What are the side effects of minocycline hydrochloride?

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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

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.