the lips, face, eyes, mouth, tongue or throat