Like all medicines, Defal can cause side effects, although not everybody gets them.
The side-effects of Defal, which have mainly been observed during long-term treatment, are as follows: Gastrointestinal disorders: gastrointestinal ulcer.
Nervous system disorders: headache, dizziness, restlessness, sleep disorders.
Skin and subcutaneous tissue disorders: healing problems, skin damage.
Cardiac and vascular disorders: increased blood pressure (hypertension), water retention in tissues (oedema).
Endocrine disorders: weight gain, worsening of diabetes mellitus, disappearance of menstruation (amenorrhea).
Musculoskeletal and connective tissue and bone disorders: muscle weakness, osteoporosis.
Eye disorders: eye problems.
With a frequency None known (the frequency can not be estimated with the data available): Blurred vision.
The use of Defal along with other medicines that cause muscle relaxation, especially when high doses are administered for long periods of time, may produce severe muscle disorders. If the patient gets any side effects, he/she should talk to the doctor or pharmacist. This includes any possible side effects not listed in this monograph.