Drowsiness
Constipation
Nausea and vomiting
Headache
Rash or itching
Difficulty in passing urine (urinary retention)
Dry mouth
Mood changes
Blurred vision
Sweating
Decreased sex drive
Flushing
Low blood pressure (hypotension)
Dizziness
Confusion
Hallucinations
Pins and needles sensations
Slow, shallow breathing (respiratory depression)
The side effects listed above may not include all of the sideeffects reported by the drug'smanufacturer.For moreinformation about any other possible risks associated with this medicine,please read the information provided with the medicine or consult your doctoror pharmacist.

How can this medicine affect other medicines?
It is important to tell your doctor or pharmacist what medicinesyou are already taking, including those bought without a prescription andherbal medicines, before you take this medicine. Similarly, check with yourdoctor or pharmacist before taking any new medicines while taking this one, toensure that thecombination is safe.

There may be an increased risk of drowsiness and sedation ifthis medicine is taken with any of the following (which can also causedrowsiness):

alcohol
antipsychotics, eg haloperidol
barbiturates, eg phenobarbital, amobarbital
benzodiazepines, eg diazepam, temazepam
other opioid painkillers, eg morphine, codeine
sedating antihistamines, eg chlorphenamine, hydroxyzine, promethazine
sleeping tablets, eg zopiclone
tricyclic antidepressants, eg amitriptyline.
This medicine should be used with caution in people taking amonoamine oxidase inhibitor antidepressant (MAOI), for example phenelzine,tranylcypromine or isocarboxazid. Ask your doctor or pharmacist for advice ifyou are taking one of these medicines, or you have taken one in the last twoweeks.

Other medicines containing the same active ingredient
DHC continus   

Dihydrocodeine tablets, oral solution and injection are alsoavailable without a brand name, ie as thegeneric medicine.