Important Safety Information

Possible Side Effects

Like all medicines, these tablets can cause side effects, although not everybody gets them.

The most serious side effect is a condition where you breathe more slowly or weakly than expected (respiratory depression). Tell your doctor immediately if this happens to you.

All medicines can cause allergic reactions, although serious allergic reactions are rare. Tell your doctor immediately if you get any sudden wheeziness, difficulties in breathing, swelling of the eyelids, face or lips, rash or itching especially those covering your whole body.

This table lists the most common side effects. To find out about less common side effects read section 4 of the package leaflet that comes with your medicine.

Very common

(may affect more than 1 in 10 people)

  • Constipation
  • Feeling or being sick
  • Drowsiness
  • Dizziness
  • Headache
  • Itchy skin

Common

(may affect up to 1 in 10 people)

  • Dry mouth
  • Loss of appetite
  • Indigestion
  • Abdominal pain/discomfort
  • Diarrhoea
  • Confusion
  • Depression
  • Unusual weakness
  • Shaking
  • Lack of energy
  • Tiredness
  • Anxiety
  • Nervousness
  • Difficulty sleeping
  • Abnormal thoughts or dreams
  • Difficulty breathing/ wheezing
  • Shortness of breath
  • Decreased cough reflex
  • Rash
  • Sweating

If you experience any side effects, talk to your doctor, pharmacist or nurse. This includes any side effects not listed in the package leaflet. You can also report side effects directly via the Yellow Card Scheme at https://yellowcard.mhra.gov.uk/. By reporting side effects, you can help provide more information on the safety of this medicine.

Adverse events should also be to reported to Wockhardt UK Ltd (01978 661261 / drug.safety@wockhardt.co.uk)