On public holidays and on weekends for urgent medical problems make an appeal to the general physician on guard.
You can reach the doctor using the central phone numbers:

• Phone nr. 02 201 22 22 (medical guard services for general physiciant and doctors' on duty in the medical guard centre, on duty 24 hours per day and 7 days a week - Medical guard services Brussels)
• Phone nr. 02 242 43 44 (medical guard services for general physiciants, on duty only in the weekend (wachtdienst huisartsen, enkel in het weekend bereikbaar - General Physicians Circuit Brussels).

Call 112 in life treathening situations.