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Common Side-effects

Following are the common side-effects of this medicine:

Infrequent and Rare Side-effects

Following are the infrequent and rare side-effects of this medicine:
  • a disorder characterized by bumps on the skin (erythema nodosum)
  • abnormal involuntary movements
  • acne
  • aggression
  • an abnormal increase in the number of white blood cells (leukocytosis)
  • an inflammatory disease that occurs when the immune system attacks its own tissues (lupus erythematosus-like syndrome)
  • blockage of arteries in the lungs due to a blood clot (pulmonary embolism)
  • change in pitch perception
  • circulatory collapse
  • diarrhea
  • double vision (diplopia)
  • excessive production of milk (galactorrhoea)
  • fatigue
  • folate deficiency
  • hearing disorder (hyperacusis)
  • hirsutism
  • inability of bone marrow to produce red blood cells (aplasia pure red cell)
  • increase in the number of immature red blood cells (reticulocytosis)
  • inflammatory liver disease (granulomatous liver disease)
  • involuntary movement of eyes (nystagmus)
  • large production of abnormal red blood cells by bone marrow (megaloblastic anaemia)
  • memory impairment
  • muscle weakness due to nerve damage (paresis)
  • muscular weakness
  • painful swelling and sores in the mouth (stomatitis)
  • red or purple discolored spots on the skin (purpura)
  • restlessness
  • ringing in the ears (tinnitus)
  • scaling of the skin due to pre-existing skin disorders, drugs, cancer, etc. (dermatitis exfoliative)
  • sedation
  • sexual disturbances/erectile dysfunction
  • shedding of nails (onychomadesis)
  • speech disorder (dysarthria)
  • stomach pain (abdominal pain)
  • vision problem (oculomotor disturbances)

Severe Side-effects

Following are the severe side-effects of this medicine:

Side-effects in Older Adults

Following are the side-effects of this medicine in elderly patients:
  • decreased heart function
  • decreased kidney function
  • decreased liver function

Mild Allergic Reactions

Following are the symptoms of mild allergic reactions to this medicine:

Serious Allergic Reactions

Following are the symptoms of serious allergic reactions to this medicine:
  • allergic reaction due to infections (erythema multiforme)
  • drug reaction due to infection (drug reaction with eosinophilia and systemic symptoms)
  • rare and serious skin reaction (Steven-Johnson's syndrome)
  • rash characterized by red areas on the skin (maculopapular eruptions)
  • serious and life-threatening allergic reaction
Contact the healthcare provider right away if you experience any of these symptoms.
If you experience side-effects or notice other side-effects not listed above, contact your doctor for medical advice. You may also report side-effects to your local food and drug administration authority. You can look up the drug authority contact information from the Drug Authority Finder at

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