Alertex Side Effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.
Patients must be advised to inform the doctor immediately and stop taking ALERTEX if they experience: swelling of the face, lips, tongue or throat and difficulty breathing, as these may be signs of a serious allergic reaction.
The following undesirable effects have been reported in clinical trials, with an incidence similar to those observed in patients who did not receive the drug (placebo).
Common side effects (may affect up to 1 in 10 people): headache; drowsiness; feeling sick (nausea); dizziness.
Uncommon side effects (may affect up to 1 in 100 people): tiredness; sleepiness.
Additional side effects (frequency not known: cannot be estimated from the available data) which may occur are: difficulty sleeping (insomnia); sleeping disorders; bad dreams; nervousness; fast or irregular heart beat; diarrhoea; skin rash and itching; hives; serious allergic reactions which can cause swelling of the face, lips, tongue or throat, flushing, chest tightness, and difficulty breathing.
Reporting of side effects: Patients must be advised to talk to the doctor, pharmacist or nurse if they get any side effects. This includes any possible side effects not listed in this monograph.
Reporting side effects can help provide more information on the safety of this medicine.